How To Install Vinyl Siding Over Old Wood Lap Siding

Trim the panel lengthwise to fit the space and punch lugs protrusions in the edge of the vinyl every 8 inches or so in.

How to install vinyl siding over old wood lap siding. The ends are then pushed into the j channel on the ends. Once you have attached the first board to the starter strip you will want to check that it was level in its installation. On older homes any old siding vinyl or metal needs to be removed. Using chalk mark intervals around the house where you will install the vinyl panels.

Remember that vinyl siding expands and contracts so you can t nail it securely into place. Install the starter strip. While vinyl lap siding is the easiest kind to install it still happens one panel at a time starting from the bottom starter strip. You can install vinyl siding over old wood siding but should not try to install new vinyl siding over old vinyl siding.

Because of expansion make sure to leave an extra of an inch 6 centimeters on each side of the panels. Generally the best idea is to remove any existing siding from your exterior walls before installing the vinyl siding. Never install vinyl siding over rotten wood. Remove the siding and install oriented strand board commonly referred to as osb or to use the existing siding that s on the house now as substrate or layer beneath the top surface underneath the hardieplank siding.

There are two options for this. These products are designed primarily to pad imperfections on the walls so the new layer of siding will lay flatter. Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify. Fasten panels under windows and at the wall top with a snap lock punch.

While we recommend a full replacement vinyl siding can be installed over old wood siding but it requires an expert attention to detail knowledge of rotting wood mold and considerable preparation. If you do decide to cover your lap siding in vinyl you ll need to first layer the existing lap siding with highly durable foam insulation and a moisture prevention barrier. Why siding over existing siding is a bad move. This goes for fiber cement hardwood and masonite siding.

Yes you may be able to save some money by not removing the old siding but that old siding could be hiding problems that may bite you down the road. The trims and all the siding have to hang somewhat loosely upon nails to enable the siding to grow and contract.