How To Fix A Sagging Roof Beam

You ll need a steel l channel to get your rafter or truss back into shape.

How to fix a sagging roof beam.

The first step is to the basement first. In many cases you ll need to fix sagging trusses or rafters to repair your roof. Drill four holes in each side of the l. Fixing a sagging roof by bolstering the beams bolstering the beams of your roof is another solution to repairing a sagging roof however it is often something that requires assistance from another able bodied person since beams can be extremely heavy.

Cut a 45 degree angle so the edges will be properly mitered for a clean look. This article series describes explains the directions of forces in roof structures illustrating downwards force horizontal thrust and the causes of rafter sags rafters that disconnect from the ridge or top plate and why a sagging roof pushes the building walls outwards at the wall top. Toenail the block onto the frame with four 6d nails. Place your foot behind the block and line up a nail with one of the marks.

Check the ceiling for sagging by attaching a string on one end of the beam and run it along the bottom edge of the beam. To do so make small marks in the block with a pencil 3 4 of an inch from the bottom of the frame two on each side. Cut the wood you ll use to wrap the new beam. Nail a fill strip at the top and bottom of the beam which will bring the trim board to the desired width image 2.