495 KeyGuard™ VIEW PDF

Roll-On Weather Barrier MESH & ACCESSORIES INDEX  |  VIEW MSDS  |  VIEW TECHNICAL MEMO
 
KeyGuard 495
KEYGUARD 495
DESCRIPTION:
100 percent acrylic elastomeric weather resistive barrier membrane which can be rolled, brushed or spray applied
Extremely flexible: can bridge cracks and accommodate small movements up to 1/32 in. (.8 mm)
Designed for use as weather resistive barrier behind EIFS

USES:
Weather barrier coating for application to glass mat gypsum sheathing board, USG Fiberock AquaTough™, exterior-grade gypsum sheathing, CDX plywood, and cement board sheathing for Parex Water Master Commercial VR System
Contact the Parex Technical Services Department for further options

COMPOSITION:
Binder base: 100 percent acrylic Elastomeric polymer with surface-hardening property
Water base: VOC compliant
Solids:
By weight: 68 percent
By volume: 54 percent
Color: Light Blue
Appearance: Flat non-glass smooth finish

TESTING:
Adhesion: Excellent adhesion to compatible, properly prepared surfaces. Adhesion bond to glass mat gypsum sheathing board (ASTM C 297) 24 psi (165 KPa)
Water-Vapor Transmission: Does not create a vapor retarder (ASTM E96): greater than 12 Perms
Mandrel Bend: 1/8 in. (ASTM C 711-71): Passes at -30°F (-22°C)
Tensile Strength (ASTM D 412): 160 psi
Elongation: 360% at 70°F (21°C)
Water-Penetration (ASTM E331): Pass
Water-Resistance (TTC 555B): Pass
Water-Resistance (AATCC 127): Pass
55 cm Head of Water (5 hrs)
185 cm Ulimate

Product Data Sheet:
This information is designed to guide you and has been conscientiously compiled according to the latest state of our technology. No liability can be accepted with the use of the product because of the great variety of applications and working conditions.

 

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