Determine the preferred method of installing soffit at the fascia board.
How to install vinyl siding soffit and fascia.
This video covers installing the fascia and proper nailing.
Most overhangs are 6 or 1.
Use the following instructions for vinyl soffit and fascial installation.
Using a level make pencil marks on the wall parallel with the lower edge of wood fascia board at the end of each wall.
Attach an f channel to the bottom outer edge of the fascia board.
Cut your soffit pieces.
Place the soffit panels in the channel slots so that the panels meet.
These are for reference points.
Measure the distance between the channels.
Certainteed installation guide for vinyl carpentry soffit fascia.
Slide one end into the j channel and nail the far side of the soffit to the wood fascia board using one nail to keep the soffit in place until you install the vinyl fascia.
If the soffit is to turn a corner cut and install j channel to allow 1 4 6 4mm for expansion at each of the adjoining walls and fascia boards.
Cut the soffit panels to the measured size.
When installing j channel at either wall of fascia board nail every 8 to 12 203mm to 305mm.