Replacing Rotted Roof Rafters

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

Replacing rotted roof rafters. If the dry rot is extensive enlist a contractor to replace the rotted. This video shows from start to finish the repair of rotted endbeams on a house using the endrot system. Remove weak spongy wood preserve and protect wood wi. 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 piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches. Make the new section twice as long as the rafter tail. 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.

Use your tape measure to record the distance of both rafter legs. Cut off the rotted rafter tail with a reciprocating saw. Place a stepladder or extension ladder under the rafter end with the most damage. When measuring extend the.

Replace rotted lookouts so you have a good nailing surface for your new soffit boards photo 7. How to replace rotted rafter ends on a gable roof step 1. How to replace the rafters without removing the roof. Use a reciprocating saw to chop out the rotted rafter.

If the entire rafter was rotten use the length. Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic. In addition to wood you also have the option of choosing a material like cellular pvc fiber cement aluminum or. Install new 2x4 lookouts to replace rotted ones or screw a new one to the old one if it s mostly sound.

The cleat helps support the new overhang. Discard the wood in a. Cut a replacement piece from pressure treated lumber. Slide one of the newly cut rafter legs into position directly next to the old rafter.

Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney. Screw a new section of rafter to the old one to reinforce the tail. 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.

Remove the rotted wood with a chisel and pry bar.