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Full Product Manual

ManualsBrandsGCP Applied Technologies ManualsBuilding materialsGrace Ice and Water Shield HT 36 in. x 75 ft. Roll Roofing Underlayment (225 sq. ft.)
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• Do not install under copper, Cor-Ten
®
, or zinc metal
roong in high altitudes or in the desert southwest.
These roofs can reach extremely high temperatures
due to the low reectivity, high absorption, and high
conductivity of the metals.
• Provide proper roof insulation and
ventilation to help reduce ice dams
and to minimize condensation.
• Repair holes, shmouths, tears and damage to
product. Grace SYN 15
™
underlayment does not
self-seal open fastener penetrations.
• Use nails and staples ONLY with plastic or metal
caps.
• Do not install fasteners through the product over
unsupported areas of the structural deck, such as
over the joints between adjacent structural panels.
• Do not stretch Grace SYN 15
™
underlayment during
installation. The product should be pulled taut, but
should not be stretched.
www.graceresidential.com
www.graceconstruction.com
For technical assistance call toll free at 866-333-3SBM (3726)
Grace SYN 15 is a trademark of W.R. Grace & Co.-Conn. Cor-Ten is a registered trademark assigned to USX Corpora-
tion.
This trademark list has been compiled using available published information as of the publication date of this brochure
and may not accurately reect 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 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 2014. W. R. Grace & Co.–Conn.
UL-166C Printed in U.S.A. 02/14 GCS/PDF
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