Repairing A Roof Rafter

Cut off the rotted rafter tail with a reciprocating saw.

Repairing a roof rafter. Cut a replacement board from 2 by pressure treated lumber that is the same size and width as the rafter tail you just cut using a circular saw. A cracked roof rafter needs to be repaired and can be done byf an experienced do it yourselfer. With the roof rafter pair straightened clamp new mid span cross ties in place and then nail the tie ends to the rafters. Step 1 measure the damaged rafter before you can purchase the l channel you need to know the size of the rafter.

How to replace the rafters without removing the roof step 1. An l channel that is 1 by 1 and at least 2 feet long should be adequate for most rafters. Notice the rafter spreader bolt. High enough to give room to nail the mid span cross tie at the desired location.

Use your tape measure to record the. Measure the dimensions of the old rafters beneath your roofing surface. Slide one of the newly cut rafter legs into position directly next to the old rafter. Drill a pilot hole in the wood through each of the open holes in the angle iron.