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. Gable roof step by step step 1. Gable end overhangs constructed using the ladder detail. Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof.
This video will. Framing for gable end overhangs rakes for steel framing is codified in the irc 2012 2015 r804. 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. Wide especially when the eave overhang is less than 12 in.
I hope that i might be of assistance with the answer you seek on my 12 gable overhangs if you are referring to the overhang that rises toward the peak i let the roof sheathing overhang and build under that with the facia boards and back to the house with 2x4 framing which i plywood over i know that some inlay 2x4 s into the roof rafters back into the roof about two rafters and then the 12 overhang is well supported if you are referring to the overhang that is at the bottom of the. Measure the total length of the building and add the. Thick and the overhang from the side wall set between 12 in. This can be from two causes.
After that you should fix the cornice board to the end sides of the ridge and the load bearing beams. Wall plates and joists. To 18 in depending on the style of the building. There are no similar requirements for wood framing.
Work out how wide you want the barge soffit boards. Avoid gable ends that are over 8 in. Set out the wall plates to whatever centers you need for your gable roof 400 450 600. When designing a gable end eave without a return the dimensions to look at are the width of the trim set between 6 in.
Then load bearing roof beams fixed to the trusses are extended in the same way.