Here the recommended overhang length can extend up to 12 inches for moderately rainy climates or up to 18 inches for climates that experience more frequent rainfall.
Overhang bracing rake roofing.
Do the same for flashing where it overlaps the edges of the overhang.
Measure the eave overhang from the exterior wall and add 5 inches to the measurement to provide a reveal or extension on the end of the horizontal beam that supports the eave if desired but you can cut it longer or shorter.
A cantilever roof overhang is one way to really give a really distinctive look to your home.
Measure your house at ground level then add in the roof s overhang for greater accuracy.
Using a cantilever means you don t need external bracing.
As an example if your overhang is 12 inches you ll add 2 feet to the overall length and 2 feet to the overall width of the house.
Much of the united states falls into this category especially along the coasts.
Size and type of roof rake boards.
Gaf recommends up to 1 2 inch overhang.
Rake boards are installed on the gable ends of brick houses to cover the exposed top edge of the brick.
Shedding rainwater away from siding and trim especially from door and window sills can greatly reduce rot mildew and a host of other problems that can be caused by water streaming down the face of the building.
Cantilevered structures are popular for homes with balconies.
A cantilever is a rigid structural element anchored only at one end to a vertical support from which it is protruding.
If you have existing brackets use one for reference.
Remove the gutters and roof flashing if needed.
When i did roofing we always had the 1 2 inch over hang on the rake regardless of brand guess i should have read more instructions back then.
The other common wind related failure at gable ends is uplift of the roof decking at the overhang.
Unscrew the gutters at the brackets then pull out the nails holding them in place and lower them down safely.
Uplift of roof decking at the overhang.
Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof.
Use pressure treated 4 by 4 beams to build a basic craftsman bracket.
The rake board covers the top edge of the siding where it meets the roof or soffit if there is an overhang on the gable end and prevents rain from running behind it.
This nominal square footage amount is then multiplied by a factor associated with the roof s pitch.
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Eaves and rakes that overhang a building s sidewalls are critical to the life of a building.