Pitched Roof Valley Gutter Detail

To get the most out of it is helpful to also read parts 1 and 2.

Pitched roof valley gutter detail. Mortar should not bridge the welt detail. To prevent direct contact between the lead and the mortar. Valley gutters are generally considered to be a problem area. The width of the open valley is dependent upon the roof pitch and the volume of water expected to drain into the gutter.

A valley gutter is where two main roofs meet or where there is a change in roof direction. Thin plywood linings are fitted over the valley boards to maintain a smooth finish under a lead lined valley. Proprietary gutter or valley systems. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings.

Table 11 gives the minimum recommended valley widths for different roof pitches and plan areas. Purpose made valley trough tiles should be supported by gutter boards where the roof uses single lap interlocking tiles. 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. Part 3 of the four part guide to roof construction covers pitched roof detail.

An eaves gutter is also known as an eavestrough especially in canada rhone eaves shoot eaves channel dripster guttering rainspouting or simply as a gutter. How to do a roof valley martin s roofing and guttering merton ltd for all your roofing needs. Proprietary gutter or valley. Detail drawings and specifications for submission to building regulations.

Where pitches are above 30. Water from a pitched roof flows down into a valley gutter a parapet gutter or an eaves gutter. The word gutter derives from latin gutta noun meaning a droplet. Section c cross section through alternative valley gutter detail to e2 as1.