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How Does Heat Insulation Work and What are its Types?

Apart from being used in buildings as a construction material, heat insulators are used in other areas as well like fridges, air conditioners, industrial machinery, etc. Generally, heat insulators are kept between two planks to enhance the insulation properties. Some materials are more efficient than others if placed between two planks or dividers as an insulator. Some of the most common and efficient insulation materials are namely Aluminum, Clay, Cotton, Hemp, Rockwool, Wood fiber, and Polyurethane foam.

Types of Heat Insulators and Their Working

There are various thermal insulators available in the market. As far as the heat transfer is concerned, they are of various types such as convection, radiation, and conduction, and each of them requires a specific insulator.

Heat Insulation – Convection

Heat transfer via convection is something relatable to vaporization. This process involves transferring heat via air, gas, or liquid. The job of heat insulators is to stop that warm air/gas/liquid from coming into contact with the surface. Sprays and foams are mostly used in this type of insulation.

Heat Insulation – Radiation

In this type of heat transfer devices such as ballasts, bulbs and other electrical objects in grow rooms radiate heat in the form of infrared rays. Radiation specific heat insulators usually reflect the heat to a certain location away from the place which is to be kept cool. The materials used in this category are generally metallic and is used while constructing residential spaces.

Heat Insulation – Conduction

This is the type of heat insulation which is mostly used to stop or block heat transfer via conduction. This particular heat transferred is caused by direct contact. This insulation is mostly found in houses and residential spaces. Here they are used in different types of electrical systems for blocking heat transfer via contact.

Read Also: How to keep heat in by Roof Insulation

Important Note:

If you want your Heat Insulator to work correctly, you need to cover the complete growing area to ensure that there are no holes or spaces through which radiated heat can escape. Many electrical devices tend to grow cannabis so it results in producing a lot of heat in the room. The solution is to cover all parts of the structure including windows, walls, doors, and ceilings.

How to perform cannabis detection?

The best way to find indoor growing operations is by following the heat signature produced by all of the devices. Infrared cameras are very popular in playing a significant in this department. These infrared cameras have the ability to read the length of the waves being left off by objects in the locality, structures, and living beings. Waves that are unseen through human eyes are detected by these devices. A man cannot see such frequencies with the naked eye.

How to Smokescreen your Grow Room?

If you want to camouflage your grow room from infrared detectors and pull out all of the stops, you will need to ensure that the radiation produced by electric devices doesn’t reach the floors and walls of your growing room. This can be done with the help of metal alloys such as lead and aluminum. It is a great choice to use a heat resistant sheet for roof

The general idea is to focus on covering the entire growing area like walls, windows, ceiling, and doors with a specific type of film suitable for this purpose. This film is named as insulation film and it is constructed or created using the materials we have mentioned earlier in this article. They also contain both internal and external layers of air bubbles which can prove to be very helpful in keeping the internal room environment protected against heat changes outside the room up to 15 degrees Celsius.

Read Also: Importance of Insulation in Poultry Housing

Types of Fabrics used in Insulation Mterials

Dis Swat Heat Insulator

Dis Swat Heat Insulator became a way for thousands of growers to protect and safeguard themselves from infrared cams. These insulators are made up of a one-centimeter thick interior air bubble chamber and two external reflective sheets. This helps in maintaining a temperature balance in and out of the room up to 15 degrees Celsius.

Neptune Hydroponics Heat Insulation film

For your grow rooms, Neptune Hydroponics has designed their very own insulation film. It could be a great alternative for growing in order to grow room efficiently and also at an affordable price. The film also has the property of being highly reflective and it also contains multiple air bubbles. These properties are very beneficial to keep the perfect temperature difference indoors that too up to 12 degrees Celsius difference from the external temperature.

Dis Swat auto-fix Heat Insulation

The design of the Dis Swat AUTOFIX reflective and insulating film is such that it comes with an adhesive film on one side which makes it easy to stick to any surface like a wall and without the use of duct tape or a stapler.

List of 10 Materials Keeping Your House Warm

There are many things to take care of to keep your home warm and cozy. First and foremost, a home must have a building envelope with proper insulation. Fun fact: you can drastically reduce the energy you are using to maintain the home’s climate by reducing heat transfer via the building envelope. Insulation not only prohibits heat transfer, but it also keeps the sound under control. So, here is a list put together of ten high-quality insulation materials that keep your house warm. Check the best Roof Insulation Solution for your house here.

10 Materials Keeping Your House Warm

Check the list of materials keeping your home warm

Cellulose Insulation

Cellulose is quite combustible because it mainly consists of shredded newspaper. You can find cellulose insulation on the ceiling, walls, and the attics of your house. Please note that cellulose insulation is not fireproof, even though people treat it with flame retardants.

