Installing Vinyl Siding Corner Posts

The way to allow for this expansion is to install the corner post down from the soffit or top of the corner.

Installing vinyl siding corner posts.

Inside corner posts are installed at the existing corners running from 3 4 in. Expansionwhen the temperature changes vinyl siding expands and contracts. Start by cutting off a few inches of the j channel portion on the post. If you need to stack posts end to end to reach the full height of the wall cut 1 4 inch from the bottom of the top post and position it so that it overlaps the lower post by 1 inch or so so it will shed water.

Fold back the remaining flaps and gently tap a crease into them with your hammer. If vinyl soffit is to be installed allow proper distance below the underside of eaves for soffit installation accessories which vary according to the accessory used. After checking with a level for plumb nail them every 12 inches. Installing inside corner posts.

Hammer the first nail into the nailing slot. Below the bottom of the starter strip. This video shows how to install certainteed outside corner posts for vinyl siding. Each corner should be hung straight so drop a plumb line for each corner post.

In this video we share a quick tip on how to keep your corner post insert in place dur. Keep these pests out by capping each post before you install it.