Repairing A Roof Rafter

Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches.

Repairing a roof rafter.

Notice the rafter spreader bolt. Drill a pilot hole in the wood through each of the open holes in the angle iron. Measure the dimensions of the old rafters beneath your roofing surface. How to replace the rafters without removing the roof step 1.

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. An l channel that is 1 by 1 and at least 2 feet long should be adequate for most rafters. Slip a bolt through each hole then place a flat washer lock washer and nut on the threads of each bolt.

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. Use a hammer and nails to. Slide one of the newly cut rafter legs into position directly next to the old rafter. With the roof rafter pair straightened clamp new mid span cross ties in place and then nail the tie ends to the rafters.