Repairing A Roof Rafter

Slip a bolt through each hole then place a flat washer lock washer and nut on the threads of each bolt.

Repairing a roof rafter.

Step 1 measure the damaged rafter before you can purchase the l channel you need to know the size of the rafter. Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches. Use your tape measure to record the. Measure the dimensions of the old rafters beneath your roofing surface.

How to replace the rafters without removing the roof step 1. Notice the rafter spreader bolt. With the roof rafter pair straightened clamp new mid span cross ties in place and then nail the tie ends to the rafters. An l channel that is 1 by 1 and at least 2 feet long should be adequate for most rafters.

High enough to give room to nail the mid span cross tie at the desired location. Cut off the rotted rafter tail with a reciprocating saw. 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. Drill a pilot hole in the wood through each of the open holes in the angle iron.