So you should start by inspecting the roof from the under side or attic.
Sagging roof rafters.
Straighten out your old house s sagging roof and get rid of those cracks in the wall with these easy to follow steps.
Sagging roof lines can originate with the horizontal ceiling rafters.
Sagging rafters may be the result of having framed the roof with lumber of dimensions smaller than current building standards such as using 2x4s or 2x6 s or there may be damage to the framing from insects or rot.
Therefore giving them a good look is critical when addressing sagging bowed or wavy roofs.
Check the ceiling for sagging by attaching a string on one end of the beam and run it along the bottom edge of the beam.
When sagging gets too severe it can lead to roof collapse and once the roof goes the house won t last for long.
Step 1 the first step is to the basement first.
Ceiling joists are placed at the ends of the rafters to keep the rafters from spreading out and sagging.
If your ceiling drywall is sagging between joists sometimes called pillowing it s probably on the top floor and attached to the 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.
When the roof framing is assembled two ceiling rafters are often joined together to create a longer span.
Sagging rafters are a sign that a house is in serious trouble.
Remove any pieces of wood broken scraps that could get.
Rafters support the weight of the roof and any rain or snow that falls on it.
One of the most common causes of roof issues are problems related to the rafters or trusses.
Ceiling drywall that sags between joists or trusses is sometimes called pillowed drywall.
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.
Drill four holes in each side of the l.
Sagging rafters may be the result of numerous heavy snowfalls or inadequate ceiling joists.
Realignment of the rafters may solve the sagging problem.
Prevent this unfortunate series of events by bracing your rafters to make them sturdy and resistant to snow loads and wind.
If the roof sags between the rafters or trusses the most likely cause is sheathing that s too thin for the area it covers.
You ll need a steel l channel to get your rafter or truss back into shape.