With the inverted hinged truss in place a vertical wedge can be used to bend the sagged rafter upwards.
Fixing sagging roof trusses.
If that s what you re dealing with regarding your home take these steps to ensure your rafter or truss gets fixed properly.
One will be placed on either of the flat sides of the truss.
You can expect to repair sagging trusses in two to four hours depending on the size and scope of the project.
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.
This can be a serious problem in future if not treated at the right time.
Step 1 cut two 2 by 4s or 2 by 6s to serve as truss patches.
Your truss sizes may vary.
If you have just stepped outside your house and realized that your roof is no longer straight this could signal a problem.
However most trusses are either 4 or 6 inches.
Roof sag sagging roof rafter repair site built rafter spreader mid span rafter ties smooth wavy roof.
I am hoping to be able to repair the joists with larger stronger material keeping mostly with the flat idea and aim.
At the chimney the homeowner designed an inverted truss to straighten the sagged rafters.
Sagging rafters can be a serious and deadly in some cases problem in your roofing system.
If you notice that there is a visible dip in your roof chances are you have a problem with one or several rafters and you may soon be facing more issues like water leaks bowed out walls or your roof caving in on you.
You ll need a steel l channel to get your rafter or truss back into shape.
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.
Fixing a sagging roof as soon as you spot it is very important otherwise you could find that the problem will only worsen over time and in the end you may need to have the entire roof replaced which could be extremely costly not to mention a lot of hassle.
Sagging roof between trusses.
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.
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.