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Johns Manville Roofing Systems
AP Foil-Faced Foam Sheathing
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Overview
Board Insulation
Foam Board
Polyisocyanurate
Roof, Sloped Ceiling
Design Options
Product Description
Insulation
Width
Standard Sizes: 4' 0"
Height
Standard Sizes: 8' 0", 9' 0", 10' 0"
Thickness
Standard Sizes: 0-1/2", 0-3/4", 1", 1-1/2", 2", 2-1/2", 3", 3-1/2", 4", 4-1/2"
Manufacturer Design Notes
AP Foil-Faced Polyiso Continuous Insulation is nonstructural. The walls must be braced in accordance with the requirements of the applicable code.
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
6
NRC Value
The Noise Reduction Coefficient values of this product
Fire Resistance
Amount of time the product can withstand fire
Dimensional Stability
The percent that a product's dimensions vary due to aging or environmental conditions.
%
4
Flame Spread
As defined by the ASTM E84 testing standard
25
Compressive Strength
psi
16
Tensile Strength
psf
500
R-Value
Measure of the thermal resistance of the product, imperial units.
°F·ft^2·h / BTU
2.9, 5, 6, 9.3, 13, 16, 19, 22, 26, 28
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
450
Johns Manville Roofing Systems
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