Reflective Bubble Insulation R Value

An r 1 1 is provided from the product itself for the reflective double bubble material.

Reflective bubble insulation r value.

Some products say r4 r6 or r8. The r value of reflective insulation is not measured by the inch. The rubber meets the road on reflectix s website where it says no air space no reflective insulation benefit. In contrast reflectix is always tested as part of an assembly e g.

Of owens corning fiberglass and r 5 per inch with foamular foam board. A simulated wall with 2x4 studs dry wall an air space and layer of reflectix. After all the trouble of trying to keep the bubble wrap off the ducts the total r value would be 2 instead of 1 which may be insufficient to prevent condensation under some conditions. The r value of reflective insulation is measured within a system.

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. Double bubble insulation provides the maximum efficiency and highest r value for bubble insulation. 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. Air space equals r value.

If you install 2 layers of a reflective insulation does the r value double. Our double bubble products are ideal for metal buildings where the control of condensation is necessary. The approximate r value of the air space would be about 1. Are two layers of polyethylene industrialized air bubbles bonded between exterior.

1 4 5 16 nominal thickness of foil bubble insulation. It does as you point out change the conductive properties. More buying choices 144 44 10 new offers. 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.

Key benefits of this foil faced double bubble include. With multiple layers of product and airspaces between each layer enhanced performance will be gained. If you don t provide air space this product provides almost no insulating value. All our reflective double bubble products.

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. Double bubble insulation is the most effective bubble insulation with highest r value.