All of our information is sourced from manufacturer data.

R+

MSL

R+

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Overview

Vapor Retarder (Class I) Vapor Retarder (Class I)

Factory Applied (Integral Sheathing) Factory Applied (Integral Sheathing)

Proprietary Material Proprietary Material

Ceiling, Sloped Roof, Wall Ceiling, Sloped Roof, Wall

Concrete, Masonry Concrete, Masonry

Design Options

Product Description

R+ is a fiberboard panel with an integrated aluminum vapor barrier which provides an excellent barrier against air and moisture while enhancing the soundproofing of your home. The R+ panel prevents moisture produced by occupants from migrating into the walls of your home, keeping them dry and free from mold. Rigid and non-friable, the R+ panel allows professional installation while offering optimum energy efficiency.

Sheet Width

Width

Standard Sizes: 4' 0"

Height

Thickness

Sheet Length

Width

Height

Standard Sizes: 8"

Thickness

Thickness

Width

Height

Thickness

Standard Sizes: 0-1/2"

Performance Data

Product Weight Per Area

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

R-Value

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

°F·ft^2·h / BTU

4.3

Roll Tensile Strength

Weight needed to break the roll, per inch of width

lbs / in

330

Air Permeance

Rate of airflow through the barrier per square foot at a specified pressure difference

cfm /ft^2 @ 1.57 psf

0.00006

MSL

161, rue St-Paul, C.P. 38 Louiseville J5V 2L6

819 228-2789

https://www.mslfibre.com