Replacing Rotted Roof Rafters

Slide one of the newly cut rafter legs into position directly next to the old rafter.

Replacing rotted roof rafters.

If the entire rafter was rotten use the length. When measuring extend the. Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches. How to replace the rafters without removing the roof.

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. Discard the wood in a. The rotten wood will come away easily. Place a stepladder or extension ladder under the rafter end with the most damage.

Measure the dimensions of the old rafters beneath your roofing surface. Clamp a 1 by backing board in place and screw the new rafter to it. In addition to wood you also have the option of choosing a material like cellular pvc fiber cement aluminum or. Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic.

Replace rotted lookouts so you have a good nailing surface for your new soffit boards photo 7. Make the new section twice as long as the rafter tail. Measure from the end of the rafter tail to the area of good wood with a tape measure. Use your tape measure to record the distance of both rafter legs.

Remove the rotted wood with a chisel and pry bar. How to replace rotted wood rafters step 1. Cut off the rotted rafter tail with a reciprocating saw. Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney.

This video shows from start to finish the repair of rotted endbeams on a house using the endrot system. Screw a new section of rafter to the old one to reinforce the tail. Cut a replacement piece from pressure treated lumber. If you are using an extension.

Remove weak spongy wood preserve and protect wood wi. Use a reciprocating saw to chop out the rotted rafter. Make sure you also pick up enough pressure treated lumber to cut new shingle molds and rafters if necessary. If the dry rot is extensive enlist a contractor to replace the rotted.

Measure the length of framing wood needed with a measuring tape.