The Different Types Of Radiant Barrier Products In The Market Today.

Radiant barriers are installed or applied in houses to reduce the summer heat gain and reduce the winter heat loss

. Radiant barriers help in reducing building heat and cooling energy usage. The radiant barriers are made up of reflective materials that reflect off radiant heat rather than absorbing it. They are designed to block the effects of in-house radiant heat gain by reflecting the radiant heat back to the direction of its source. Radiant barriers come in many forms including some of the ones described below.

Foil radiant barrier is the most popular and useful form of radiant barrier insulation. It is made of aluminum and requires air space to be effective. The radiant barrier aluminum is applied to one or both sides of a number of foil substrate materials. The substrate material may include kraft paper, plastic films, cardboards, oriented strand boards, air infiltration material among others.

The foil radiant barrier comes in a couple of different variations including the single-sided foil with reinforcing material such as Kraft paper or fiber webbing, the foil-faced roof sheathing that has a foil facing adhered to one side of the sheathing, the double sided foil with reinforcement between the foil double layers, foil-faced insulation, reflective radiant barrier chips and the multi layered foil systems.

Reflective radiant barrier chips are blown onto the floor of the attic, approximately three or more inches deep. The chips, with their many trapped air pockets within the floor of the attic, act similarly to multi-layer products to reduce heat transfer through the ceiling assembly. When buying a foil radiant barrier ensure that it is perforated to keep the foil from condensation and subsequent water damage.

Paints are a more affordable form of radiant barrier. They come in varying colors and can be purchased and applied to either the inside or the outside of the house. Paints are mostly effective when applied on the solid surfaces particularly the attic or the basement of the house. When purchasing such paints always check on the reflectivity so as to maximize on the paints radiant barrier ability.

Spray foam is the cheapest of all the radiant barriers though it does not give the best results. It is simply sprayed-on just like you are using a can of spray paint. In addition to its radiant qualities you can use spray foam to seal some cracks and other sources of air leaks in the house. Spray foam will require periodic re-spraying to obtain optimal results.

by: Eric Judy

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