Replacing Rotted Roof Rafters

Clamp a 1 by backing board in place and screw the new rafter to it.

Replacing rotted roof rafters.

Discard the wood in a. Make sure you also pick up enough pressure treated lumber to cut new shingle molds and rafters if necessary. The cleat helps support the new overhang. Measure the length of framing wood needed with a measuring tape.

Remove weak spongy wood preserve and protect wood wi. Use your tape measure to record the distance of both rafter legs. Use a reciprocating saw to chop out the rotted rafter. How to replace rotted wood rafters step 1.

Cut off the rotted rafter tail with a reciprocating saw. Measure the dimensions of the old rafters beneath your roofing surface. How to replace the rafters without removing the roof. Make the new section twice as long as the rafter tail.

Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney. The rotten wood will come away easily. How to replace rotted rafter ends on a gable roof step 1. Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches.

Install new 2x4 lookouts to replace rotted ones or screw a new one to the old one if it s mostly sound. If the dry rot is extensive enlist a contractor to replace the rotted. Remove the rotted wood with a chisel and pry bar. If the entire rafter was rotten use the length.

Measure from the end of the rafter tail to the area of good wood with a tape measure. Screw a new section of rafter to the old one to reinforce the tail. 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. Slide one of the newly cut rafter legs into position directly next to the old rafter.

Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic. When measuring extend the. In addition to wood you also have the option of choosing a material like cellular pvc fiber cement aluminum or. Cut a replacement piece from pressure treated lumber.

If you are using an extension.