How to build a soffit box or gable end soffit box using vinyl or aluminum soffit and fascia.
How to install soffit on gable end with wood siding.
The other end will be closest to you.
Use a trim nail punch to drive 1 1 2 in.
Soffit nails into each of the outer v grooves the groove flange and the center groove of panels that have center backing.
Square up the panel to the house with a carpenter s square and nail the outside of the panel to the bottom of the wooden 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.
Installation of a wooden soffit is in much the same manner except nailing strips are first fastened in place.
In most instances you will close off the gable end fascia with a cornice box or a fascia end cap.
Here s how to frame a boxed soffit on the eave and gable end of a building.
Begin at one bottom edge of the gable and slide the soffit into the f channel along the wall.
Corners are formed by using an h bar and mitering the panels into the bar.
This is how i did my pole barn workshop and at the end of the video i also show.
Before you nail it slide it a tiny bit out from the back of the f channel approximately 1 16 inch.
This is a very small amount but it will keep your soffit from bending later.