Отзывы: Жидкая теплоизоляция, как утеплитель для дома

Жидкая теплоизоляция,  жидкий утеплитель, теплоизоляционная краска

— под такими названиями на строительном рынке предлагают составы, которые, по утверждению продавцов, при нанесении на стену могут служить для утепления дома или квартиры. Причем, тонкий слой краски толщиной в 1 мм., по их словам, может по теплосберегающим свойствам заменить 5 см. минеральной ваты или пенопласта.

Теплоизоляционная краска — это обман!?

Тонкий слой жидкой теплоизоляции на стене не принесет существенной экономии затрат на отопление, не приведет к заметному повышению температуры в доме, квартире.

 На строительном рынке многие продавцы назойливо предлагают купить теплоизоляционную краску. Чаще всего эту краску называют примерно так: жидкое керамическое тонкопленочное теплоизоляционное покрытие, или короче — жидкая теплоизоляция или жидкий утеплитель.

Теплоизоляционная краска представляет собой суспензию из керамических или стеклянных микросфер (полых или полнотелых) размером 10-50 мкм. перемешанных с акриловой краской. Слой краски после высыхания имеет толщину 0,3-0,5 мм. и состоит из нескольких слоев микросфер, связанных тонкой акриловой пленкой.

Продукт предлагают под разными торговыми названиями.

Продавцы утверждают, что эта краска разработана на основе модных теперь нанотехнологий для применения в космических проектах, и обладает исключительными свойствами. Слой краски толщиной 1 мм. по теплосберегающим свойствам якобы заменяет 50 мм. пенопласта.

Рекомендуют её для утепления всего, чего угодно. Могут даже показать сертификаты и другие документы. Внимательный и дотошный читатель не найдет в этих документах подтверждения выдающихся теплосберегающих свойств покрытия по сравнению с другими утеплителями.

Известно, что на планете Земля тепловая энергия путешествует с помощью трех физических процессов: теплопроводности, теплового излучения и конвекции.

Традиционные утеплители (минвата, пенополимеры), которые используют для тепловой защиты ограждающих конструкций зданий, имеют низкую теплопроводность.

Показателем теплопроводности служит коэффициент теплопроводности. Этот коэффициент равен количеству тепла, проходящего через образец материала толщиной 1 м, площадью 1 м² в течение 1 часа при разности температур образца в 1°С. Чем он больше, тем хуже теплоизоляционная способность материала.

Например, измеренная по стандартной методике теплопроводность жидкой теплоизоляции марки Mascoat (Made in USA) по данным производителя – всего 0,0698 Вт/(м*°К). Для сравнения, теплопроводность пенопласта, в зависимости от формы выпуска, варьируется от 0,037 до 0,043 Вт/(м*°К). Теплопроводность покрытия из жидкого утеплителя примерно в 1,5 раза выше, чем пенопласта.

Практика применения также не подтверждает чудесных теплосберегающих свойств жидкой теплоизоляции при утеплении стен, потолков и других строительных конструкций дома.

Тонкий слой жидкой теплоизоляции на стене не принесет существенной экономии затрат на отопление, не приведет к заметному повышению температуры в квартире.

Где выгодно использовать жидкую теплоизоляцию

В отличие от большинства теплоизоляционных материалов жидкие керамические теплоизоляционные покрытия эффективно работают в условиях низкой теплоотдачи с наружной поверхности. Теплоотдача — теплообмен (конвективный или лучистый) между поверхностью нагретого твердого тела и окружающей средой.

Теплоотдача с поверхности сильно зависит от того, с каким материалом соприкасается данная поверхность. Лучше, если таким материалом будет воздух. Кроме того, передача тепла излучением или конвекцией характерна для сильно нагретых поверхностей.

Это говорит о том, что покрытие из теплоизоляционной краски эффективно использовать в качестве финишного покрытия и для сильно нагретых поверхностей.

Жидкую керамическую теплоизоляцию рекомендуют применять для эффективной теплоизоляции «горячих» поверхностей с температурой до 200 ºС. Покрытие теплоизоляционной краской позволяет  снизить температуру поверхности до безопасной по санитарным нормам величины (до 45-55 ºС ).