Furthermore, it retains and absorbs moisture. You can apply cellulose insulation using many ways, out of which one is where you can add water into it. Another point to note here is that cellulose insulation requires the same quantity of untouched materials, such as fiberglass insulation. The only difference is that cellulose insulation needs to triple the cellulose for obtaining equivalent efficiency.

Expanded Polystyrene (EPS)

EPS consists of the fusion of plastic beads of a small size. You can notice the use of EPS in concrete tiles. On the other hand, molded EPS comes in small-sized foam beads, and it is widely used for foam board insulation. The only thing you have to take care of is that a tiny hole in the wall or a rush of wind can disperse all the beads.

Extruded Polystyrene

Extruded polystyrene differs from expanded polystyrene in various ways. It is in molten form, which is later turned into sheets. You can use it for general purposes, but its primary use is for insulating the foam board. A few of its main advantages are that it is resistant to corrosion, moisture, and rotting. Furthermore, it also has air emission benefits with net-positive energy conservation.

Spray Polyurethane Foam (SPF)

SPF is an insulating foam plastic. Spray polyurethane foam is sprinkled as a liquid that dilates multifold. Not only does it provide an air barrier and moisture control, but it also provides a high R-value. It is widely used to insulate ceilings, roofings, air barriers, attics, and basements. It enhances the environment of your home ventilation for efficient functioning.

Reflective Insulation

It is made from metallic foils like aluminum, polyethylene, cardboard, or plastic films. It specially prohibits the transfer of heat between open spaces. You can find reflective insulation in floor joints and roof rafters. But, you must recruit an expert to install it because the materials in reflective insulation conduct electricity. Furthermore, its performance largely relies on the method and place of installation, considering the present installation in the area.

Fiberglass Insulation

You can find fiberglass insulation in walls, air ducts, floors, and pipes. It further segregates into two subtypes, namely fiberglass loose-fill and blanket insulation. The former blows in, whereas the latter comes in rolls with different densities and dimensions. It is naturally non-combustible because it constitutes of recycled glass and sand.

Using fiberglass insulation can be beneficial to you because it can drastically reduce your utility bills and energy usage. It has impressive environmental benefits like it helps reduce fossil fuel combustion to heat and cool buildings. All in all, it reduces the overall carbon dioxide emission.

Radiant Barriers

You will mostly find radiant barriers in attics. Its foremost purpose is to reduce the heat gain when it is hot, usually the summer, and heat loss when it is cold, usually the winter. Experts usually install it with the reflecting side facing an open air-space. The radiant heat moves away from the body and heats every solid, absorbing the energy. It is also the reason why your roof gets heated by the sun. Furthermore, it reduces energy costs because it blocks around 90% of the heat that strikes the surface.

Cotton Insulation

Cotton insulation is made from recycled jeans (blue), proving that you can use your jeans for other purposes than wearing them. Not only is it environmentally and hygienically safe, but it can also decrease sounds better than other insulation methods.

Installers do not need to take special safety precautions like wearing masks or other equipment. Additionally, it maintains its R-value well enough in the winter season. The installation process of cotton insulation is identical to that of fiberglass insulation.

Mineral Wool

Just like fiberglass insulation, mineral wool also comes in the loose-fill and blanket form. It constitutes around 75% of post-industrial content that they recycle, and there is no need for additional chemicals in mineral wool that make it flame-resistant.

Polyisocyanurate Insulation

This type of insulation comprises plastic with closed-cell foam. It also has cells with a low-conductivity gas that provide a decent R-value. But, gas leaks can happen, which let the air inside, lowering the R-value.

The insulation comes in the liquid foam, rigid foam board, spray foam. You can also laminate into insulation panels with various facings. In-place foam applications are a better option than installing a foam board because it is more pocket-friendly. It also has better performance because of the liquid foam molds well to the surfaces.


So, these were the ten best materials that can keep your house warm. You must consider choosing one of them that can suit the best to your needs. One thing to note is that while insulating your home, you must get an R-value recommendation from the department of energy in your area.

How To Calculate An Attic Area For Heat Insulation

Let us face the fact here. In case your house is situated in a place where the climate is cold, keeping it hot during the wintertime is going to be pretty expensive. There are some attics that are really worth protecting form the different cases of temperature changes and heat escape problems for sure.

So, for these cases, it is really important to choose some proper and effective insulation material. In most situations, people tend to go to PUR Foam. Hence, it is really essential for people to know how to use it and how to measure the attic space or area for heat insulation. This is exactly what this article is about. Check out this article for the perfect heat insulation solution.

