AtticFoil Radiant Barrier Foil Insulation | Bubble Foil Vapor Barrier Scams - False Claims About 11 R-Value By Other Products @AtticFoil | Uploaded April 2011 | Updated October 2024, 1 hour ago.
atticfoil.com/index.php/knowledge-zone/knowledge-zone-attic-foil-vs-other-products
How Does AtticFoil® compare to products like Solarguard, eShield insulation, bubble foil products, and other foil/foam/fiberglass type products. If you're looking for METAL BUILDING INSULATION, check out bluetexinsulation.com
Some products CLAIM to have an r-value of over 11 and are ONLY about 1/4" thick. What is never mentioned is that in order to get the R-11 value, the product MUST be installed INSIDE a 2 x4 wood frame and have 3/4" plywood on BOTH sides. It is the ENTIRE assembly or "system" that achieves an R-11 in a heat flow down test. This requires over 3 inches of "dead" air. The term "up to 11.6 R-value" is also used.
If you have a non-conditioned/semi-conditioned building, R-value isn't what you're looking for! Learn more here: bluetexinsulation.com/pages/r-value-of-bluetex-insulation
Radiant barrier products installed in a ventilated attic are NEVER installed in this method, therefore can not achieve an R-11 value as advertised.
In this video Ed Fritz - the owner of bluetexinsulation.com demonstrates how a total the R-11 test result is achieved. The R-11 is achieved by taking a product and incorporating it into a "system" or "assembly" using 2x4 wood framing and 3/4" plywood. The ENTIRE system is then tested for downward heat flow.
atticfoil.com/index.php/knowledge-zone/knowledge-zone-attic-foil-vs-other-products
How Does AtticFoil® compare to products like Solarguard, eShield insulation, bubble foil products, and other foil/foam/fiberglass type products. If you're looking for METAL BUILDING INSULATION, check out bluetexinsulation.com
Some products CLAIM to have an r-value of over 11 and are ONLY about 1/4" thick. What is never mentioned is that in order to get the R-11 value, the product MUST be installed INSIDE a 2 x4 wood frame and have 3/4" plywood on BOTH sides. It is the ENTIRE assembly or "system" that achieves an R-11 in a heat flow down test. This requires over 3 inches of "dead" air. The term "up to 11.6 R-value" is also used.
If you have a non-conditioned/semi-conditioned building, R-value isn't what you're looking for! Learn more here: bluetexinsulation.com/pages/r-value-of-bluetex-insulation
Radiant barrier products installed in a ventilated attic are NEVER installed in this method, therefore can not achieve an R-11 value as advertised.
In this video Ed Fritz - the owner of bluetexinsulation.com demonstrates how a total the R-11 test result is achieved. The R-11 is achieved by taking a product and incorporating it into a "system" or "assembly" using 2x4 wood framing and 3/4" plywood. The ENTIRE system is then tested for downward heat flow.
