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Section 074100 Metal Roof Panels

Accessories

A.

Panel shall be attached to substrate at a maximum spacing of 60"

B,

All fasteners for panel, trim, and structural member attachment must be a specialty fastener with an anti-back out thread design and must be supplied by the metal roof system manufacturer, The fastener shall be painted to match the existing panel color.

C,

Trim and flashing will be of the same gauge and finish unless approved otherwise by the metal roof system manufacturer.

2.4

D, Sealants and Sealant Tapes will be specified and supplied by the metal roof and wall system manufacturer

Part 3 - Execution

3.1

Substrate Inspection & Underlayment

A.

Determine, with the presence of the installer, that structural conditions are satisfactory for panel and trim installation,

S

.

Install 70 Ib, Underlayment over deck and Peel/Stick Ice & Water under valleys and ridges

3,2

Panel Installation

A.

Protective film should be removed prior to extended exposure to sunlight, heat, and other

weather elements

B,

Panels should be handled at seams to prevent buckling

C.

Consult with adjoining trades to prevent unnecessary damage to the finish

D,

Install continuous length panels plumb, level, and straight with seams and ribs parallel

E.

Install panels without excessive waves, warps, or buckles

3,3

Panel and Flashing Installation

A.

All trim shall be installed using manufacturer's instructions

the

fastener

type

and

spacing

in

accordance

with

B,

Fabricate and install sheet metal flashing in accordance with SMACNA manual

C,

In the process of sheet metal installation, allow no sealant to migrate onto exposed surfaces

D,

Any damaged product should be removed and replaced immediately upon recognition

E.

Touch up paint should be used minimally for minor scratches. Major scratches or paint failures shall be recognized at damaged and require replacement

F.

Clean exposed surfaces upon completion of installation to prevent finish damage

End of Section 07 41 00

3

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