All of our information is sourced from manufacturer data.

Hunter Panels
Hunter Xci Foil
One-Click Request
Overview
Rigid Panels
Polyiso (Polyisocyanurate)
Exterior or Interior Wall Insulation
Design Options
Product Description
Insulation
Width
Standard Sizes: 1' 4", 2' 0", 4' 0"
Height
Standard Sizes: 8' 0"
Thickness
Standard Sizes: 1", 1-1/2", 2", 2-1/2", 3", 3-1/2", 4"
Manufacturer Design Notes
Can be applied to the exterior or interior of exterior walls, when separated from the interior by a 15-minute thermal barrier. Xci Foil may also be applied directly to oil based waterproofing adhesives.
Performance Data
R-Value Per Inch
Measure of the thermal resistance of the product per inch of thickness, imperial units.
°F·ft^2·h / BTU / inch
7
NRC Value
The Noise Reduction Coefficient values of this product
Fire Resistance
Amount of time the product can withstand fire
Water Vapor Transmission
An imperial perm is defined as 1 grain of water vapor per hour, per square foot, per inch of mercury
perm (imperial)
0.05
Smoke Development
As defined by the ASTM E84 testing standard
Units: (unitless)
450
Minimum Recycled
The minimum amount of the product's input materials that come from recycled sources
%
9
Flame Spread
As defined by the ASTM E84 testing standard
Units: (unitless)
75
Compressive Strength
psi
20
More to Explore
All Window Categories
Discover more than 100 curated collections of windows to inspire your next project.
Cost Estimator
Understand how the frame material, type, and glazing affect a window’s cost & see price ranges.
3-Part Specs
Download manufacturer specs from more than 7,000 residential & commercial windows.