Replacing Rotted Roof Rafters

Discard the wood in a.

Replacing rotted roof rafters.

The rotten wood will come away easily. Remove weak spongy wood preserve and protect wood wi. When measuring extend the. Cut a replacement piece from pressure treated lumber.

Make the new section twice as long as the rafter tail. If the dry rot is extensive enlist a contractor to replace the rotted. Make sure you also pick up enough pressure treated lumber to cut new shingle molds and rafters if necessary. Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches.

Place a stepladder or extension ladder under the rafter end with the most damage. Use your tape measure to record the distance of both rafter legs. This video shows from start to finish the repair of rotted endbeams on a house using the endrot system. If you are using an extension.

How to replace rotted rafter ends on a gable roof step 1. Remove the rotted wood with a chisel and pry bar. Screw a new section of rafter to the old one to reinforce the tail. If the entire rafter was rotten use the length.

Measure the dimensions of the old rafters beneath your roofing surface. Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic. Slide one of the newly cut rafter legs into position directly next to the old rafter. Measure from the end of the rafter tail to the area of good wood with a tape measure.

Install new 2x4 lookouts to replace rotted ones or screw a new one to the old one if it s mostly sound. How to replace the rafters without removing the roof. The cleat helps support the new overhang. Cut off the rotted rafter tail with a reciprocating saw.

Use a reciprocating saw to chop out the rotted rafter. How to replace rotted wood rafters step 1. Clamp a 1 by backing board in place and screw the new rafter to it. Measure the length of framing wood needed with a measuring tape.

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