Flex TPO Для дома - Manual (Page 10)

MECHANICALLY ATTACHED MEMBRANE PLACEMENT
AND SECUREMENT
The substrate must be clean and dry prior to installing the Flex Roof
Membrane. The type of Flex fastener is dependent upon the deck type.
The specific type of approved fastener is found in the components
section of Flex’s Technical Manual if the proper fastener cannot be
determined contact the Flex Technical Service Department.
1-800-969-0108
Perimeter Sheet Attachment
The number of perimeter sheets, the fastening placement density, and
the field membrane securement is dependent on the wind uplift pressure
resistance required by the project specifications and physical location.
Contact the Flex Technical Service Department for assistance if required.
Field Membrane Securement
The field membrane sheets are positioned so that adjoining field
membrane sheets overlap 5-1/2” to 6” at those locations where
fasteners and plates are located, typically along the length of the
membrane. The end roll sections are also mechanically fastened and
overlapped 5-1/2” to 6” to cover the fastener and plate and provide
for an adequate hot air weld.
The membrane is secured at the approved fastener density with the
appropriate type of fastener approved for the deck and the wind uplift
pressure resistance. Unroll and position the sheet. Install a fastener and
plate in one end of the sheet on the appropriate fastener mark. Go to
the opposite end of the sheet and pull sheet into position along the lay
line and install a fastener and plate at the appropriate mark.
Place the remaining fasteners and plates. Hot air weld the seam and
continue in sequence installing the remainder of the sheets across the
roof area. Additional securement must be provided at the perimeter
of each roof level, roof section, expansion joint or roof divider, all roof
penetrations and curbs, adjacent walls and at any angle change where
the slope exceeds 2/12.
All seams must be completed by hot air welding the same day they
are installed. Thoroughly probe the seams with a seam probe and
repair any voids or defects discovered.
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