Double Bubble Reflective Foil Insulation R Value

Key benefits of this foil faced double bubble include.

Double bubble reflective foil insulation r value.

Convection mass air transport conduction by touch radiation. The r value of an assembly that includes foil faced bubble wrap could be significantly higher. Heat moves by 3 methods. R value is roughly 6 8 when used in a wall.

The foil face bubble wrap manufacturers may have a fantastic product but they unfortunately market their product to an industry that is unaware of codes that restrict its use. In contrast reflectix is always tested as part of an assembly e g. With multiple layers of product and airspaces between each layer enhanced performance will be gained. 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. The main one in the latter category is foil faced bubble wrap sold as insulation. For exact specifications per application contact the vendor. So by that logic if you wrap ducts with the double bubble foil then you would have your r 6.

Double bubble insulation provides the maximum efficiency and highest r value for bubble insulation. Are two layers of polyethylene industrialized air bubbles bonded between exterior. Generally the following values are a good. Our double bubble products are ideal for metal buildings where the control of condensation is necessary.

Standard insulation is tested as a material with an r value per inch of thickness for example r 13 for 3 5 quot. 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. However we see claims of up to r 14 for some bubble products.

R value is roughly 10 6 when used in a ceiling. All our reflective double bubble products. The r value is dependent upon the type of application used. Insulation s r value is a measurement how much resistance against conduction.

The more airspace in the product the better it is at slowing heat transfer. R value is roughly 5 3 when used in a floor. If you are. Double bubble insulation is the most effective bubble insulation with highest 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. The r value of foil faced bubble wrap is about one. If you read the fine print this rating is always achieved as part of an overall assembly which usually includes a lot of dead air spaces.