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Kraft- and Foil-Faced , Unfaced Fiberglass Insulation

Johns Manville Roofing Systems

Kraft- and Foil-Faced , Unfaced Fiberglass Insulation

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Overview

Blanket Insulation Blanket Insulation

Fiberglass Fiberglass

Ceiling, Crawl-Space Ceiling, Exterior Subterranean Wall, Floor, Sloped Ceiling Ceiling, Crawl-Space Ceiling, Exterior Subterranean Wall, Floor, Sloped Ceiling

Unfinished Floor Unfinished Floor

Design Options

Product Description

Formaldehyde-free Kraft-faced thermal and acoustical insulation offers R-Values up to R-49, and is offered in precut batts to fit standard wall cavities or rolls for custom installation in any size cavity. Kraft-faced insulation is ideal for moisture control in exterior walls, reduces sound transmission through walls, ceilings and floors, and can be used in a variety of wood-framed, engineered wood and steel frame construction applications, including new construction and retrofit.

Insulation

Width

Standard Sizes: 1' 3", 1' 4", 1' 7", 1' 11", 2' 0"

Height

Standard Sizes: 4' 0", 7' 9", 7' 10", 8' 0", 8' 9"

Thickness

Standard Sizes: 3-1/2", 5-1/2", 6-1/2", 7-1/2", 8-1/4", 10-1/4", 12", 12-1/2", 13-1/2"

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

3.14

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

50

R-Value

Measure of the thermal resistance of the product, imperial units.

°F·ft^2·h / BTU

11, 13, 15, 19, 20, 21, 22, 23, 25, 30, 38, 49

Flame Spread

As defined by the ASTM E84 testing standard

25

Johns Manville Roofing Systems