На промышленных предприятиях жидкую теплоизоляцию так и используют — для теплоизоляции тепло и паропроводов, котлов, объектов энергетического назначения, резервуаров для хранения нефтепродуктов и других металлических конструкций. 

Попытки продавцов и производителей навязать покупателям применение жидкой теплоизоляции для утепления стен, фасадов, потолков в доме, утверждая, что тонкий слой краски заменяет традиционные утеплители, являются обманом.

Применение теплоизоляционной краски в домашнем хозяйстве

Жидкая теплоизоляция, нанесенная на стальные трубы водопровода, поможет предотвратить появление конденсата на их поверхности, защитит трубы от коррозии.

Известно, что зимой температура поверхности наружной стены всегда ниже температуры воздуха в помещении. Для повышения теплового комфорта бывает достаточно увеличить со стороны помещения температуру поверхности наружной стены или перекрытия буквально на несколько градусов. Нанесение на внутреннюю поверхность жидкой теплоизоляции толщиной 1-2,5 мм. часто достаточно для устранения промерзания оконного откоса, стены или перекрытия, ликвидации конденсата и плесени на их поверхности.

Жидкая теплоизоляция легко колеруется в любой цвет, на слой краски можно клеить обои.

Жидкий утеплитель, как правило, приходится наносить в несколько слоев. Учитывая достаточно высокую стоимость материала, применение его в домашнем хозяйстве, в указанных выше случаях, выгодно, если площадь покрытия невелика.

Рекламный ролик одного из производителей жидкой теплоизоляции:

Эффект впечатляет! Краску надо брать! Правда?

Обратите внимание на то, что диктор в видеоролике сообщает толщину жидкой теплоизоляции: 3 мм. А это, примерно, 6 слоев краски!

В конце ролика диктор делает вывод о замечательных «огнезащитных» и «теплосберегающих» свойствах жидкой теплоизоляции.

Подобный опыт проделывал каждый из нас, когда брал в руки раскаленную сковородку через тряпку. Но я нигде не слышал, чтобы кто-то утверждал, что тряпка толщиной 1 мм. по теплосберегающим свойствам эквивалентна 50 мм. пенопласта!

Во всех этих экспериментах, со льдом и сковородкой, на процесс передачи тепла влияет сочетание  теплопроводности, теплоемкости и плотности применяемых материалов.

Выше в статье, в качестве примера, указана величина теплопроводности жидкой теплоизоляции одного из производителей (0,0698 Вт/(м*°К)). Теплопроводность жидкой теплоизоляции больше, чем у традиционных утеплителей (0,043 Вт/(м*°К)). По этой причине, тонкий слой жидкого утеплителя никак не может заменить слой в 50 мм. минваты или пенопласта.

Обратите внимание, что указанная выше теплопроводность жидкой теплоизоляции определена по стандартной методике. Дело в том, что производители теплоизоляционной краски в рекламных документах часто указывают чудесно низкую величину теплопроводности, которую определяют расчетным путем. Например, в документах встречал расчетный коэффициент теплопроводности для жидкой теплоизоляции 0,0012 Вт/(м*°С). Покупатели обычно не обращают внимания на эту разницу в методиках. Это обстоятельство позволяет продавцам вводить покупателя в заблуждение. Сравнивать показатели теплопроводности и утверждать, что краска в 50 раз эффективнее пенопласта.

Для экономии тепла в доме, снижения затрат на отопление выгоднее, эффективнее и надежнее утеплить стену одним из традиционных способов — слоем минераловатного или пенополимерного утеплителя.

Удалось найти результаты испытаний теплоизоляционных свойств краски одной известной торговой марки. Краску нанесли на лист гипсокартона и определили, как покрытие изменило коэффициент теплопроводности листа. Результаты свидетельствуют о том, что при комнатной температуре слой такой краски толщиной 1 мм. может заменить собой только 1,6 мм. пенопласта.

