This insulation is rated and tested by reflectivity and emissivity.
Double bubble insulation review.
Ecofoil double bubble white insulation is very thin 1 4 to 5 16 with a foil surface on one side and a white surface on the other.
Green building advisor recently wrote an article about foil faced bubble wrap and did a balanced job of it.
If you don t provide air space this product provides almost no insulating value.
Worth mentioning to get the equivalent r value to what the manufactures claim on the packaging the installer has to use spacers under the insulation to keep the prescribed air gap between the ducts and the foil.
Lastly cut away any excess bubble wrap with your x acto knife to ensure a snug fit.
And just like that you have bubble wrap insulation.
Most metallic bubble wraps are about an r 1.
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It is 96 reflective and 4 emmissive meaning the product only allows 4 of radiant heat to pass through it.
Push the bubble side of the wrap against the window.
Find helpful customer reviews and review ratings for double bubble reflective foil insulation.
It may feel like you need glue or tape but trust us the water will hold the bubble wrap to your window all winter long.
When i wrote about my trip to the southeast building conference in july i mentioned how some products on display there really annoyed me because they re either bad to the bone or overhyped.
The main one in the latter category is foil faced bubble wrap sold as insulation.
However since the two layer of bubbles are pretty thin it s not great insulation.
The rubber meets the road on reflectix s website where it says no air space no reflective insulation benefit.
Prodex total is composed of 13 64 inch approx.
48 in x 10 ft roll industrial strength commercial grade no tear radiant barrier wrap for weatherproofing attics windows garages rv s ducts more.
I have heard some say that the insulation could be installed loosely to maintain the gap.
The double bubble does assure that there s an isolated air pocket across the entire surface of the material.
An r 1 1 is provided from the product itself for the reflective double bubble material.
It s best purpose is as a vapor barrier attic radiant foil across rafters or as an isolation barrier in a hydronic radiant heat space between the floor.