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Self-Adhered Butyl Flashing

One of the primary causes of water damage in walls is leakage around windows, doors, and other openings. Deflect this water with GreenGuard high-performance butyl flashings. Both straight GreenGuard Flashing and GreenGuard SuperStretch™ Flashing conform well to irregular surfaces, eliminating gaps that could create water canals. And they adhere across a full range of installation temperatures, ensuring effectiveness in all climates. Straight flashing offers long-lasting adhesion on wood, polystyrene sheathings, and building wraps. SuperStretch Flashing stretches in any direction and sticks tight, making it easy to use and effective in covering curved surfaces and corners. Application is peel and stick, with a split backer for added convenience.

Typical Physical Properties
Property
GreenGuard
Flashing

GreenGuard
SuperStretchTM Flashing

Thickness
(inches)
(mils)

0.020
20

0.052
52
Facer Type
PolyesterRubber (EPDM)
Adhesive Tape
ButylButyl
Split Release Liner
YesYes
Application Temperature  (ºF)
25-120

25-120

Service Temperature  (ºF)
0-1580-158
UV Exposure (days)
120120
Water Resistance
AATCC-127
(Minimum 1.2 inc. for 24 hrs.)
Pass
Pass
Water Resistance
ASTM D 779
(Minimum 24 Hours)
>24
>24
Water Resistance/Wall Assembly1
ASTM E 331
(2 hrs. @ 300 Pa/50mph)
Pass
Pass
Pell Adhesion
ASTM C 794
(% of original adhesion)
>75
>75
Pliability
ICC-ES Acceptance
Criteria AC148, Sec. 4.6
(no cracking @ 32oF)
Pass
Pass


Dimensions / Packaging

GreenGuard
Flashing

GreenGuard
Flashing
GreenGuard
Flashing
SuperStretchTM
Flashing
SuperStretchTM
Flashing
Roll Size4" x 82'6" x 82'9" x 82'7" x 33'9" x 33'
Rolls/Case10

8

44242


1 GreenGuard® Flashings were installed in wall systems in which they were attached directly to foam plastic insulative sheathing or to an approved water-resistive barrier (building wrap or housewrap).
2 Rolls individually boxed in dispenser carton.

Disclaimer

Commercial Applications

Commercial Products

The best tools for moisture-resistant and energy-efficient structures.

When your design requires insulation on the exterior of the walls, the foundation, or the slab, you’ll find a GreenGuard extruded polystyrene (XPS) insulation board to meet every need. When an air barrier is specified for protection from air and moisture, you are sure to find a GreenGuard building wrap that is a perfect fit for the application. Our commercial line also includes butyl flashing, waterproofing protection board, and roofing recovery board to meet your full range of project requirements. Plus GreenGuard is green beyond the color. Our XPS boards contain up to 30% post-industrial recycled materials. And our products contribute to your LEED qualification with points for Energy and Atmosphere, Materials and Resources, and Indoor Environmental Quality. Let GreenGuard provide the products you need to accomplish your design and construction goals.

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