Inspecting Roof Decking For Rot

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.

Inspecting roof decking for rot.

That moisture can lead to rot and damage in the roof deck. Several different materials are acceptable. 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. These problems could show up in the form of water damage dry rot de lamination if plywood cupping if ship lap or 1 inch boards and general damage.

Paint can hide wood rot so poke the siding with the tip of the. Roofing over any of these problems is asking for trouble later on in your home s life. Other s ymptoms of a failing roof include high energy bills and ceiling stains. What needs to be checked during a roof deck inspection.

During the deck inspection every square foot of the plywood needs checked for problems. If you re only replacing the portion of the roof with damage you need to find out the. If your home has wood siding examine the siding around and beneath the windows for signs of swelling or discoloration. Bigger areas of rot may require the wood member be replaced.

The first number is the maximum span for roof sheathing assuming that the panels are installed with the long dimension across three or more supports with the edges supported. Detach the nails that. Remove the rotten wood. One of the most common signs that a roof s decking is damaged is a roof leak.

Probe around railing posts and the decking surface. 7 16 osb 1 2 plywood 3 8 plywood and 1 x 6 hardwood boards are just a few. The rating appears as two numbers. Remove the shingles over the area of the rotted roof decking identified previously.

Locate the rotted roof decking. Look up at the roof. Call a professional to evaluate. Water leakage can lead to ceiling spots or leaks stains on interior walls cracked paint or peeling wallpaper.

Each shingle is typically secured by eight nails. 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. First we want to make sure the decking meets the local building code requirements. How to fix rotted roof decking 1.

How to fix rotten wood on a roof locate dry rot roof damage. Locate nails that hold shingles. Pry up shingles around the damaged area. Check where stair stringers come in contact with the ground or landing pad.

Learn how to inspect roof deck sheathing. Serious issue possible fha concern this wood rot found just below the roof is caused from rain water or ice build up in the winter.