Replacing Rotted Roof Rafters

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.

Replacing rotted roof rafters. When measuring extend the. Install new 2x4 lookouts to replace rotted ones or screw a new one to the old one if it s mostly sound. If you are using an extension. Clamp a 1 by backing board in place and screw the new rafter to it.

Make sure you also pick up enough pressure treated lumber to cut new shingle molds and rafters if necessary. The cleat helps support the new overhang. The rotten wood will come away easily. This video shows from start to finish the repair of rotted endbeams on a house using the endrot system.

How to replace rotted wood rafters step 1. Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic. Cut off the rotted rafter tail with a reciprocating saw. Use your tape measure to record the distance of both rafter legs.

Cut a replacement piece from pressure treated lumber. Remove the rotted wood with a chisel and pry bar. Discard the wood in a. Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches.

Slide one of the newly cut rafter legs into position directly next to the old rafter. Replace rotted lookouts so you have a good nailing surface for your new soffit boards photo 7. Measure from the end of the rafter tail to the area of good wood with a tape measure. How to replace the rafters without removing the roof.

How to replace rotted rafter ends on a gable roof step 1. Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney. Measure the length of framing wood needed with a measuring tape. If the dry rot is extensive enlist a contractor to replace the rotted.

Place a stepladder or extension ladder under the rafter end with the most damage. Remove weak spongy wood preserve and protect wood wi. Measure the dimensions of the old rafters beneath your roofing surface. Screw a new section of rafter to the old one to reinforce the tail.

Make the new section twice as long as the rafter tail.