Roof Valley Gutter Detail

Design right by alide elkink freelance technical writer wellington cross sectional details for valley gutters are given in both acceptable solution e2 as1 and the nz metal roof and wall cladding code of practice.

Roof valley gutter detail.

Roof valleys are like gutters with a steep pitch but the stakes are higher for valleys than they are for gutters. Roof valleys are like gutters with a steep pitch but the stakes are higher for valleys than they are for gutters in a previous video we covered how to flash roof edges before shingling. The nz metal roof and wall cladding code of practice also recommends increasing the minimum depth of the valley gutter to 75 mm where the roof pitch is between 8 12. Strap hung gutter on sloping roof.

The width of the open valley is dependent upon the roof pitch and the volume of water expected to drain into the gutter. Parapet and tapered gutters our basic fitting guides are designed to assist installing rolled lead sheet in a range of roofing applications including flashings valleys gutters and flat roofing. The continuous copper apron strip is fastened to the gutter with a single lock seam and is nailed to the roof with copper nails 12 o c. Valleys shall have suitable weathering details including flashings to resist the passage of moisture to the inside of the building.

Copper braces of 32 oz. Purpose made valley trough tiles should be supported by gutter boards where the roof uses single lap interlocking tiles. Copper are alternately spaced with copper brackets at 30 o c. This detail illustrates an alternate method of attaching copper gutters on sloped roofs.

Thin plywood linings are fitted over the valley boards to maintain a smooth finish under a lead lined valley. First clean the debris out of the valley including sawdust nails and whatever else is in there. Table 11 gives the minimum recommended valley widths for different roof pitches and plan areas. Here are a few pointers.

How to do a roof valley martin s roofing and guttering merton ltd for all your roofing needs. In this video we ll flash the valley. Valley gutters detailing around the intersection of a valley gutter and a fascia board can be a little tricky. Downpipe for catchment over 50 m 2.

Flashing a humpy old roof valley requires a little give and take and a backup plan. In a previous video we covered how to flash roof edges before shingling. 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. Figure 3 section c cross section through alternative valley gutter detail to e2 as1.