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90000 How does heat insulation trap heat? 90001 90002 Advertisement 90003 90002 90003 90006 90007 90008 90009 90010 90002 by Chris Woodford. Last updated: June 2, 2019. 90003 90013 If you’re out and about in winter and you’re feeling cold, chances are you’ll put on a hat or another layer of clothing. If you’re sitting at home watching television and the same thought strikes you, you’re more likely to turn on your heating. Now what if we switched the logic around? What if you ate more food whenever you felt cold and stuck a woolly hat on top of your house each winter? The first would not make much difference: food supplies the energy your body needs, but it does not necessarily make you any warmer right there and then.But putting «clothes» on your house-by insulating it-is actually a very good idea: the more heat insulation you have, the less energy escapes, the lower your fuel bills, and the more you help the planet in the fight against global warming. Let’s take a closer look! 90003 90002 Photo: Aerogel is one of the world’s most exciting insulating materials. Put a slab of aerogel between a gas flame and some wax crayons and the crayons will not melt: the aerogel stops virtually any heat flowing through. One day, we could make all our windows out of aerogel-but scientists have to figure out how to make it transparent first! Photo by courtesy of NASA Jet Propulsion Laboratory (JPL).90003 90017 Why do we need insulation? 90018 90002 Compared to using age-old technology such as an open-coal fire, most modern heating appliances are actually pretty efficient; look at the red bars in the chart below and you’ll see that, for every joule (the standard modern unit of measuring energy) of fuel you feed into them, you typically get about 70 percent back again as heat (in practical terms, that’s what the fuel efficiency percentage means). 90003 90002 90003 90002 Chart: Comparing the cost and efficiency of different fuels.How efficiently you can heat your home (and how much it will cost) depends to a large extent on the fuel you use-which is not always something you can change easily. As this chart shows, home heating fuels vary dramatically in cost (with electricity the most expensive and coal the cheapest), though most are about 70 percent efficient or better. Wood is the least efficient fuel, but given its low cost, availability, and sustainability, that does not always bother people. Even though coal is the cheapest fuel, it’s dirtiness and other environmental drawbacks have made it much less popular in recent decades.Natural gas owes its popularity to its relativity low cost and high efficiency. The blue bars in this chart show the cost in dollars per million btu of nine common residential fuels (read the vertical axis on the left). The red bars alongside show the efficiency of each fuel as a percentage (read the vertical axis on the right). Drawn using data for 2014 courtesy of US Energy Administration. (This still appears to be the newest comparative data from the EIA as of 2019. The efficiency data does not really change, but please bear in mind that the prices may be slightly inaccurate now.) 90003 90025 Holding onto your heat 90026 90002 The real problem with home heating is retaining the heat you produce: in winter, the air surrounding your home and the soil or rock on which it stands are always at a much lower temperature than the building so, no matter how efficient your heating is, your home will still lose heat sooner or later. The answer is, of course, to create a kind of buffer zone in between your warm house and the cold outdoors. This is the basic idea behind heat insulation, which is something most of us think about far too little.According to the US Department of Energy, only a fifth of homes built before 1980 are properly insulated; so, as you can see from the chart below, most of us believe our properties are better insulated than they actually are. 90003 90002 90003 90002 Chart: Over 95 percent of homes built in the 1990s and after are either well- or adequately insulated, according to the perceptions of their owners, compared to just 68 percent built before 1950. (In reality, many homes are much more poorly insulated than their owners believe.) Drawn using data from [PDF] Householder’s Perceptions of Insulation Adequacy and Drafts in the Home in 2001 by Behjat Hojjati, US Energy Information Administration, 2004. 90003 90017 How does heat escape from your home? 90018 90002 90003 90002 Artwork: Where does the heat escape in a typical home? It varies from building to building, but these are some rough, typical estimates. The walls give the biggest heat loss, followed by the doors and windows, the roof, and the floor. 