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Radiant Barrier & Foil Insulation Applications

Exterior Walls, Ceilings, Crawlspace Applications

Application R-Value Description
Exterior 2″ x 6″ R-21 Total Assembly Foil Double Bubble Foil Visit Page
Exterior 2″ x 4″ Wall R-14 Total Assembly Foil Double Bubble Foil Visit Page
Basement or Masonry Wall R-3.7 to R-6.1 and a Vapor/Moisture Barrier Foil Double Bubble Foil Visit Page
Knee Wall R-16 and R-19 Foil Double Bubble Foil Visit Page
Basement Ceiling Insulation R-16 Foil Double Bubble Foil Visit Page
Crawlspace R-17 Foil Double Bubble Foil Visit Page
Crawlspace R-21 Foil Double Bubble Foil Visit Page

Under Concrete Slab and In Radiant Heat Applications

Application R-Value Description
Under Concrete Slab R-1.1 White Double Bubble Clear Visit Page
Radiant Heat in Concrete Slab R-1.1 White Double Bubble Clear Visit Page
Radiant Heat in Sub Floor R-4.6 White Double Bubble Clear Visit Page
Radiant Heat over Existing Floor R-1.1 White Double Bubble Clear Visit Page
Radiant Heat in Floor Joists R-17 to R-21 Foil Double Bubble Foil Visit Page
Snowmelt Systems R-1.1 White Double Bubble Clear Visit Page

Post Frame and Pole Barn Applications

Application R-Value Description
New Roof Above Purlin R-6.8 to R-4.3 Foil Double Bubble Foil Visit Page
New Roof Above Purlin – White Interior R-3.8 to R-3.5 White Double Bubble Reflective Visit Page
New Roof Below Purlin R-11 to R-4.4 Foil Double Bubble Foil Visit Page
New Roof Below Purlin – White Interior R-6.4 to R-3.7 White Double Bubble Foil Visit Page
Existing Roof Bottom of Purlin R-11 to R-4.4 Foil Double Bubble Foil Visit Page
Existing Roof Bottom of Purlin – White Interior R-6.4 to R-3.7 White Double Bubble Foil Visit Page
Existing Roof Bottom of Truss R-10 to R-3.7 Foil Double Bubble Foil Visit Page
Existing Roof Bottom of Truss – White Interior R-6.6 to R-3.0 White Double Bubble Foil Visit Page
New Wall Inside Girts R-6.3 to R-5.3 Foil Double Bubble Foil Visit Page
New Wall Inside Girts – White Interior R-4.2 White Double Bubble Foil Visit Page
New Wall Outside Girts R-5.5 to R-4.7 Foil Double Bubble Foil Visit Page
New Wall Outside Girts – White Interior R-3.7 White Double Bubble Foil Visit Page
Existing Wall Inside the Girts R-6.3 to R-5.3 Foil Double Bubble Foil Visit Page
Existing Wall Inside the Girts – White Interior R-4.2 White Double Bubble Foil Visit Page

Metal and Steel Building Applications

Application R-Value Description
New Roof with Thermal Break R-9.2 to R-4.1 Foil Double Bubble Foil Visit Page
New Roof with Thermal Break – White Interior R-5.5 to R-4.1 White Double Bubble Foil Visit Page
New Roof with No Thermal Break R-7.6 to R-3.9 Foil Double Bubble Foil Visit Page
New Roof with No Thermal Break – White Interior R-4.0 to R-3.2 White Double Bubble Foil Visit Page
Existing Roof with Furring R-11 to R-4.4 Foil Double Bubble Foil Visit Page
Existing Roof with Furring – White Interior R-7.5 to R-3.6 White Double Bubble Foil Visit Page
New Wall with Furring R-6.8 to R-5.6 Foil Double Bubble Foil Visit Page
New Wall With Furring – White Interior R-4.6 White Double Bubble Foil Visit Page
New Wall With No Thermal Break R-5.9 to R-4.7 Foil Double Bubble Foil Visit Page
New Wall With No Thermal Break – White Interior R-3.7 White Double Bubble Foil Visit Page
Existing Wall With Furring R-4.5 Foil Double Bubble Foil Visit Page
Existing Wall With Furring – White Interior R-3.5 White Double Bubble Foil Visit Page

HVAC Insulation: Duct Wrap, Pipe Wrap, Return Air, Etc.

Application R-Value Description
Duct Wrap – No Spacer R-4.2 Foil Double Bubble Foil Visit Page
Duct Wrap – Two Spacers R-6.0 Foil Double Bubble Foil Visit Page
Pipe Wrap Insulation R-2.0 Foil Double Bubble Foil Visit Page
Return Air Panning Not Applicable Foil Double Bubble Foil Visit Page
Hot Water Heater Insulation R-4.5 Foil Double Bubble Foil Visit Page

DIY Applications

Application R-Value Description
Attic Radiant Barrier Not Applicable Radiant Barrier or Foil Double Bubble Foil Visit Page
Housewrap Insulation R-3.5 to R-2.4 Radiant Barrier Visit Page
Insulate Workshop Varies – See Detail Foil Double Bubble Foil Visit Page
Garage Door Insulation R-3 Foil Double Bubble Foil Visit Page
Insulation Behind Hot Water Radiator R-3 and Radiant Reflector Foil Double Bubble Foil Visit Page
Insulate Wine Room R-6.1 to R-3.7 Foil Double Bubble Foil Visit Page
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