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.
Inspecting roof decking for rot.
If your home has wood siding examine the siding around and beneath the windows for signs of swelling or discoloration.
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.
Gain access to the attic to inspect the plywood or roof decking.
How to fix rotted roof decking 1.
Other s ymptoms of a failing roof include high energy bills and ceiling stains.
A failing roof deck will impact the integrity of a roof.
There are many things we look for during a roof deck inspection.
First we want to make sure the decking meets the local building code requirements.
Probe around railing posts and the decking surface.
Several different materials are acceptable.
During the deck inspection every square foot of the plywood needs checked for problems.
Locate the rotted roof decking.
What needs to be checked during a roof deck inspection.
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.
Paint can hide wood rot so poke the siding with the tip of the.
That moisture can lead to rot and damage in the roof deck.
Learn how to inspect roof deck sheathing.
Water leakage can lead to ceiling spots or leaks stains on interior walls cracked paint or peeling wallpaper.
Check where stair stringers come in contact with the ground or landing pad.
The rating appears as two numbers.
Remove the shingles over the area of the rotted roof decking identified previously.
One of the most common signs that a roof s decking is damaged is a roof leak.
Pry up shingles around the damaged area.
Each shingle is typically secured by eight nails.
7 16 osb 1 2 plywood 3 8 plywood and 1 x 6 hardwood boards are just a few.
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.
Bigger areas of rot may require the wood member be replaced.
Look up at the roof.
Locate nails that hold shingles.
If you re only replacing the portion of the roof with damage you need to find out the.
Detach the nails that.
How to fix rotten wood on a roof locate dry rot roof damage.
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.
Call a professional to evaluate.