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Pitched roof valley gutter detail.
A common misconception is that the mortar bedding is there to prevent water access.
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Maximum catchment areas for valley gutters are given in table 8 of e2 as1 for minimum roof pitch and gutter widths.
Where the roof pitch is between 8 12 5 the.
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The lowest course of tiles slates should not touch the roof membrane.
Part 3 of the four part guide to roof construction covers pitched roof detail.
To get the most out of it is helpful to also read parts 1 and 2.
Purpose made valley trough tiles should be supported by gutter boards where the roof uses single lap interlocking tiles they should be mechanically cut to the correct rake adjacent coverings should be neatly cut to form a smooth junction and preferably be cut from tile and a half tiles.
How to do a roof valley martin s roofing and guttering merton ltd for all your roofing needs.
Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
Part 1 a guide to roof construction covers an overview of flat and pitched roofs.
Roof problems valley gutters.
We use lots of sketches and photos in our building surveys.
Where a flat roof adjoins a pitched roof or where valleys or gutters occur the waterproof membrane should be carried up under the tiling to a height of 150mm above the flat roof valley or gutter and lapped by the roofing underlay.
We ve arranged our superb selection into grp valley troughs for tiled roofs and roof valley solutions for slate roofs.
