Fixing Sagging Roof Trusses

How to fix sagging roof trusses or rafters.

Fixing sagging roof trusses.

If you have just stepped outside your house and realized that your roof is no longer straight this could signal a problem. I am hoping to be able to repair the joists with larger stronger material keeping mostly with the flat idea and aim. You can expect to repair sagging trusses in two to four hours depending on the size and scope of the project. Roof sag sagging roof rafter repair site built rafter spreader mid span rafter ties smooth wavy roof.

In many cases you ll need to fix sagging trusses or rafters to repair your roof. With the inverted hinged truss in place a vertical wedge can be used to bend the sagged rafter upwards. However most trusses are either 4 or 6 inches. If you find your roof is sagging or a slight dip is visible then you are probably a victim of sagging roof rafters.

This can cause roof caving water leakage. Our roof sags a little between the trusses near the peak on the west facing side of the house. Step 1 cut two 2 by 4s or 2 by 6s to serve as truss patches. One will be placed on either of the flat sides of the truss.

Sagging rafters can be a serious and deadly in some cases problem in your roofing system. In this case the problem was due to a combination of poor attic ventilation and two bathrooms with vent fans dumping moist air into the attic. This can be a serious problem in future if not treated at the right time. At the chimney the homeowner designed an inverted truss to straighten the sagged rafters.

Here s another view of the same roof shown at the top of the page and you can see that the sagging extends over a large area. Sagging roof between trusses. From the inside there doesn t appear to be any water damage or rot. Sagging rafters can lead to serious problems with the entire roofing system.

Your truss sizes may vary. If that s what you re dealing with regarding your home take these steps to ensure your rafter or truss gets fixed properly.