Replacing Rotted Roof Rafters

This video shows from start to finish the repair of rotted endbeams on a house using the endrot system.

Replacing rotted roof rafters.

Slide one of the newly cut rafter legs into position directly next to the old rafter. The rotten wood will come away easily. Measure the length of framing wood needed with a measuring tape. Cut off the rotted rafter tail with a reciprocating saw.

If you are using an extension. Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney. If the entire rafter was rotten use the length. Cut a replacement piece from pressure treated lumber.

Use a reciprocating saw to chop out the rotted rafter. When measuring extend the. If the dry rot is extensive enlist a contractor to replace the rotted. 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.

Replace rotted lookouts so you have a good nailing surface for your new soffit boards photo 7. How to replace the rafters without removing the roof. Remove weak spongy wood preserve and protect wood wi. Use your tape measure to record the distance of both rafter legs.

Screw a new section of rafter to the old one to reinforce the tail. In addition to wood you also have the option of choosing a material like cellular pvc fiber cement aluminum or. Discard the wood in a. Make the new section twice as long as the rafter tail.

How to replace rotted rafter ends on a gable roof step 1. Remove the rotted wood with a chisel and pry bar. Measure the dimensions of the old rafters beneath your roofing surface. How to replace rotted wood rafters step 1.

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. Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches. Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic.

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