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Thermasheath

Rmax

Thermasheath

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Overview

Board Insulation Board Insulation

Foam Board Foam Board

Polyisocyanurate Polyisocyanurate

Ducts, Exterior Subterranean Wall, Roof, Sloped Ceiling, Specialty Ducts, Exterior Subterranean Wall, Roof, Sloped Ceiling, Specialty

In Cavity Wall, Unfinished Floor In Cavity Wall, Unfinished Floor

Design Options

Product Description

Rmax Thermasheath is an energy-efficient thermal insulation board composed of a closed-cell polyisocyanurate (polyiso) foam core bonded to reinforced aluminum foil facers with clear coating for limited protection against oxidation on each side.

Insulation

Width

Height

Thickness

Standard Sizes: 0-1/2", 0-3/4", 1", 1-1/4", 1-1/2", 1-3/4", 2", 2-1/4", 2-1/2", 3", 3-1/2", 4", 4-1/2"

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

6.4

NRC Value

The Noise Reduction Coefficient values of this product

Fire Resistance

Amount of time the product can withstand fire

minutes

60

Flame Spread

As defined by the ASTM E84 testing standard

75

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)

0.03

Product Density

lbs / ft^3

2

R-Value

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

°F·ft^2·h / BTU

3.2, 5, 6, 7.8, 9.6, 11.4, 13.1, 16.7, 20.3, 23.9, 27.4, 31

Compressive Strength

psi

20

Linear Shrinkage

The percent that a product shrinks, usually in response to heat.

%

1

Smoke Development

As defined by the ASTM E84 testing standard

450