How To Repair An Old Sagging Roof

Check the ceiling for sagging by attaching a string on one end of the beam and run it along the.

How to repair an old sagging roof.

Determining the problem determine where the sag is in your roof in relation to your attic. If that is the case you need to. You ll need a steel l channel to get your rafter or truss back into shape. The first step is to the basement first.

If the sagging roof is due to rotting or warping roof decking the repair will be much easier. Being nervous about a sagging roof is understandable. Installing new rafters directly alongside the weak or damaged ones is often enough to correct this problem. You will use a hydraulic floor jack to lift a long 2x6 against strategic points along the roof to nudge the roof back into shape.

If that s what you re dealing with regarding your home take these steps to ensure your rafter or truss gets fixed properly. The first step is to find out how many rafters are sagging and if anything else is damaged. You may find that several are in need of straightening and that some of the sheathing must be replaced. How to fix a sagging roof line.

You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof. After your floor is straight it is time to concentrate on the next floor s ceiling. Perhaps the sheathing is the problem with your sagging roof. This may be problematic in winter months but allowing the roof to continue to sag can lead to greater problems such as a cave in.

In a stick frame non truss sloped roof these issues usually cause the roof ridge to sag in the middle giving it a swayback look but can also cause one side of the roof to sag. Screw a 2x4 about 12 long. In many cases you ll need to fix sagging trusses or rafters to repair your roof. Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your.

Before you try this method you need to determine whether or not the sheathing that remains is strong. Most people without any construction experience know that a roof should be flat and not wavy or sagging. Fixing a sagging roof by bolstering the beams replacing sheathing. How to fix sagging roof trusses or rafters.

Your goal is to strengthen and reshape the roof through means of wooden braces 2x6 lumber possibly new or added purlins and maybe a come along manual winch.