Replacing Rotted Roof Rafters

If you are using an extension.

Replacing rotted roof rafters.

When measuring extend the. Slide one of the newly cut rafter legs into position directly next to the old rafter. How to replace the rafters without removing the roof. Clamp a 1 by backing board in place and screw the new rafter to it.

Remove weak spongy wood preserve and protect wood wi. The cleat helps support the new overhang. Make sure you also pick up enough pressure treated lumber to cut new shingle molds and rafters if necessary. Use a reciprocating saw to chop out the rotted rafter.

Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney. Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches. 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. This video shows from start to finish the repair of rotted endbeams on a house using the endrot system.

In addition to wood you also have the option of choosing a material like cellular pvc fiber cement aluminum or. Replace rotted lookouts so you have a good nailing surface for your new soffit boards photo 7. How to replace rotted wood rafters step 1. Remove the rotted wood with a chisel and pry bar.

Cut a replacement piece from pressure treated lumber. If the entire rafter was rotten use the length. Screw a new section of rafter to the old one to reinforce the tail. Use your tape measure to record the distance of both rafter legs.

Measure the length of framing wood needed with a measuring tape. Make the new section twice as long as the rafter tail. Measure the dimensions of the old rafters beneath your roofing surface. If the dry rot is extensive enlist a contractor to replace the rotted.

The rotten wood will come away easily. Measure from the end of the rafter tail to the area of good wood with a tape measure. Discard the wood in a. Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic.

Place a stepladder or extension ladder under the rafter end with the most damage.