Replacing Rotted Roof Rafters

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

Replacing rotted roof rafters.

Use a reciprocating saw to chop out the rotted rafter. If you are using an extension. Measure the dimensions of the old rafters beneath your roofing surface. Screw a new section of rafter to the old one to reinforce the tail.

Make the new section twice as long as the rafter tail. In addition to wood you also have the option of choosing a material like cellular pvc fiber cement aluminum or. Make sure you also pick up enough pressure treated lumber to cut new shingle molds and rafters if necessary. Cut a replacement piece from pressure treated lumber.

Measure from the end of the rafter tail to the area of good wood with a tape measure. How to replace rotted wood rafters step 1. Remove weak spongy wood preserve and protect wood wi. How to replace rotted rafter ends on a gable roof step 1.

Cut off the rotted rafter tail with a reciprocating saw. The rotten wood will come away easily. Discard the wood in a. 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. Measure the length of framing wood needed with a measuring tape. When measuring extend the. Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney.

Install new 2x4 lookouts to replace rotted ones or screw a new one to the old one if it s mostly sound. This video shows from start to finish the repair of rotted endbeams on a house using the endrot system. The cleat helps support the new overhang. Remove the rotted wood with a chisel and pry bar.

If the entire rafter was rotten use the length. How to replace the rafters without removing the roof. Use your tape measure to record the distance of both rafter legs. Replace rotted lookouts so you have a good nailing surface for your new soffit boards photo 7.

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