Alu Thermal Insulaiton Material

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The effectiveness of the radiation barrier depends on proper installation, so it is best to use a certified installer. If you choose to install it yourself, study and follow the manufacturer’s instructions and safety precautions carefully.The following is an explanation of why airspace is necessary when using radiation barriers.

What are radiant barrier foil insulation materials?

Multi-foil insulation can effectively deal with all forms of energy transfer (e.g. radiation, conduction, convection), with the most effective effect being reflected radiation. It reflects up to 95% of radiant heat, creating a cool indoor environment even in hot and humid climates.

Why you need air space to install a aluminum foil radiant barriers?

One of the most common questions we get is why you need an air gap to install a radiant barrier. First, you must fully understand what radiant heat is. Radiant heat is a type of heat that travels through an air gap or vacuum. For example, if you walk into your kitchen and stand a few feet in front of the oven, you will feel heat travelling through the kitchen, this is radiant heat. Now, if you walk up and put your hand on the oven, you’ve eliminated the air gap – there’s now essentially a solid body between the oven and your hand. The heat that flows to your hand is conductive heat. Therefore, to create a cool indoor environment, an air gap must be created when installing insulation under a roof or wall. The only way to insulate better is to install certified insulating aluminium foil insulation!

How large an air gap is required?

Typically, we recommend that you allow a 1/2″ to 3/4″ air gap for the radiant barrier to work. In addition, a large temperature difference between the inside and outside of the insulation can lead to condensation. Therefore, larger air gaps also work well – they promote ventilation on the foil, which helps keep the air dry and prevents condensation.

LANDY has two self-operated brands of ‘LANDY’, ‘LANDY’ and ‘INSUL-PACK’, and its products have passed CE, AWTA, ASTM, SGS, BSCI and other professional certifications.