Soft spots on flat roofs are often a result of pooling water.
Soft spot on flat 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.
If you notice a soft soggy sinking spot on your roof it s critical to call a roofing repair service asap to ensure that the damage stays surface level and doesn t put the rest of your home in jeopardy.
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.
Fortunately if your roof is still fairly young you can just repair these spots.
Most roofs have plywood sheeting underneath the roofing tiles or shingles.
If the rest of the roof is in good shape then a roofer can come over and replace the worn out areas.
If there is inadequate ventilation the probability of moisture buildup and then mold mildew growth is much higher.
That dip in the roof with a soft spot indicates that you should have your roof repaired asap.
The roofer can also check out the rest of the roof for any other potential problems which may cause new soft spots in the future.
His recommendation was to pull up the entire roof replace the underlying plywood where needed replace the skylights replace the vents add.
Most roofs have plywood sheeting underneath the roofing tiles or shingles.
What can be done about soft spots.
The home inspector found the roof to be in poor condition with at least one leak noted it was raining at the time and a couple soft spots on the roof.
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 reason for these soft spots is that the layer underneath is probably very soaked due to gaps in the shingles cause over time and weather changes and the water is seeping through the sheeting.
For soft spots on flat roofs or residential shingled roofs in wisconsin contact wisconsin s top roof repair contractor.