Double Reflective Insulation R Value

Double reflective insulation r values range from r 3 7 to r 17.

Double reflective insulation r value. With multiple layers of product and airspaces between each layer enhanced performance will be gained. The ability to stop heat transfer. Double reflective insulation bp48025 48 x 25 100 sq. Are two layers of polyethylene industrialized air bubbles bonded between exterior.

No mess no itchy fibers. 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. A comparable roll of reflective insulation cost 43 cents per square foot at the same location. Thd sku 469837.

Any bubble insulation that is approximately thick can only achieve an average r value of 1 to 1 5 on its own. 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 product. Reflective insulation is a system that reduces the transfer of heat across air space by the use of two surfaces having high thermal reflectance and low emittance typically metalized film. Double bubble insulation is the most effective bubble insulation with highest r value.

If you install 2 layers of a reflective insulation does the r value double. The rubber meets the road on reflectix s website where it says no air space no reflective insulation benefit. Though exact prices will vary by store and region this price ratio is fairly consistent meaning you. Our double bubble products are ideal for metal buildings where the control of condensation is necessary.

Double reflective insulation bp48100 48 x 100 400 sq. Air space equals r value. If you don t provide air space this product provides almost no insulating value. R values depend on application.

An r 1 1 is provided from the product itself for the reflective double bubble material. The r values of reflective insulation and mass insulation are based on the same fundamental equation. Reflectix 4 ft. Class a class 1 fire rating.

All our reflective double bubble products.