Before you can purchase the l channel you need to know the size of the rafter.
How to repair a cracked roof rafter.
A cracked roof rafter can create a sagging and unsightly roof.
The important aspects of this repair is the length of the split as you will need to adequately cover it.
Overview from time to time an attic rafter will split along a knot typically after having a new roof installed because of the workers walking around on it.
Rafters can also be damaged by a blow to the roof from falling branches.
An l channel that is 1 by 1 and at least 2 feet long should be.
This article describes a diy repair project using a site built spreader to straighten sagged roof rafters and decking.
Fixing a cracked or split rafter in your attic ensures that the roof will receive the necessary support.
Repairing this is called scabbing.
When considering what to do about sags in a roof start by noticing if the sag is in sheathing between rafters page top photo0 or sagging along the length of the rafters.
Obviously this is not a good situation as it can cause the entire roof to fail if not addressed.
How to fix a crack in an attic rafter.
A rafter might split when heavier roof tiles are.
This board is a section of lumber that is the same thickness as the rafter and 2 feet longer on each side of the damaged section.
Although the rafter must be replaced if it is completely broken smaller areas of damage can be repaired through the application of a scab board.