Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings.
Pitched roof valley gutter detail.
1stassociated co uk surveyors can provide help and advice with regard to property reports building surveys structural surveys independent valuations structural reports engineers reports specific defects report home buyers reports or any other property matters.
Calder lead sheet and flashing conforms to the new european standard.
Proprietary gutter or valley systems.
Flashing a humpy old roof valley requires a.
Part 3 of the four part guide to roof construction covers pitched roof detail.
If you can t find it here give our friendly customer services team a call on 01752 692760 and they ll be glad to help you.
Where the roof pitch is 12 5 or greater the.
Catchment area must be no more than 25 m gutter must be at least 250 mm wide.
Bs en12588 replaced bs1178 in august 1999.
Mt21 hip gutter valley details 25 mt22 steep pitch roof valley valley details 26 mt23 eaves standard gutter eaves details 23 mt24 fascia height eaves details 24 mt25 fire wall detail general details 5.
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.
Maximum catchment areas for valley gutters are given in table 8 of e2 as1 for minimum roof pitch and gutter widths.
Valleys and the components used should.
Architectural drawings 3 not to scale all technical files in this manual are subject to our disclaimer see page 1.
Roof problems valley gutters.
Valleys shall have suitable weathering details including flashings to resist the passage of moisture to the inside of the building.
Where the roof pitch is between 8 12 5 the.
Table 11 gives the minimum recommended valley widths for different roof pitches and plan areas.
The width of the open valley is dependent upon the roof pitch and the volume of water expected to drain into the gutter.
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Part 1 a guide to roof construction covers an overview of flat and pitched roofs.
Open metal valley details for asphalt roofs.
7 2 21 valleys and hidden gutters.
Pitched valley gutters 19 box and tapered gutters 20 secret gutters 21 flat roof coverings 22 window flashings 23 contents note.
To get the most out of it is helpful to also read parts 1 and 2.
We use lots of sketches and photos in our building surveys.
Gutter catchment area must be no more than 16 m.
Important 4 this booklet is a guide to the correct detailing and fixing of lead sheet flashings.