Gable Roof Overhang Framing

For the arrangement of the gable end overhang for the standard roof you lengthen the ridge beam beyond the facade for previously verified length using cut rafters.

Gable roof overhang framing.

If the gable end overhang uses the ladder detail method of construction and the length of the overhang is greater than 8 inches to 12 inches you may be able to strengthen the connection of the overhang by installing from the attic inch diameter lag screws that are long enough to go through the gable truss or rafter through the wall sheathing and 1 1 2 inches into the inside framing member of the ladder framing. After that you should fix the cornice board to the end sides of the ridge and the load bearing beams. Gable end overhangs constructed using the ladder detail. There are no similar requirements for wood framing.

The american wood council s 2012 wood frame construction manual defines rake overhang as the horizontal projection of the roof measured from the outside face of the gable endwall to the outside edge of the roof section 2 1 3 4 c states rake overhangs shall not exceed the lesser of one half the purlin length or 2 feet and makes an. Framing for gable end overhangs rakes for steel framing is codified in the irc 2012 2015 r804. Measure the total length of the building and add the. Thick and the overhang from the side wall set between 12 in.

Set out the wall plates to whatever centers you need for your gable roof 400 450 600. The other common wind related failure at gable ends is uplift of the roof decking at the overhang. When designing a gable end eave without a return the dimensions to look at are the width of the trim set between 6 in. This will be most.

This video will. Work out how wide you want the barge soffit boards. Then load bearing roof beams fixed to the trusses are extended in the same way. Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof.

Gable roof step by step step 1. Wide especially when the eave overhang is less than 12 in. This can be from two causes. Uplift of roof decking at the overhang.

Avoid gable ends that are over 8 in.