Pitched Roof Valley Gutter Detail

How to do a roof valley martin s roofing and guttering merton ltd for all your roofing needs.

Pitched roof valley gutter detail.

The word gutter derives from latin gutta noun meaning a droplet. Detail drawings and specifications for submission to building regulations. Part 3 of the four part guide to roof construction covers pitched roof detail. Details for pitched roofs and flat roofs verge detail eaves detail mansard roof valley detail etc.

Section c cross section through alternative valley gutter detail to e2 as1. Fascia board cut down for valley gutter overhang corrugated metal roofing 80 mm overhang to valley gutter 20 mm minimum valley gutter upstand 50 mm minimum depth of valley gutter spouting 250 mm minimum overall valley gutter width 20 mm cut out to fascia valley rafter. Mortar should not bridge the welt detail. To prevent direct contact between the lead and the mortar.

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. Thin plywood linings are fitted over the valley boards to maintain a smooth finish under a lead lined valley. To get the most out of it is helpful to also read parts 1 and 2. Valley gutters are generally considered to be a problem area.

Table 11 gives the minimum recommended valley widths for different roof pitches and plan areas. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings. The width of the open valley is dependent upon the roof pitch and the volume of water expected to drain into the gutter. Proprietary gutter or valley.

Water from a pitched roof flows down into a valley gutter a parapet gutter or an eaves gutter. The valley gutter problem areas can be made worse where there are surrounding trees and associated leaves and branches that can block the valley gutters up. Proprietary gutter or valley systems. Where pitches are above 30.