Valleys shall have suitable weathering details including flashings to resist the passage of moisture to the inside of the building.
Roof valley gutter construction details.
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.
This valley has seen its better days but the.
Cover valley with a strip of underlay not less than 600mm wide underlapping general underlay.
Proprietary gutter or valley systems.
Note that it is not.
Purpose made valley trough tiles should be supported by gutter boards where the roof uses single lap interlocking tiles.
Flashing a humpy old roof valley requires a little give and take and a backup plan.
To get the most out of it is helpful to also read parts 1 and 2.
Cut adjacent tiles and tile and a half tiles so that valley tiles course in and fit neatly.
Part 1 a guide to roof construction covers an overview of flat and pitched roofs.
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.
Here are a few pointers.
Part 3 of the four part guide to roof construction covers pitched roof detail.
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.
Valley gutters detailing around the intersection of a valley gutter and a fascia board can be a little tricky.
Valley with valley tiles ensure that continuous support is provided for ends of tiling battens on each side of valley.
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.