Improperly Installed Vinyl Siding Corners

Original siding was installed improperly no water vapor barrier and misaligned pieces.

Improperly installed vinyl siding corners.

Our house was built in the mid 1990 s. The owner came out and was very thorough in explaining what was needed to complete the job. Vinyl siding is just like any other pvc product which can crack. Then install the corner posts over the flashing.

The corners of vinyl siding are one area where moisture can get in under the siding. Unlike roof flashing which is often visible around chimneys or where a roof line meets a wall the flashing for vinyl siding is hidden behind the siding. Inside corner posts are installed at the existing corners running from 3 4 in. Installing inside corner posts.

Below the bottom of the starter strip. Corner posts above the roofline are a notorious source of water infiltration. Is there room to move. Vinyl siding is designed as an exterior cladding only and is supposed to be installed over other materials such as a weather resistant barrier.

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. Install crew was very professional. Cracking issues with vinyl siding. There should be no buckling or warping in your vinyl siding.

So if you want to save yourself the trouble of some intensive vinyl siding repair you might want to cap each corner post before installing it. Because the vinyl siding itself is unaffected you probably won t know this is happening until it s too late. Cap those corner posts. Hold the corner post up a bit and run the j channel beneath it instead.

To tell if your siding has been installed properly you should look for two main things. This video shows how to install certainteed outside corner posts for vinyl siding. Mice bees and any other common critters will demonstrate an interest in turning those corner posts into their new home. To prevent this put flashing about one foot on each side of the corner.

If the flashing is improperly placed or left off altogether there is no way to tell until substantial damage has occurred behind the siding. I got quotes from three companies and magnolia was very competitive. 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. Vinyl is a potentially leaky material and water trapped behind siding leads to decay and mold.

Although vinyl siding does have its benefits improperly installed siding and trim can cause a lot of problems.