Replacing Rotted Roof Rafters

Cut off the rotted rafter tail with a reciprocating saw.

Replacing rotted roof rafters.

If the entire rafter was rotten use the length. Use a reciprocating saw to chop out the rotted rafter. The cleat helps support the new overhang. How to replace rotted wood rafters step 1.

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. Use your tape measure to record the distance of both rafter legs. Make sure you also pick up enough pressure treated lumber to cut new shingle molds and rafters if necessary.

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. How to replace the rafters without removing the roof. Measure from the end of the rafter tail to the area of good wood with a tape measure.

When measuring extend the. Measure the length of framing wood needed with a measuring tape. If you are using an extension. The rotten wood will come away easily.

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. Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches. Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney.

How to replace rotted rafter ends on a gable roof step 1. Screw a new section of rafter to the old one to reinforce the tail. Place a stepladder or extension ladder under the rafter end with the most damage. In addition to wood you also have the option of choosing a material like cellular pvc fiber cement aluminum or.

Remove weak spongy wood preserve and protect wood wi. Cut a replacement piece from pressure treated lumber. If the dry rot is extensive enlist a contractor to replace the rotted. Clamp a 1 by backing board in place and screw the new rafter to it.

Measure the dimensions of the old rafters beneath your roofing surface.