90003 90002 Why does heat escape from your home in the first place? To understand that, it helps to know a little bit about the science of heat.As you probably know, heat travels in three different ways by processes called conduction, convection, and radiation. (If you’re not sure of the difference, take a look at our main article on heat for a quick recap.) Knowing about these three types of heat flow, it’s easy to see lots of ways in which your cozy warm home is leaking heat to the freezing cold world all around it: 90003 90041 90008 Your house is standing on cold soil or rock, so heat flows down directly into the Earth by conduction.90009 90008 Heat travels by conduction through the solid walls and roof of your home. On the outside, the outer walls and the roof tiles are hotter than the atmosphere around them, so the cold air near to them heats up and flows away by convection. 90009 90008 Your house may seem like a big complex space with lots going on inside in but, from the point of view of physics, it’s exactly the same as a camp fire in the middle of vast, cold surroundings: it constantly radiates heat into the atmosphere.90009 90048 90002 The more heat escapes from your home, the colder it gets inside, so the more you have to use your heating and the more it costs you. The more you use your heating, the more fuel has to be burned somewhere (either in your own home or in a power plant up-state), the more carbon dioxide gas is produced, and the worse global warming becomes. It’s far better to insulate your home and reduce the heat losses. That way, you’ll need to use your heating much less. The great thing about home insulation is that it usually pays for itself quite quickly in lower fuel bills.Before long, it’s even making you money! And it’s helping the planet too. 90003 90017 How heat insulation works 90018 90002 Suppose you’ve just poured yourself a hot cup of coffee. A fundamental rule of physics called the second law of thermodynamics says it’s never going to stay that way: pretty soon, it’s going to be a cold cup of coffee instead. What can you do to postpone the inevitable? Somehow you need to stop heat escaping by conduction, convection, and radiation. 90003 90002 The first thing you could do is put a lid on.By stopping hot air rising and falling above the cup, you’ll be cutting down heat losses by convection. Some heat is also going to be disappearing through the bottom of the hot cup into the cold table it’s standing on. What if you could surround the cup with a layer of air? Then very little conduction could take place. So maybe have a second cup outside the first one with an air gap (or, better still, a vacuum) in between. That’s convection and conduction just about licked, but what about radiation? If you were to wrap aluminum foil round the outer cup, most of the infrared radiation the hot coffee gives off will be reflected back inside it, so that should solve that problem too.Apply all three of those solutions-a lid, an air gap, and a metallic coating-and what you have is effectively a vacuum flask: a really effective way of keeping hot drinks hot. (It’s also good at keeping cold drinks cold, because it stops heat flowing in just as effectively as it stops heat flowing out.) It’s worth noting, just in passing, that most takeaway stores give you hot drinks in nasty-tasting polystyrene containers. Ever wondered why? The answer is simply that polystyrene (and especially expanded polystyrene, filled with air-the crumbly kind you get in packaging materials) is a superb heat insulator (check out the table below and you’ll see it rates better than double- and triple-glazing).90003 90002 90003 90002 Photo: Above: Vacuums coated with metal are among the best insulators, but they’re not always suitable for everyday uses. In the late 1980s, two scientists working at the National Renewable Energy Laboratory, David Benson and Thomas Potter, developed a more practical way to use this technology called compact vacuum insulation (CVI). The outer metal plates, held apart by ceramic spacers, seal an insulating vacuum inside. Photo by Warren Gretz courtesy of US Department of Energy / National Renewable Energy Laboratory (DOE / NREL).90003 90002 Photo: Below: A similar idea is at work in products like Superfoil, an affordable insulating material that (if you peel it apart) is much like bubble-wrap, only it’s sandwiched between thin layers of aluminum foil instead of paper. According to the manufacturers, the basic version has an R-value of around 0.97-2.33 (depending on where you use it), though the thicker versions manage somewhat better. 