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PermaWrap

Perma R Products

PermaWrap

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Overview

Mechanically Attached Membrane Mechanically Attached Membrane

Polymer Polymer

Sloped Ceiling, WRB (Weather/Water Resistant Barrier) Sloped Ceiling, WRB (Weather/Water Resistant Barrier)

Exterior Walls Only, Unfinished Floor Exterior Walls Only, Unfinished Floor

Design Options

Product Description

Air infiltration is the greatest threat to poor thermal performance. Permawrap reduces drafts, increasing comfort, and reducing energy loss. It seals gaps that may occur during construction.

Sheet Width

Width

Standard Sizes: 3' 0", 4' 6", 9' 6", 10' 0"

Height

Thickness

Sheet Length

Width

Height

Standard Sizes: 8' 4", 12' 6", 16' 3"

Thickness

Thickness

Width

Height

Thickness

Standard Sizes: 0"

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

Roll Tensile Strength

Weight needed to break the roll, per inch of width

lbs / in

40

Air Permeance

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

cfm /ft^2 @ 1.57 psf

12