Cut off the rotted rafter tail with a reciprocating saw.
Replacing rotted roof rafters.
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.
Use a reciprocating saw to chop out the rotted rafter.
How to replace the rafters without removing the roof.
This video shows from start to finish the repair of rotted endbeams on a house using the endrot system.
Remove weak spongy wood preserve and protect wood wi.
Dry rot on the ends of gable rafters must be addressed before it spreads to the roof sheathing or rafters in the attic.
In addition to wood you also have the option of choosing a material like cellular pvc fiber cement aluminum or.
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.
Replace rotted lookouts so you have a good nailing surface for your new soffit boards photo 7.
Use your tape measure to record the distance of both rafter legs.
If the entire rafter was rotten use the length.
Make the new section twice as long as the rafter tail.
Cut a replacement piece from pressure treated lumber.
When measuring extend the.
How to replace rotted rafter ends on a gable roof step 1.
The rotten wood will come away easily.
If you are using an extension.
If the dry rot is extensive enlist a contractor to replace the rotted.
Slide one of the newly cut rafter legs into position directly next to the old rafter.
Place a stepladder or extension ladder under the rafter end with the most damage.
Measure the length of framing wood needed with a measuring tape.
Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney.
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.
Measure the dimensions of the old rafters beneath your roofing surface.
Cut a piece of 1 by pressure treated lumber that is longer than the replacement board by 4 to 6 inches.
Install new 2x4 lookouts to replace rotted ones or screw a new one to the old one if it s mostly sound.
Remove the rotted wood with a chisel and pry bar.