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For additional information on Grace’s Residential Waterprooﬁng, call: 1-866-333-3SBM

GRACE® and Tri-Flex® are trademarks, registered in the Unites States and/or other countries, of W. R. Grace & Co.-Conn. is trademark list has been compiled using avail-

able 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 oered 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.

Roll Coverage 10 square

Roll Weight 28 lbs

Exposure 180 days

20 Times

Stronger than

Felt

Grace Tri-Flex

roong

underlayment can

withstand high wind

conditions, providing

peace of mind against

costly reworks.

More coverage per roll (5 times)—

Increased efficiency

Labor Savings

Durable –

Long exposure time allows temporary “dry

in” of structures for up to 6 months

Flexible construction schedules

Lighter weight—

Fast and easy installation

Saves time & labor costs

Slip Resistant Surface—

Superior foot traction

Safer installation

Less coverage—

Requires more rolls to cover

the same area

Less durable—

Exposure degrades

quality of felt

Double weight—

Difficult to handle

during installation

Less slip resistant—

Can be slippery when wet

GRACE

TRI-FLEX

#30 FELT

Why GRACE TRI-FLEX

Rooﬁng Underlayment?

GRACE