How can I tell my porch beams are sagging?
How can I tell if the beams in my porch are sagging?
Expert
Maestro
You should look along beams for evidence of sagging. Sight along the beam using other horizontal reference points. Care should be taken not to line up porch roof beams with gutters. Gutters should never be straight across the face of a structure since they have to slope to work. Beams should not line up with gutters. Sagging suggests nonperformance of the beam and may signal expensive repair work or impending sudden structural failure. In most cases, sagging beams can be identified and repaired or replaced before things collapse.
Beams may sag because
- they are undersized or overspanned
- loading is greater than was designed for
- rot, mechanical damage, holes or notching has weakened the beam
- a column, often near a midpoint, has been removed
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