90003 90002 90003 90017 The best way to insulate your home 90018 90002 Now, unfortunately, we can not build our houses exactly like a vacuum flask.We have to have air to breathe, so a vacuum’s out of the question. Most people like windows too, so living in a sealed box lined with metallic foil is not that practical either. But the basic principle of cutting down heat losses from conduction, convection, and radiation still applies nevertheless. 90003 90002 If you want to improve your insulation, you need to take a very systematic approach, considering every possible way in which cold air can enter your home and heat can escape. You need to work your way around the entire building looking at every door, wall, window, roof, and other potential source of heat loss in turn.How much loft insulation do you have and could you do with some more? Is your home suitable for cavity-wall insulation and have you worked out the likely savings and payback period? How much energy are you losing through those drafty old sash windows? Have you thought about investing in caulking, secondary glazing, heavy curtains, magnetically attached plastic sheets, or some other means of keeping out the cold? 90003 90025 Walls 90026 90002 90003 90002 Photo: Reduce the energy losses from your home by filling the walls full of foam insulation.This eco-home is being insulated with Icynene, a plastic insulation material similar to that used in pillows and mattresses. Photo by Paul Norton courtesy of US Department of Energy / National Renewable Energy Laboratory (DOE / NREL). 90003 90002 Many homes have what are called cavity walls with two layers of brick or blocks between the inner rooms and the world outside and an air gap between the walls. The air gap reduces heat losses from the walls by both conduction and convection: conduction, because heat can not conduct through gases; convection, because there’s relatively little air between the walls and it’s sealed in, so convection currents can not really circulate.90003 90002 By itself, air is not the best insulating material to have between your walls. It’s actually far more effective to have the cavities in your walls filled with expanding foam or another really good insulating material that stops heat escaping. Cavity-wall insulation, as this is known, takes only hours to install and costs relatively little. Cavity walls are often filled with loosely packed, air-filled materials such as vermiculite, shredded recycled paper, or glass fibers (Specially treated to make them fireproof).These materials work in exactly the same way that your clothes work: extra layers of clothing make you warmer by trapping air-and it’s the air, as much as (or more than) the clothes themselves, that stops heat escaping. 90003 90017 Which are the best home insulation materials? 90018 90002 Some forms of insulation are better than others, but how can you compare them? The best way is to look out for measurements called R-values ​​and U-values. 90003 90025 R-values ​​90026 90002 The R-value of a material is its thermal resistance: how effectively it resists heat flowing through it.The bigger the value, the greater the resistance, and the more effective the material is as a heat insulator. 90003 90006 90008 Single glass: 0.9. 90009 90008 Air: 1 (0.5-4 inch air gap). 90009 90008 Double-glazing: 2.0 (with 0.5 inch air gap). 90009 90008 Vermiculite: 2.5 per inch. 90009 90008 Fiberglass: 3 per inch. 90009 90008 Triple-glazing: 3.2 (with 0.5 inch air gap). 90009 90008 Expanded polystyrene: 4 per inch. 90009 90008 Polyurethane: 6-7 per inch 90009 90008 Polyisocyanurate (foil-faced): 7 per inch.90009 90008 Aerogel: Space-age insulating material: 10 90009 90010 90002 90003 90002 Photo: You can reduce heat losses through your floor by building your home on a thick insulating material like this, which has an R value of 30. Photo by Paul Norton courtesy of US Department of Energy / National Renewable Energy Laboratory (DOE / NREL). 90003 90025 U-values ​​90026 90002 Another common measurement you’ll see is called the U-value, which is the total amount of heat lost through a certain thickness of insulating material.The lower the U-value, the lower the heat flow and the better the material does it job as an insulator (so that’s the opposite of R-value, where higher values ​​are better). U-values ​​and R-values ​​are obviously related concepts, but U-values ​​are more accurate. Where R-values ​​only consider conduction losses, U-values ​​take account of losses due to conduction, radiation, and convection. The conduction loss is the reciprocal of the R-value (that’s one divided by the R-value), then you add radiation and convection losses onto that to get the total U-value.90003 90002 Generally, we’re only interested in 90120 comparing 90121 different materials, so all you really need to remember is that high R-values ​​and low U-values ​​are good things. 