These soft spots usually form when the layer underneath gets soaked due to gaps in the shingles.
Soft spot on roof but plywood looks good.
That dip in the roof with a soft spot indicates that you should have your roof repaired asap.
I put an epdm roof on a little homemade tt with a plywood roof.
This can be a result of the plywood sheeting becoming wet from rain above or from moisture not being able to escape from below and leading to mold mildew growth on the wood.
I prepped it well and applied contact cement in sections about 2 feet log.
Over the period of manufacturer s designated roof lifetime of 25 to 30 years that plywood is exposed to heat in the summers heavy rains and the winter weather and cold dampness it brings.
The other thing we were able to do is reinforce the cavities around the ac opening.
How attic ventilation keeps your roof cool and healthy.
Most roofs have plywood sheeting underneath the roofing tiles or shingles.
Prime spots in the attic for wood rot are on the underside of the roof decking in the joints where the wood members connect at the peak of the roof and at the edges of.
Wood should never be soft.
Most roofs have plywood sheeting underneath the roofing tiles or shingles.
If you can tell there s a soft spot on your roof this most likely means that the substrate below the roofing material is damaged and deteriorating.
The roof on the passenger side between the front ac unit and the middle ac unit was holding water and felt soft.
What causes soft spots on roofs.
If there is inadequate ventilation the probability of moisture buildup and then mold mildew growth is much higher.
Without good attic ventilation your roof gets extremely hot.
And that extreme heat can damage both your shingles and the wood decking below them and causing your roof to feel soft when walking on it.
Inadequate attic ventilation can also cause your shingle roof to feel spongy or bouncy.
Over the course of a 25 30 year lifetime even the highest quality roof will begin to show cracks.
It came out smooth as a baby butt with not one spot or loose area.