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.
Radiant barrier paint vs foil.
Radiant barrier paint vs.
However the fine print exists when the best available radiant barrier paint can only reflect about 75 of the radiant heat transfer.
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.
Which type of radiant barrier is best.
Not emit radiant heat.
We take a look at how radiant barriers work the different types of radiant barriers and some of the.
Meanwhile the radiant barrier foil will reflect 97 of the radiant heat transfer.
Read more on our website.
Radiant barrier spray vs.
Radiant barrier foil vs.
Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes.
There are two basic types of reflective insulation to choose from when you are considering a radiant barrier to install in your attic.
Radiant barrier paint performed the worse providing a heat decrease in the conditioned space of around 19.
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.
Radiant barrier paint vs.
Our radiantguard ultima foil radiant barrier reflects 97 of the radiant heat making them far superior to any heat reflective paint and are much easier to install than a radiant barrier spray making the installation an easy diy job.
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.
The foil vs paint question.
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.
Once the clear paint dries the aluminum powder forms a layer of aluminum.
Radiant barrier spray on paint is essentially liquid foil.
For the record both the radiant barrier spray paint and the radiant barrier foil will reflect i e.
The results were very telling.