90003 90025 Roof 90026 90002 Since warm air rises, plenty of heat escapes through the roof of your home (just as lots of heat escapes from your body through your head, if you do not wear a hat). Most people also have insulation inside the roof (loft area) of their homes, but there’s really no such thing as too much insulation.Loft insulation is generally made from the same materials as cavity-wall fillings-such things as rock wool and fiberglass. 90003 90025 Radiation losses 90026 90002 90003 90002 Photo: Double glazing: the air gap between the two panes of glass provides heat insulation-and soundproofing too. 90003 90002 Wall and roof insulation cuts down on heat losses by convection and conduction, but what about radiation? In a vacuum flask, that problem’s solved by having a reflective metallic lining-and the same idea can be used in homes too.Some homeowners install thin sheets of reflective metallic aluminum in the walls, floors, or ceilings to cut down on radiation losses. Good products of this kind can reduce radiation losses by as much as 97 percent. You can find out more by searching on «reflective insulation «or» radiant barrier «in one of the search boxes on this page. 90003 90002 That still leaves the windows as a major source of heat loss, but there are ways to tackle that problem too. Double-glazed windows have two panes of glass separated by a sealed air gap.The air stops heat losses by conduction and convection, while the extra pane of glass reflects more light and heat radiation back into your home and reduces heat losses that way too. You can have your windows treated with a very thin reflective metallic coating or made from special thermal glazing (Such as Pilkington-K, which traps heat a bit like a greenhouse) that reduces heat losses even further. (Read more in our main article on heat-reflective windows.) 90003 90002 Generally, the more insulation you have, the warmer you’ll be.But the amount you need varies depending on where you live and how cold it gets. 90003 90002 90003 90002 Chart: Switching from single- to double- or even triple glazing can make a big difference (darker blue), especially if you use low-e, heat-reflective glass (lighter blue). The numbers shown are R-values, with a 0.5 inch air gap. 90003 90025 Curtains and blinds 90026 90002 If you can not insulate your windows, for any reason, curtains and blinds can make a difference. Remember that the purpose of curtains is not simply to give you privacy: good curtains should trap a significant volume of air between the fabric and the window and stop it from moving; it’s the air that gives you the insulation and not (generally) the fabric of the curtains themselves.So you need curtains that seal at the sides and reach snugly to the floor (or touch the windowsill). The more air you trap between the fabric and the window the better your curtains will be as heat insulators. You might prefer the convenience of blinds, but they are almost never as effective as curtains, partly because most blinds have air gaps in them (so they do not create any kind of an air seal) and also because blinds tend to be fitted closer to the glass so the volume of air they trap is greatly reduced.90003 90025 Insulate yourself 90026 90002 If your heating bills are really starting to get to you, or your home is so old and drafty that you simply can not keep heat in it for any length of time, why not shift your focus away from heating the building to keeping your own body warm? Use a moderate amount of heating each day to keep your home in good condition and avoid problems such as damp and condensation, but do not have your heating on as long or as high as you would normally. Instead, buy yourself some thermal underwear (merino wool is particularly good-and often sold as «base layer» garments in outdoor activity shops) and put on more layers of clothing on top.Another option is to keep one or two rooms in your home comfortably warm and only heat the others occasionally, in rotation, when you feel they’re becoming too cold. 90003 90025 Insulation versus ventilation 90026 90002 The better insulated your home, the less well ventilated it’s likely to be. Although that does not sound like a problem, it certainly can be: the air in a home needs to be changed reasonably