Each corner should be hung straight so drop a plumb line for each corner post.
How to install vinyl siding corners.
Cap the corner posts.
Overlap each panel 1 in.
Of the factory prenotched cutouts.
Understand how to deal with wrap around soffit.
Measure and cut the soffit.
Mice bees and all sorts of other critters love making their home inside vinyl corner posts.
If the soffit on your house wraps around a corner you will need to.
Hammer the first nail into the nailing slot.
Installing balance of siding.
Siding should be lapped away from high traffic areas i e doors sidewalks etc.
13 simple vinyl siding installation tips use the wider starter strip.
This video shows how to install certainteed outside corner posts for vinyl siding.
From end of panel to allow neat lap.
Leave a 1 4 in.
Nail j channel pieces under the fascia.
The way to allow for this expansion is to install the corner post down from the soffit or top of the corner.
Install lengths of j channel along the inner edge of the fascia.
Last nail should be at least 10 in.
Space where panel butts corner post.
The bottom of the starter strip the part the bottom panel hooks on to should be at least.