A sagging roof can come in one of a few classic forms each with its own cause.
Pictures of sagging roof.
If i get a chance i will add photos of a repair of this type.
On this great occasion i would like to share about sagging roof ridge.
Most people without any construction experience know that a roof should be flat and not wavy or sagging.
In most cases a sagging roof is caused either by a broken rafter or roof decking but in some more severe instances a damaged or sinking foundation can be the underlying cause of the problem.
The first step in fixing a sagging roof is to identify the cause of the sag.
Undersized rafters also can cause sagging along the whole side or plane.
Less common causes of a sagging roof.
Sagging roof lines can originate with the horizontal ceiling rafters.
25 pictures sagging roof ridge.
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.
Sagging ceiling could be an indication of framing issues some of which could be related to the roof.
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When the roof framing is assembled two ceiling rafters are often joined together to create a longer span.
Should the bottom cord of one or more trusses be sagging or damaged it may be reflected in a sagging ceiling or if the roof is over loaded to heavy then the downward pressure may cause the sagging.
Poor quality roofing material and faulty installation can cause a roof to slump.
No matter what the reason when you see a house with a sagging roof it tends to make you nervous even if you don t know precisely why.
Use your string line to determine how much the roof need to go up.
A ridge that droops in the middle forming that unintentional western design feature likely is due to undersized rafters and or missing or inadequate internal bracing rafter or collar ties.
Being nervous about a sagging roof is understandable.
We like them maybe you were too.
View gallery 25 photos.
Sagging rafters can lead to serious problems with the entire roofing system.
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.
25 pictures sagging roof ridge.
If your roof started sagging after you switched to heavier roofing material such as by replacing wood shingles with clay tiles you ll probably need to go back to the lighter material.