More than one roof coating may have been installed.
Roof sags in middle old garage.
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.
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.
1 there are 2 support beams that run from front to back of the 23 garage.
Attach it to the beam with carriage bolts but do not tighten completely.
When the original roof wore out a second and maybe even a third roof was laid over the original roof.
The middle part of my garage has noticeable sag so im wondering how i can fix the sag improve the design and look into raising the roof about 2ft to match the attached garage roof and house line together.
With the joist back in its original position place one section of the angle iron on the uppermost section of the rafter just before the area where it is sagging or broken.
Undersized rafters also can cause sagging along the whole side or plane of a roof.
Roofs sags for various reasons.
Straighten out your old house s sagging roof and get rid of those cracks in the wall with these easy to follow steps.