Extending Existing Roof Overhang

When extending rafters the rule of 2 to 1 is usually sound.

Extending existing roof overhang. Wider overhangs would require some engineering to ensure adequate support. However longer extensions will require large portions of the roof to be removed first and this task is best completed by a. I limit the overhang to 2 ft. If you only need an additional 1 2 2 inches of overhang this can easily be achieved as a diy project.

A good estimate for a contractor to do this same roof overhang extension would range from 50 to 85 per running foot. Cut rafter tail extensions three times the length of the overhang that you want to add using lumber the same size as the existing rafters. This meaning that if you plan on extending the rafter 12 inches you should extend the sister 24 inches from the bottom of the old rafter up. This cost did not include any labor or waste disposal fees.

Start conventional overhangs by taking off the existing fascia and any other trim that covers the rafter tails. The installation of simple overhangs on a house involves nailing rafter extensions onto existing rafters. Extending a gable roof can be tricky since it involves working on the roof but you may be able to do it yourself if you only need to add 1 2 2 inches 1 3 5 1 cm. The cost of extending my 30 foot long roof overhang 14 inches was 340 or 11 50 per running foot for materials.