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How to install DEKTITE flashings on metal roofs correctly part 1
Рет қаралды 4,226
Laying a new metal roof is easy..
Until you have to cut holes in it for pipes etc.
So, how do you flash small roof penetrations correctly?
In part 1 of our two part video, we explore the pitfalls of not understanding the behaviour of water on a roof.
Water will penetrate a DEKTITE flashing in devious ways....
@ando-p2h 4 ай бұрын
Why not put a capillary cut behind the dektite in corro ?
@roofingportal 4 ай бұрын
Not a good idea to place a pipe (and Dektite) on a lap in a corrugated roof. The lap drainage system is different on a corrugated roof compared with a 'Kliplok' type roof. Any penetration on a lap on a corrugated roof should be 'trayed' and the Dektite installed on the tray.
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