Replacing Rotted Roof Rafters

Replace rotted lookouts so you have a good nailing surface for your new soffit boards photo 7.

Replacing rotted roof rafters.

In addition to wood you also have the option of choosing a material like cellular pvc fiber cement aluminum or. 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. Discard the wood in a.

The cleat helps support the new overhang. This video shows from start to finish the repair of rotted endbeams on a house using the endrot system. 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. Cut a replacement piece from pressure treated lumber.

Clamp a 1 by backing board in place and screw the new rafter to it. Slide one of the newly cut rafter legs into position directly next to the old rafter. Measure the dimensions of the old rafters beneath your roofing surface. The rotten wood will come away easily.

Remove the rotted wood with a chisel and pry bar. If the dry rot is extensive enlist a contractor to replace the rotted. Remove weak spongy wood preserve and protect wood wi. Place a stepladder or extension ladder under the rafter end with the most damage.

When measuring extend the. Make sure you also pick up enough pressure treated lumber to cut new shingle molds and rafters if necessary. Measure the length of framing wood needed with a measuring tape. 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. How to replace rotted wood rafters step 1. Cut off the rotted rafter tail with a reciprocating saw. How to replace rotted rafter ends on a gable roof step 1.

Use a reciprocating saw to chop out the rotted rafter. Make the new section twice as long as the rafter tail. Screw a new section of rafter to the old one to reinforce the tail. If you are using an extension.

Use your tape measure to record the distance of both rafter legs.