Calculating The Attic Area For Proper Heat Insulation

Ascertaining a usable area or space of an attic can cause issues. It is important to keep in mind that the surface used for insulation isn’t equivalent to the surface which is situated in an upper story. So as to precisely figure its worth, you have to think about the components of roofs and inclinations.

The specific outcome can be acquired by estimating the whole attic. You can likewise utilize an equation that generally decides its usable area. How to figure out square meters of the slants? Accept that there is 1.4 m2 for the insulation of a rooftop surface for each m2 of an upper area. Definite information on the best way to figure a usable area of the attic can be found in the different standards of construction.

In the event that you don’t plan to make a usable area under a rooftop, the entire calculations are less confounded. How to total the slants on a non-utility rooftop? You don’t have to know their measurements. Also, you can do the thermal insulation just on an upper story. At that point, the estimation of the surface to be protected is equivalent to the outside of a roof.

Read Now:- How to keep home cool in summer

Determining The Thickness of The Attic Insulation

On account of the heat insulation solution of an attic, the thickness of the thermal insulation layer is significant, particularly if a room is to be usable. The touch of thermal insulation occupies a touch of room, lessening its volume.

The thickness of the attic insulation relies upon the estimation of the heat transfer coefficient U. Its worth is as of now 0.18 W/(m2K), thusly the thickness of the open-cell PUR foam layer, for example, Purios E, which ought to be secured with an upper room, is at any rate 21 cm. The lower the thermal transferring coefficient you need to accomplish is, the thicker the foam layer ought to be applied. To accomplish the U-esteem for the shut cell foam, for example, Purios H, the ideal foam thickness is just 12 cm, which on account of practical attics is critical.

On the off chance that you anticipate a more elevated level of insulation, you can apply a thicker layer of up to 24 cm. Such thickness of PUR froth will build the degree of insulation, which will have an extra sparing on account of room warming, and as a result – for your funds.

Read now:- Benefits of thermal insulation

Choice Of Proper PUR foam For Insulation Of An Attic

There is certainly no unambiguous answer – the two sorts are ideal for thermal insulation. The open-cell PUR Foam, for example, Purios E, is a lightweight material with incredible insulation properties. Moreover, it is impeccable as an acoustic isolator. Thus, the closed-cell foam, for example, Purios H, is recognized by a low heat transfer coefficient. It is unbending, impervious to mechanical harm, and doesn’t assimilate dampness, which results from high dispersion opposition and the structure of shut cells. The open-cell foam is suggested for wooden upper rooms and the closed-cell foam – for attics made of cement.

On the off chance that ascertaining the initial expense of the attic insulation is hard for you, you can utilize the type of attic thermal insulation calculation. This apparatus will assist you in deciding the sum that you will presumably need to spend on the insulation of a rooftop.

You can utilize the loft insulation number cruncher on the off chance that you have just decided the size of a rooftop surface to be protected, you comprehend what material you need to utilize, and you know the prerequisites for the protection thickness. Look at whether you intend to convey rooftop protection with a wooden roof and corner to corner storage room floor, or protecting a roof over a story. The subsequent stage includes the assurance of the sum for the work believing the sort of a surface to be protected.

Read now:- Efficient ways to insulate your house


So, that is all we have for you today. We have mentioned details about finding out the perfect usable area in the attic for insulation. Also, we have mentioned how to calculate the amount for the heat insulation solution. Make sure to follow this article for more details.

NEO: Offering a clear range of air bubble thermal insulation products, an extraordinary air bubble sheet which is developed with supervision and quality. We follow the latest trend of insulation technology which makes our product best in the industry. Experience our top-rated services and make your home and workplaces with thermal insulation.

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Neo Thermal Insulation (India) Pvt. Ltd.

Head Office:- A-434, 1st Floor Dewan Group, Nursery Circle, Vaishali Nagar, Jaipur, Rajasthan – 302021

Reg. Office:- Office No. 113, First Floor, Sunny Mart, New Aatish Market, Mansarovar, Jaipur, Rajasthan – 302020

Corp. Office:- AG-61, Sanjay Gandhi Transport Nagar New Delhi – 110042

West Zone Office:- Survey No. 6/1/2, Mantarwadi Katraj Bypass Road, Uruli Dewachi, Pune, Maharashtra – 412308

Manufacturing Unit-1:- Plot No. 39, 40, Balaji Industrial Park Dahmikalan, Bagru, Jaipur – Rajasthan – 303007

Manufacturing Unit-2:- Plot No. A-36, Balaji Industrial Park, Near RIICO Ext., Dahmikalan, Bagru, Jaipur – 303007


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