First remove the corner piece then slide the zip tool under the siding and loosen it up.
How to replace corner piece of vinyl siding.
Be careful because older siding can become brittle.
Vinyl siding corners are no exception.
The corner posts should run from 3 4 inch 1 9 cm below the bottom of the starter strip to just beneath the eaves after the soffit pieces have been installed.
Step 1 slide the vinyl siding removal tool just under the bottom lip of the uppermost piece of vinyl siding and pry gently upwards.
You may want to wait for a warm day when the siding will be softer and more pliable.
You can t do that with vinyl corner pieces.
With damaged wood corner pieces you simply remove the damaged piece and replace it with a new one.
Install 1 2 inch 12 7 mm foam sheathing strips on both sides of each corner then install your corner siding pieces to these strips.
Hgtv expert henry harrison shows how you can reattach it using a vinyl siding removal tool also known as a zip tool.