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The OFT/1F flat roof vent is suitable for use with soil systems
it can be used in a number of other applications including suspended timber ground floors
Use: A premium strength breathable roof underlay for cold and warm roof applications
The VELUX curved glass flat roof window is the first of its kind
with no naked flames
Marley Dry Fix Bonding Gutter Profile:Low Profile 70mm (MA40470) The OFT/1F flat roof ventDescription: Marley Bonding Gutters are an easy to install, lightweight and highly affordable way to reduce the need for mortar and lead at the junction between two different roof coverings. There are two versions available, depending on the tiles or slates being used. High profile (MA40471): For profiled concrete tiles on one or both sides Low profile (MA40470): For fibre cement slates, plain tiles, Edgemere, Modern and Ashmore interlocking tiles.