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