Radiant Barrier Paint Vs Foil

The foil vs paint question.

Radiant barrier paint vs foil.

Which type of radiant barrier is best. A radiant barrier can lower heat transfer from attics to the building below keep the attic space cooler and lower cooling costs by up to 17 in warmer climates. While not all radiant barrier paints are the same basically they are made by grinding pure aluminum into a fine powder and then mixing it into clear paint. Radiant barrier foil vs.

Radiant barrier paint vs. Radiant barrier foil which is better. Radiant barrier insulation may 06 2015 while researching radiant barrier insulation online many consumers are coming across paint products erroneously marketed as radiant barrier paint which are intended to be sprayed to the underside of the roof rafters to lower the emittance of radiant heat from the roof decking. Not emit radiant heat.

A control study was published in 2013 showing the radiant barrier effectiveness of paint foil backed sheathing and foil that was stapled onto the rafters. For the record both the radiant barrier spray paint and the radiant barrier foil will reflect i e. There are two basic types of reflective insulation to choose from when you are considering a radiant barrier to install in your attic. We take a look at how radiant barriers work the different types of radiant barriers and some of the.

However the fine print exists when the best available radiant barrier paint can only reflect about 75 of the radiant heat transfer. Meanwhile the radiant barrier foil will reflect 97 of the radiant heat transfer. Paint radiant barriers use aluminum to minimize solar gains by reflecting the sun s rays back away from the air conditioned building. Radiant barrier paint performed the worse providing a heat decrease in the conditioned space of around 19.

Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes. Radiant barrier paint vs. The results were very telling. Radiant barrier spray on paint is essentially liquid foil.

You can either staple up a traditional radiant barrier foil to the underside of the roof rafters or you can use an insulating spray paint on the underside of the roof decking. Once the clear paint dries the aluminum powder forms a layer of aluminum. Read more on our website.