Inspecting Roof Decking For Rot

Several different materials are acceptable. There are many things we look for during a roof deck inspection. The rating appears as two numbers.

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Bigger areas of rot may require the wood member be replaced.

Inspecting roof decking for rot.

Learn how to inspect roof deck sheathing. If your home has wood siding examine the siding around and beneath the windows for signs of swelling or discoloration. How to fix rotten wood on a roof locate dry rot roof damage. Other s ymptoms of a failing roof include high energy bills and ceiling stains.

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. One of the most common signs that a roof s decking is damaged is a roof leak. Locate the rotted roof decking. Probe around railing posts and the decking surface.

A failing roof deck will impact the integrity of a roof. Check where stair stringers come in contact with the ground or landing pad. That moisture can lead to rot and damage in the roof deck. During the deck inspection every square foot of the plywood needs checked for problems.

Detach the nails that. Remove the shingles over the area of the rotted roof decking identified previously. Each shingle is typically secured by eight nails. 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.

Look up at the roof. Roofing over any of these problems is asking for trouble later on in your home s life. Gain access to the attic to inspect the plywood or roof decking. 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.

How to fix rotted roof decking 1. 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. Water leakage can lead to ceiling spots or leaks stains on interior walls cracked paint or peeling wallpaper. 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.

Call a professional to evaluate. 7 16 osb 1 2 plywood 3 8 plywood and 1 x 6 hardwood boards are just a few. Locate nails that hold shingles. Pry up shingles around the damaged area.

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 you re only replacing the portion of the roof with damage you need to find out the. What needs to be checked during a roof deck inspection. Remove the rotten wood.

Paint can hide wood rot so poke the siding with the tip of the. First we want to make sure the decking meets the local building code requirements.