GreenGuard RainArmor
Building Wrap

GreenGuard RainArmor Building Wrap Housewrap

For use as an Air Barrier, Water-Resistive Barrier in construction environments where optimum barrier performance is required

Kingspan GreenGuard RainArmor™ Building Wrap is a non-woven, non-perforated drainage building wrap approved for residential and commercial buildings 4 stories and below. It prevents water penetration by channeling water away from your structure, while providing a breathable barrier technology. Stays UV-resistant up to 6 months and does not snag with nails, tools or equipment.

Product Brochure

GreenGuard RainArmor Building Wrap Product Sheet

Product Information

Product Data Table
Installation Guide
Property Test Method Value
Nominal Thickness (in / mils)  

0.033 / 33

Nominal Width (ft)   9 / 10
Weight (lb / 1,000 ft2) ASTM D3776 22.5
Tensile Strength (MD / TD)1
(lb / in)
ASTM D5034 51 /40
Water Resistance
ASTM D779 > 60
Water Vapor Permeance
(Dessicant Method)

Drainage Efficiency ASTM E2273
> 98%
Air Permeance
(L/s/m2@75 Pa)
(cfm/ft2@1.57 psf)
ASTM E2178
≤ 0.02
≤ 0.004
Fire & Smoke
Flame Spread2
Smoke Developed2
ASTM E84 ≤ 25 (Class A)
≤ 450
1 Machine Direction / Cross Direction.
2 These numerical flame spread and smoke developed ratings are not intended to reflect hazards presented by this material under actual fire conditions. All applicable building codes must be followed.
GreenGuard Building Wrap and Flashing_Installation Guide_US_CA_IMG

GreenGuard Residential & Light Commercial Installation Guide for Building Wrap & Flashing

GreenGuard Building Wrap_Commercial Applications_Installation Guide_US_CA_IMG

GreenGuard Commercial Installation Guide

GreenGuard RainArmor Building Wrap_Submittal_GG_US_1807-Interactive_Page_1

GreenGuard RainArmor Building Wrap Submittal

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Kingspan Insulation North America

Head Office & Sales Office – North America

Kingspan Insulation LLC

2100 Riveredge Parkway, Suite 175

Atlanta, Georgia



Call: +1(800) 241 4402