If you don t seal them properly water can run off the roof and into your home.
Roof sheathing and fascia board.
Fascia boards attach to rafter ends along the roof line.
The framing continues with roof sheathing.
Mark out 3 ft 0 91 m sections along your fascia board with a pencil.
When sheathing a roof the first step is to snap a line so that the first row goes on straight.
This is to ensure that you can perfectly fit the roof into them.
You can also add some boards behind your fascias.
Though you always have the choice which one you would want to install first you can stick to the habit of setting up the sheathing of your roof as well as the fascia boards first.
4 reduced roof tile overhang by capping over the boards the guttering will be set slightly further away from the roof tiles this may cause rain water to run behind the gutter rather than into it.
How to seal fascia gaps in a roof.
This is a known issue that is directly caused by capping over the fascia instead of doing a proper job and replacing it.
Make vertical cuts into the fascia board between your roof rafters.
And hold it on the sheathin and let it stick over about 3 inches and push the facia up until it just touches the bottom of the speed sq u can use a 12 2x4 for this.
Cut the board into 3 ft 0 91 m sections with a reciprocating saw.
Hence why it s best to just remove and replace it and then fix directly to a solid and reliable structure such as a roof rafter.
Take a small scrap of the sheathing and a 2 piece of the facia from ur ladder hold the sheathing on the roof and slide it down to where the bottom edge of the sheathing is flush with the edge of the rafter or sub facia then hold the facia up to it remember to hold the facia at th angle of the roof we use a speed sq.
But if you snap it at 40 inches then the sheathing will not project over the subfascia or true fascia.