Part 1 a guide to roof construction covers an overview of flat and pitched roofs.
Pitched roof valley gutter detail.
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The lowest course of tiles slates should not touch the roof membrane.
Where the roof pitch is between 8 12 5 the.
We use lots of sketches and photos in our building surveys.
Maximum catchment areas for valley gutters are given in table 8 of e2 as1 for minimum roof pitch and gutter widths.
We ve arranged our superb selection into grp valley troughs for tiled roofs and roof valley solutions for slate roofs.
Roof problems valley gutters.
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.
One of the areas of a pitched roof most prone to leakage if not constructed properly is the valley.
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.
It is an area where water is directed towards rather than away from therefore correct detailing and construction is essential.
How to do a roof valley martin s roofing and guttering merton ltd for all your roofing needs.
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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.