often to avoid problems like condensation and damp, and potentially dangerous indoor pollution (from things like cooking and heating).Exactly how often the air needs to be refreshed depends on how big the space is, how many people are inside it, and what sorts of things they’re doing (a bathroom or kitchen generally needs more ventilation than a living space, for example) . Insulation and ventilation do not have to be enemies, however; there are technical solutions to the problem, notably heat-recovery ventilation (HRV) systems that use heat exchangers to catch the warm, stale air flowing out of a building and reheat the cool, fresh air flowing in the other way.90003 90006 90007 90008 90009 90010 90017 Find out more 90018 90025 On this website 90026 90006 90008 Heat: The science of heat energy explored in more detail. 90009 90008 Heat-recovery ventilation: Explores ways to ventilate a home without losing the heat locked inside. 90009 90008 Passive solar: Stopping heat from escaping is a good thing, but so is letting in heat from the Sun to reduce your energy bills. That’s the basic idea behind passive-solar buildings.90009 90010 90025 On other websites 90026 90025 Books 90026 90025 Articles 90026 90006 90008 Heating Your Home Helps Warm the Planet by Vaclav Smil. IEEE Spectrum, May 19, 2016. Why better insulation will matter more as we focus more attention on tackling climate change. 90009 90008 90% Of U.S. Homes Under Insulated, Research Finds: Clean Technica, October 2, 2015. A study by the North American Insulation Manufacturers Association (NAIMA) reveals massive scope for improvement in the United States.90009 90008 Could Norway’s home insulation methods save lives elsewhere: BBC News, December 31 2013. Colder countries such as Norway have lower winter death rates because their homes are better insulated. 90009 90008 Insulating your home? Try recycled materials from curtains to carpets by Joanne O’Connell. The Guardian. April 24, 2014. Waste from the textile industry could make perfect insulation, killing two eco birds with one stone. 90009 90008 Home Green Home: Insulation Materials by Tom Zeller Jr.The New York Times, October 15, 2009. A comparison of the most common insulating materials. 90009 90010 90002 Please do NOT copy our articles onto blogs and other websites 90003 90002 Articles from this website are registered at the US Copyright Office. Copying or otherwise using registered works without permission, removing this or other copyright notices, and / or infringing related rights could make you liable to severe civil or criminal penalties. 90003 90002 Text copyright © Chris Woodford 2008, 2019.All rights reserved. Full copyright notice and terms of use. 90003 90017 Follow us 90018 90006 90008 90009 90008 90009 90010 90017 Save or share this page 90018 90002 Press CTRL + D to bookmark this page for later or tell your friends about it with: 90003 90017 Cite this page 90018 90002 Woodford, Chris. (2008/2019) Heat insulation. Retrieved from https://www.explainthatstuff.com/heatinsulation.html. [Accessed (Insert date here)] 90003 90017 More to explore on our website… 90018 .90000 Liquid heat insulation, waterproofing, thermal insulation AKTERM 90001 90002 90003 90004 90005 AKTERM 90006 is a synonym to innovation and leadership in the market of thermal insulating materials. We produce warmth to care about the future. For 90005 6 years 90006 of dynamic work AKTERM, being the pioneer in the development and production of liquid thermal insulating materials, has earned its reputation of the leading manufacturer of 90005 multifunctional heat and thermal insulating coatings 90006 in the markets of Russia and the former Soviet Union countries.The innovative production formulae developed by the company have no complete parallels in Russia or Europe. 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AKTERM® becomes the «second skin» of the surface it is applied to, allowing for using any additional insulation, decoration or top coatings. 90032 90013 90004 When traditional insulation materials do not work it is advisable to try 90030 AKTERM® 90032 liquid insulation materials to either supplement the traditional insulation or substitute it with them.90030 AKTERM® 90032 is a high quality alternative means of insulation designed for a variety of uses and surfaces. 90013 90004 90005 90030 The innovation of AKTERM® 90032 90006 90005 90030 is in the professional, unique development of combining its three main ingredients. 