How To Tell If Roof Decking Is Bad

15 silent signs that your roof is failing.

How to tell if roof decking is bad.

While composite lumber and pvc plastic decking are growing in popularity a vast majority of decks are still covered with wooden deck boards. Gain access to the attic to inspect the plywood or roof decking. Look up at the roof area. Plumbing vent boots can be all plastic plastic and metal or even two piece metal units.

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. Check plastic bases for. Here are some tips to help you determine if you need a new roof.

How old is your existing asphalt shingle roof. 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. Splits can form in the planks and they will get longer from the heat in the attic. Check where stair stringers come in contact with the ground or landing pad.

One of the most common signs that a roof s decking is damaged is a roof leak. Most experts agree that a typical roof will last between 20 and 25 years. 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. Here are some signs your roof decking may be damaged.

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. Locate the rotted roof decking. It is very important to examine this type of deck carefully. Trying to apply shingles on rotten wood can cause the roof to shift which can in turn lead to more leaks.

Water leakage can lead to ceiling spots or leaks stains on interior walls cracked paint or peeling wallpaper. Shingles curling and buckling. Sometimes it is just best to resheet it to give you the best deck for your new roof. If there is rotten decking the shingles are most likely letting moisture in.

Damaged plumbing vent boots. Note bad areas for removal.