This damage points to excess moisture collecting in the shingle mats.
Rotten roof shingles.
Shingles that are rotting show pieces chipping away in some cases large chunks of the shingle will fall off.
Pull the shingles and underlying felt off the entire board not just the area that s rotted.
Remove the shingles over the area of the rotted roof decking identified previously.
Pry up shingles around the damaged area.
Use a flat garden spade to remove the shingles and inspect the sheathing to ensure there s no rot.
How to fix a rotten board on a roof safety first.
When water flows off the edge of your roof some of it clings to the underside of the shingles and dribbles toward the fascia.
Remove the rotten wood.
Roofers will assess the damage and try to fix the problem by replacing part or all of the affected shingles.
Take safety precautions at every step in the process.
If you re only replacing the portion of the roof with damage you need to find out the.
Eventually the fascia soffits and even the roof sheathing will rot.
Each shingle is typically secured by eight nails.
If you detect rotten roof sheathing replace it.
There are countless decent videos on youtube that.
If you have gutters but no gutter apron to stop the water it will wick behind the gutter.