Sagging Roof Support

Every roof is designed to support a specific maximum weight and anything above this especially for long periods can cause the roof to sag.

Sagging roof support.

The result is pooling water causing erosion of the soil meant to support the foundation. Less common causes of a sagging roof. Use your string line to determine how much the roof need to go up. Not enough structural support for the load.

Poor quality roofing material and faulty installation can cause a roof to. Non foundational reasons for a sagging roof. Two or more roofs on one structure spell trouble. This is called undercutting.

In cold winter climates snow is the most common cause of excess weight on the roof. If your rafters are still sagging a bit and it is causing your roof to dish out a little in the center of the roof sides add a 2x4 that goes all the way across the rafters in the center of the length of the rafters. 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. Solutions can range from simple to downright ugly for your wallet and unless you re comfortable with span tables advanced carpentry and working at heights fixing a sagging roof is almost always time to call a pro.

Likewise a flood resulting from a broken water line or natural occurrences can compromise your roof eventually. 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.