90032 90006 90013 90004 90005 Practical goals of using AKTERM ™ extra strong insulation coatings 90006 90013 90085 90086 thermal insulation 90087 90086 water protection 90087 90086 heat retention 90087 90086 protection against condensed water and corrosion 90087 90086 fire protection 90087 90096 90004 90005 Social and cultural goals 90006 90005: 90006 90013 90085 90086 providing comfortable housing conditions 90087 90086 health preservation 90087 90086 improvement of life quality 90005 90110 90006 90087 90096 90004 90005 Environmental goals 90006 90005: 90006 90013 90085 90086 preservation of environmental balance 90087 90086 prevention of warmth loss in buildings 90087 90086 minimizing construction waste when applying the product 90087 90096 [Uptolike].90000 Heat insulation 90001 90002 Do you have a specific question about GEALAN or are you searching for further information? 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90003 Privacy statement: .90000 Insulation 90001 90002 Heat transfer and heat loss from buildings and technical applications — heat transfer coefficients and insulation methods and to reduce energy consumption 90003 90004 Arithmetic and Logarithmic Mean Temperature Differences in Heat Exchangers 90005 90006 Arithmetic Mean Temperature Difference — 90007 AMTD 90008 — and Logarithmic Mean Temperature Difference — 90007 LMTD 90008 — formulas with examples — Online Mean Temperature Calculator 90011 90004 Building Elements — Heat Loss and Thermal Resistivity 90005 90006 Thermal resistance in common building elements — like walls, floors and roofs above and below the ground 90011 90004 Building Materials — Vapour Resistance 90005 90006 Diffusion of vapor through building materials 90011 90004 Calcium Silicate Insulation 90005 90006 Thermal conductivity of calcium silicate insulation — temperature and k-values ​​90011 90004 Conductive Heat Transfer 90005 90006 Heat transfer takes place as conduction in a solid if there is a temperature gradient 90011 90004 Copper Tubes — Insulation and Heat Loss 90005 90006 Heat loss to surrounding air from insulated copper tubes 90011 90004 Duct Wrap Insulation — Thermal Resistance 90005 90006 Thermal resistance to heat flow of unfaced and faced duct wrap insulation 90011 90004 Emissivity Coefficients for some common Materials 90005 90006 Radiation emissivities of some common materials like water, ice, snow, grass and more 90011 90004 Fiberglass Insulation 90005 90006 Thermal conductivity of fiberglass insulation — temperature and k-values ​​90011 90004 Heat Loss from Bare Pipe Surface 90005 90006 Heat losses from bare pipe surfaces 90011 90004 Heat Loss from Uninsulated Copper Tubes 90005 90006 Heat loss from uninsulated copper pipes — dimensions ranging 90007 1/2 — 4 inches 90008 90011 90004 Heat Traced Pipes — Wrapping Factor 90005 90006 Wrapping factor when heat loss from a pipe or tube is higher than the heat trace cable capacity 90011 90004 Insulated Pipes — Heat Loss Diagrams 90005 90006 Heat loss 90007 (W / m) 90008 from insulated pipes — ranging 90007 1/2 — 6 inches 90008 — insulation thickness 90007 10 — 80 mm 90008 — temperature differences 90007 20 — 180 deg C 90008 90011 90004 Insulated Pipes — Heat Loss Diagrams 90005 90006 Heat loss 90007 (W / ft) 90008 diagrams for insulated pipes — ranging 90007 1/2 — 6 inches 90008 — insulation thickness 90007 0.5 — 4 inches 90008 — temperature difference 90007 50 — 350 deg F 90008 90011 90004 Insulation Materials — Temperature Ranges 90005 90006 Temperature limits for some commonly used insulation materials 90011 90004 Insulation of Cooling Systems 90005 90006 Cooling systems and insulation thickness 90011 90004 Mineral Wool Insulation 90005 90006 Thermal conductivity — temperature and k-values ​​90011 90004 Overall Heat Transfer Coefficient 90005 90006 Calculate overall heat transfer coefficients for walls or heat exchangers 90011 90004 perlite Insulation 90005 90006 Thermal conductivity of perlite insulation — temperature and k-values ​​90011 90004 Piping — Recommended Insulation Thickness 90005 90006 Recommended insulation thickness of heating systems like hot water, low, medium or high pressure steam systems 90011 90004 Polyurethane Insulation 90005 90006 Thermal conductivity of polyurethane insulation — temperatures and k-va lues 90011 90004 Radiation Heat Transfer 90005 90006 Heat transfer due to emission of electromagnetic waves is known as thermal radiation 90011 90004 Steel Pipes — Heat Loss Diagram 90005 90006 Heat loss from steel pipes and tubes — dimensions ranging 90007 1/2 — 12 inches 90008 90011 90004 Thermal Conductivity of selected Materials and Gases 90005 90006 Thermal conductivity of some selected gases, insulation products, aluminum, asphalt, brass, copper, steel and other common materials 90011 .