Spongy Roof Deck

A failing roof deck will impact the integrity of.

Spongy roof deck.

Damage round chimneys pipes and other penetration. Plywood decking sits on top of your rafters. And this construction often resulted in bouncy and spongy shingle roofs like in this video. Gypsum concrete roof deck systems consist of a form board wire reinforcement and a poured application of gypsum concrete.

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. One of the most common signs that a roof s decking is damaged is a roof leak. 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. The underlayment and shingles are attached to the decking.

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. 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. Roof soft spot are fairly common in our industry. If one is considering mechanically fastening a base.

The anatomy of a shingle roof. That moisture can lead to rot and damage in the roof deck. Water leakage can lead to ceiling spots or leaks stains on interior walls cracked paint or peeling wallpaper. An all wood roof top deck makes for a simple and low maintenance idea.

Old building codes allowed for thinner plywood or osb decking and wider spaces between rafters.