07130_-_underlaymentr.rtf

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Attached to
Tres Piedras Ranger District Warehouse Roof Replacement
Solicitation number
AG-83A7-S-10-0020
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Attachment - Specifications

Text of this file

07130 - 2 07130 - 1

SECTION 07130

ROOF UNDERLAYMENT

PART I GENERAL

RELATED WORK SPECIFIED ELSEWHERE

Section 01300 – Submittals
Section 07130 – Roof Underlayment
Section 07410 – Metal Roofing
SUBMITTALS

Submit manufacturer's literature, with samples, on vapor barrier to the COR for approval.

PRODUCT HANDLING

Materials shall be packaged, and property protected during delivery to, and storage on, the site.

PART 2 PRODUCTS

UNDERLAYMENT

GRACE Ice and Water Shield, self –adhesive cold applied High Density cross-laminated polyethylene 40 mil thick membrane with a rubberized asphalt adhesive. Tensile strength of 250 psi as determined by ASTM D412 (Die C Method) which meets the thermal stability standard ASTM D-1970, as manufactured by GRACE Construction Products, or approved equal.

PART 3 EXECUTION

INSTALLATION

Roof Underlayment
Install on top of exposed plywood decking over entire roof surface according to manufacturer’s recommendations.
Decking shall be free of all old felt paper and shall be swept clean of all dust , dirt, loose nails, and other debris.
Deck shall have no voids, damaged or unsupported areas.

Replace all damaged deck prior to installing underlayment.

Sheets that show any punctures or tears shall be removed and replaced at the Contractor’s expense.
PART 4 MEASUREMENT AND PAYMENT
MEASUREMENT

This work shall be measured by the square foot of roof underlayment installed and accepted.

PAYMENT

This work shall be paid under the following Pay Item:

PAY ITEM DESCRIPTION UNIT

07130(01) Roof Underlayment SQFT

END OF SECTION 07130

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