Roof soft spot are fairly common in our industry.
Spongy roof deck.
An all wood roof top deck makes for a simple and low maintenance idea.
That moisture can lead to rot and damage in the roof deck.
We see weather changes and roof soft spots start appearing it is early march and we are beautifully transitioning from the bitter cold winters to sunny and pleasant spring time here in michigan.
Water leakage can lead to ceiling spots or leaks stains on interior walls cracked paint or peeling wallpaper.
Damage round chimneys pipes and other penetration.
The anatomy of a shingle roof.
A spongy feel when walking on the roof.
If the deck is sound it may be possible to treat the deck much like concrete by priming the surface adhering thermal insulation and installing a new roof membrane.
With wooden floor and plain industrial benches with an industrial centre table it can be used for a relaxed evening with friends without much preparation.
Plywood decking sits on top of your rafters.
Lack of ventilation in the home can lead to mold and mildew which can grow on roof decking if moisture is in the attic and cannot escape properly.
Old building codes allowed for thinner plywood or osb decking and wider spaces between rafters.
Gypsum concrete roof deck systems consist of a form board wire reinforcement and a poured application of gypsum concrete.
A quick inspection of the attic might uncover dark water stains on the rafters or in the insulation or even light passing through holes in the roof.
If one is considering mechanically fastening a base.
And this construction often resulted in bouncy and spongy shingle roofs like in this video.
The underlayment and shingles are attached to the decking.