Extending Existing Gable Roof

Attaching near the eaves.

Extending existing gable roof.

But it is important that the roof pitch is exactly the same as the existing roof because you will see it from one roof to the other if it isn t. You may need a structural engineer to help with design of trusses and rafters. You will need building help and a large construction dumpster for debris. If you re adding to the gable end of the house the side wall that goes up to the roof s peak it s fairly easy to extend the existing roofline over the new space says curt schultz a realtor architect builder in pasadena calif.

In the past i ve built ladders out of the same size rafter material and lagged screwed them into the gable rafter and then cut the sheathing back and re lay it after the extensions were added. This may require removal of a second rafter. For pitched roofs outriggers can be supported on the top of the gable wall end framing and extend back to the next truss or to a rafter. 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.

That s a simple low cost solution that can tie in well with the main house. However for larger extensions you ll need to hire a professional to get up there and remove large portions of the roof before extending the overhang. Tying a gable roof into an existing roof is a long expensive project usually undertaken only when there is a major addition or renovation to a house. In any case the structure that the shed roof is leaning on is an existing roof typically a gable roof with a ridge and a steeper slope than that of the shed roof.

How to extend gable end roof overhang. It is not a job for beginners. Then load bearing roof beams fixed to the trusses are extended in the same way. Add gable extension on existing roof we are re siding and re roofing so i thought now would be a good time to add them.