Full Product Manual

Application
Apply primer in dry weather with ambient and substrate
temperatures above 40°F (5°C). Surface must be dry and
clean. Perm-A-Barrier Primer Plus can be applied by brush
or roller. Typical brushes and rollers designed for use with
latex paints may be used.
Coverage
Approximately 450-500 ft
2
/gal (11-12 m
2
/L) on glass-
mat faced gypsum sheathing such as DensGlass
®
Gold.
Coverage rates may vary depending on substrate type,
brand and roughness.
Drying
Allow Perm-A-Barrier Primer Plus to dry until surface
becomes tacky. Drying times may vary depending on
temperature and humidity conditions.
The product is packaged “ready to use.”
Do not use any substance to thin this product.
Protect from freezing.
Cleanup
Wet adhesive may be removed using soapy water. For dry
primer, citrus based cleaners may be used.
www.graceconstruction.com
For technical assistance call toll free at 866-333-3SBM (3726)
Perm-A-Barrier is a trademark of W. R. Grace & Co.–Conn. registered in the United States and other countries.
DensGlass is a registered trademark of Georgia-Pacic Gypsum, LLC., Securock is a registered trademark of
USG Corporation
We hope the information here will be helpful. It is based on data and knowledge considered to be true and accurate and
is offered for the users’ consideration, investigation and verication, but we do not warrant the results to be obtained.
Please read all statements, recommendations or suggestions in conjunction with our conditions of sale, which apply to
all goods supplied by us. No statement, recommendation or suggestion is intended for any use which would infringe any
patent or copyright. W. R. Grace & Co.–Conn., 62 Whittemore Avenue, Cambridge, MA 02140.
In Canada, Grace Canada, Inc., 294 Clements Road, West, Ajax, Ontario, Canada L1S 3C6.
This product may be covered by patents or patents pending. Copyright 2011. W. R. Grace & Co.–Conn.
PAB-101E Printed in U.S.A. 08/14 GCS/PDF
94