How To Tell If Roof Decking Is Bad

Sometimes it is just best to resheet it to give you the best deck for your new roof.

How to tell if roof decking is bad.

If there is rotten decking the shingles are most likely letting moisture in. Walk back and forth across the deck and inspect each board for signs of rot insect infestation water damage splinters large cracks and popped fastener heads. Note bad areas for removal. Check where stair stringers come in contact with the ground or landing pad.

Gain access to the attic to inspect the plywood or roof decking. Water leakage can lead to ceiling spots or leaks stains on interior walls cracked paint or peeling wallpaper. 15 silent signs that your roof is failing. Probe around railing posts and the decking surface.

It is very important to examine this type of deck carefully. Check plastic bases for. Shingles curling and buckling. If it isn t already it s only a matter of time until that rotten wood lets water into your attic and ceilings.

Shingle curling and buckling granular wear to shingles holes in the roof mold or mildew in the attic missing shingles a spongy feel when walking on the roof damage round chimneys pipes and other penetration. Look up at the roof area. Splits can form in the planks and they will get longer from the heat in the attic. Trying to apply shingles on rotten wood can cause the roof to shift which can in turn lead to more leaks.

Most experts agree that a typical roof will last between 20 and 25 years. While composite lumber and pvc plastic decking are growing in popularity a vast majority of decks are still covered with wooden deck boards. Here are some signs your roof decking may be damaged. Knots in the planks can cause it to break after the roof is done so if it looks iffy it is best to replace it.

Plumbing vent boots can be all plastic plastic and metal or even two piece metal units. One of the most common signs that a roof s decking is damaged is a roof leak. Damaged plumbing vent boots. You can remove thumb size areas of rot with a chisel then treat the hole with a wood preservative to stop rot and keep it from spreading.

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. How old is your existing asphalt shingle roof.