Remove the wood blocks and put an 5 inch gutter it will compensate for the gap.
Gap between roof and fascia.
That area is supposed to be open for venting the roof.
Replace all rotted wood with pressure treated lumber.
Do not remove the blocks install same size gutter without any modification.
Cut the tip on a tube.
Remove the wood blocks and install same size 4 inch gutter as gap is too small to make difference.
They cost more but the head of the screw remains a couple of inches away from the fascia making them a lot easier to install.
Start at the.
Set the angle of the circular saw blade to match the slope of your roof and run the saw along the top edge of each fascia board.
Subtract 1 32 inch for every 10 feet of gutter and then note down the new total at the bottom end of the gutter run.
Drive a nail at this spot and then snap a chalk line between the two nails.
Measure the distance from this nail to the bottom of the fascia board.
The gap is meant to help with airflow throughout the attic.
Do not seal rotted.
Rip the tops of the fascia boards to match the slope of your roof.
Mark the slope by driving a nail at the designated spot below the gutter.
Gap is not needed.
However it should be covered with a material made of aluminum or vinyl with a type of screen to allow air to enter but keep small animals and rodents out.
Set a ladder up to gain access to the fascia boards.
Making the tops of your fascia boards the same angle as the roof allows you to easily place roofing material over them without creating bumps or ridges.
Inspect the fascia boards for damaged areas.
However this gap is the perfect place for pests and unwanted wildlife to enter your home.
To get an idea of what i am talking about google soffit and fascia and you will see typical installations.
If your shingles overhang your fascia by a few inches or you have steel roofing buy the brackets with the screws built in the type shown here.
Position the ladder on firm level ground.
This gap is caused when roof decking is stopped too short and is not flush with the fascia.
How to seal fascia gaps in a roof 1.