Replacing Rotted Roof Rafters

Use a reciprocating saw to chop out the rotted rafter.

Replacing rotted roof rafters.

Measure the length of framing wood needed with a measuring tape. Measure the dimensions of the old rafters beneath your roofing surface. When measuring extend the. Cut a replacement piece from pressure treated lumber.

Place a stepladder or extension ladder under the rafter end with the most damage. Measure from the end of the rafter tail to the area of good wood with a tape measure. Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney. If you are using an extension.

Make sure you also pick up enough pressure treated lumber to cut new shingle molds and rafters if necessary. If the entire rafter was rotten use the length. 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.

Replace rotted lookouts so you have a good nailing surface for your new soffit boards photo 7. Slide one of the newly cut rafter legs into position directly next to the old rafter. How to replace rotted wood rafters step 1. Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches.

The rotten wood will come away easily. Screw a new section of rafter to the old one to reinforce the tail. Install new 2x4 lookouts to replace rotted ones or screw a new one to the old one if it s mostly sound. Use your tape measure to record the distance of both rafter legs.

Discard the wood in a. How to replace rotted rafter ends on a gable roof step 1. How to replace the rafters without removing the roof. Remove weak spongy wood preserve and protect wood wi.

Make the new section twice as long as the rafter tail. If the dry rot is extensive enlist a contractor to replace the rotted. Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic. Clamp a 1 by backing board in place and screw the new rafter to it.

Cut off the rotted rafter tail with a reciprocating saw.