Replacing Rotted Roof Rafters

Install new 2x4 lookouts to replace rotted ones or screw a new one to the old one if it s mostly sound.

Replacing rotted roof rafters.

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. 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.

In addition to wood you also have the option of choosing a material like cellular pvc fiber cement aluminum or. Cut a replacement piece from pressure treated lumber. How to replace the rafters without removing the roof. Cut off the rotted rafter tail with a reciprocating saw.

How to replace rotted rafter ends on a gable roof step 1. The cleat helps support the new overhang. Place a stepladder or extension ladder under the rafter end with the most damage. When measuring extend the.

How to replace rotted wood rafters step 1. Measure from the end of the rafter tail to the area of good wood with a tape measure. The rotten wood will come away easily. 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. Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches. If the dry rot is extensive enlist a contractor to replace the rotted. Make the new section twice as long as the rafter tail.

Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic. Remove weak spongy wood preserve and protect wood wi. Clamp a 1 by backing board in place and screw the new rafter to it. If you are using an extension.

Use a reciprocating saw to chop out the rotted rafter. Remove the rotted wood with a chisel and pry bar. Measure the length of framing wood needed with a measuring tape. Discard the wood in a.

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