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