Full Product Manual

Grace Air & Vapor Barriers
PERM-A-BARRIER
®
WB PRIMER
Water-based primer for use with Perm-A-Barrier
Flashings, Detail Membrane and Wall Membrane
Description
Perm-A-Barrier
®
WB Primer is a water-based primer which
imparts an aggressive, high tack nish on the treated substrate.
It is specically designed to facilitate tenacious adhesion of
Perm-A-Barrier Flashings, Perm-A-Barrier Detail Membrane and
Perm-A-Barrier Wall Membrane
to various substrate including glass-mat faced gypsum sheathing.
Refer to Technical Letter 2, Substrate Preparation for Application
of Perm-A-Barrier Products to Glass-Mat Faced Gypsum
Sheathing for priming requirements on specic glass-mat faced
sheathing products.
Advantages
• Excellent adhesion—bonds to substrate and binds dust
• Aggressive tack—provides a tenacious bond to difcult
substrates such as DensGlass Gold and other glass faced wall
boards
• Fast drying—increased exibility for application schedule
• Fast and easy application—by brush or roller
• VOC compliant—water-based, contains no hazardous or
ammable solvents
• Low odor—no noxious fumes
Use
Perm-A-Barrier WB Primer can be used at 25°F
(-4°C) or above. It will freeze at 21°F (-7°C) and can no longer
be used after it freezes.
Availability
Perm-A-Barrier WB Primer is available in
1 gallon jugs and 5 gallon plastic pails.
Installation
Safety, Storage and Handling
Information
Perm-A-Barrier WB Primer is nonammable. Material Safety
Data Sheets (MSDS) are available at graceconstruction.com and
users should acquaint themselves with this information.
Carefully read detailed precaution statements
on product labels and the MSDS before use.
Store above freezing 32°F (0°C).
The VOC (Volatile Organic Compound) content is 10 g/L and
it meets the U.S. EPA Volatile Organic Compound Emission
Standard for Architectural Coatings.
Architectural and Industrial Maintenance Regulations limit the
VOC content in products classied as Architectural Coatings.
Refer to Technical Letters at graceconstruction.com for most
current list of allowable limits.
Product Advantages
• Excellent adhesion
• Aggressive tack
• Fast drying
• Fast and easy application
• VOC compliant
• Low odor
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