Reflective Bubble Insulation R Value

Air space equals r value.

Reflective bubble insulation r value.

Any additional r value is achieved by the use of dead air spaces around the reflective product or in used in conjunction with other mass insulation products like fiberglass foam etc. Although prodex total is not a foil faced bubble wrap we will answer the author s question because foil faced bubble wrap is a reflective insulation that deserves a defense. A simulated wall with 2x4 studs dry wall an air space and layer of reflectix. 400sqft double bubble reflective foil insulation 4 x 100 ft roll industrial strength commercial grade no tear radiant barrier wrap weatherproofing attics windows garages rv s ducts more 4 4 out of 5 stars 56.

Any bubble insulation that is approximately thick can only achieve an average r value of 1 to 1 5 on its own. Standard insulation is tested as a material with an r value per inch of thickness for example r 13 for 3 5 quot. Some products say r4 r6 or r8. Of owens corning fiberglass and r 5 per inch with foamular foam board.

Key benefits of this foil faced double bubble include. In contrast reflectix is always tested as part of an assembly e g. The approximate r value of the air space would be about 1. Double bubble insulation is the most effective bubble insulation with highest r value.

Our double bubble products are ideal for metal buildings where the control of condensation is necessary. It does as you point out change the conductive properties. Double bubble insulation provides the maximum efficiency and highest r value for bubble insulation. With multiple layers of product and airspaces between each layer enhanced performance will be gained.

The r value of reflective insulation is measured within a system. All our reflective double bubble products. 1 4 5 16 nominal thickness of foil bubble insulation. The r value of reflective insulation is not measured by the inch.

If you don t provide air space this product provides almost no insulating value. If the product is simply doubled with no air space between the layers a very minimal benefit is obtained r 1 1 per layer for the reflective double bubble. Are two layers of polyethylene industrialized air bubbles bonded between exterior. Insulation companies who make metallic bubble wrap or their distributors like to boast about their products attributes and often add the equivalent reflective r values to the conductive values giving an overall equivalent r value.

More buying choices 144 44 10 new offers. An r 1 1 is provided from the product itself for the reflective double bubble material.