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7.7
General Information on Flashings and Trims
7.7.1
Roof Edges / Drips /Trims – Mechanically Fastened System
Whenever possible, external roof edges shall be constructed using
Monarplan® Coated Metal.
Separate lengths of the Monarplan® Coated Metal drip trim are
butt jointed. The sheets should be fastened with two rows of
fasteners, typically screws, at 150 mm staggered centers. A 5 mm
gap should be left to allow for expansion of the metal.
The joints should then be taped with a 50 mm wide duct or crepe
tape.
The joint should then be strapped with 150 mm wide Monarplan®
D Unreinforced Flashing, hot-air welded to the coated metal with
a 20 mm weld.
Insulation Board
Heat weld 150 mm wide
strip of non-reinforced
membrane over joint
Depending on the construction detail, the edge of the roof
should be made air-tight. A strip of suitable sealant should
be installed along the edge beneath the coated metal. If a
compatible vapour control layer is specified, then the vcl can dress
Mechanically fastened System
(1)
Monarplan® FM reinforced membrane
(2)
Insulation Board
(3)
Vapour Control Layer
(4)
Air-tight Sealant strip
(5)
Hot-air weld, min 20 mm
(6)
Monarplan® Coated Metal Sheet
(7)
Substrate.
screw fix 150 mm
1
centres
50 mm wide tape
over 5 mm joint
Coated Metal Sheet
Min 0,6 continous cleat
3
Reinforced membrane
field sheet heat welded to
coated metal
up onto the timber edge batten, and again, be terminated with
a strip of sealant. Consult Icopal's standard drawings for further
information on www.icopal-synthetic.eu/download/cad-library.
Monarplan
®
Installation manual
2
4
062014V1
33
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