How To Install Multiple Corner Posts For Vinyl Siding

Place the corner post in position allowing a 1 4 6 4mm gap between the top of the post and the eave or soffit.

How to install multiple corner posts for vinyl siding.

Expansionwhen the temperature changes vinyl siding expands and contracts. Hammer the first nail into the nailing slot. This seems to defeat the purpose of vinyl exterior. Each corner should be hung straight so drop a plumb line for each corner post.

Trim out with wood. Nail in the center of the nailing slots. This leaves a triangular gap which doesn t look nice either. If a corner post is installed tight to the shingles and the j channel dead ends into it any water that runs down the j channel will back up at the post and may find its way into the house.

Suggestions so far have been. I am using vinyl siding. This video shows how to install certainteed outside corner posts for vinyl siding. The corner post hangs from these nails.

The way to allow for this expansion is to install the corner post down from the soffit or top of the corner. Any help is. Corner posts above the roofline are a notorious source of water infiltration. When installing the starter strips allow a 1 8 inch space for corner posts and j channels for expansion.

Keep ends of adjoining starter strips at least 1 4 inch apart to allow for expansion. Use two j channels. If you are going to install siding vertically on the dormer i guess you would use j channel at the bottom and top and as far as i can see yes you d probably need to notch either the end of the j channel or the corner post where the j channel runs into it to allow water to drain out. To seal the edge of a siding panel where it has been cut and to secure it to the wall you can use under sill trim.

Use a standard corner but flatten it out. Hold the corner post up a bit and run the j channel beneath it instead.