Full Product Manual
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For additional information on Grace’s Residential Waterproofing, call: 1-866-333-3SBM
GRACE® is a trademark, registered in the Unites States and/or other countries, of W. R. Grace & Co.-Conn. GRACE Syn 15™ is a trademark of W. R. Grace & Co.-Conn. is
trademark list has been compiled using available published information as of the publication date of this brochure and may not accurately reect current trademark ownership
or status. Grace Construction Products is a business segment of W. R. Grace & Co.-Conn.
We hope the information here will be helpful. It is based on data and knowledge considered to be true and accurate and is oered for the users’ consideration, investigation and
verication, 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.
Copyright 2014. W. R. Grace & Co.–Conn. UL-174A Printed in U.S.A. 12/14 GCS/PDF
Light Weight
Grace
®
SYN 15
™
synthetic underlayment
weighs half of #15 felt,
enabling fast and easy
installation
Stronger (10 times) —
Withstands higher wind conditions
Protection against costly repairs
More coverage
per roll (2.3 times) —
Increased efficiency
Labor savings
Slip resistant surface —
Provides superior foot traction
Safer installation
100% Recyclable —
Contributes to sustainability &
LEED
Vulnerable to wind —
Higher chance for rework
Less coverage —
Requires more rolls to cove
the same amount of area
Less slip resistant—
Can be slippery when wet
Cannot be Recycled
GRACE
®
SYN 15
™
#15 FELT
Why GRACE SYN 15
™
Roofing Underlayment?
GRACE
Roll Coverage 10 square
Roll Weight 20 lbs
16