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Valley detail metal roof.
When installing metal valley flashing there are a few things to keep in mind from cutting metal roofing to sealing the flashing.
Use roof valley cleats at intervals of 24 o c.
Some roof conditions such as valleys may require a longer endlap and or a larger flashing to properly drain moisture from the roof.
Pipe penetration w iso details.
How to secure metal roof valley by clips cleats or edge trapping roofing nails the installer fabricates simple clips or valley flashing cleats whose bent edge interlocks with the folded over or hemmed edges of the metal roof valley flashing to secure the valley to the roof deck.
Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs.
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.
Adds detail and helps to direct water.
How to cut metal roofing to fit valleys.
These items can be fabricated in many different profiles.
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Eave detail w gutter 1.
Valleys are a very important part of a well designed roofing system.
Fold the top over the roof ridge and cut the bottom along the drip edge metal.
Factors that influence flashing size shape and endlap requirements include roof pitch roof geometry slope length and climatic factors such as heavy snowfall or rainfall.
With a clean valley you can lay down some peel and stick roofing membrane.
Valley detail one piece vented ridge detail.
Trussed valley set detail no sheathing continuous 2x4 sp no 2 attached to the roof 146 basic 160 ultimate mph wind speed.
