How To Hang Vinyl Siding Over Lap Siding

Don t drive the nails tight.

How to hang vinyl siding over lap siding.

While vinyl lap siding is the easiest kind to install it still happens one panel at a time starting from the bottom starter strip. Even though most reputable contractors will never install siding over existing siding there are knuckleheads out there that will say you can do it and it s not a problem. Install the starter strip. Each panel should be able to move back and forth or the siding will bubble on really hot days.

This could be done with vinyl but not with a cement siding where you nail right to the house as opposed to hanging the siding like you do with vinyl or aluminum. Gap at all ends. Using chalk mark intervals around the house where you will install the vinyl panels. Vinyl siding installation is designed to hang loosely on the sheathing so that it can expand and contract with temperature changes.

To prevent the relatively thin panels from buckling observe these fitting and nailing rules. Once you have attached the first board to the starter strip you will want to check that it was level in its installation. Remember that vinyl siding expands and contracts so you can t nail it securely into place. The trims and all the siding have to hang somewhat loosely upon nails to enable the siding to grow and contract.

Galvanized roofing nails for your vinyl siding unless the sheathing has foam on it. The siding slides behind vinyl siding trim pieces that hide the gap and the cut end. If you have 10 lap siding run a strip of fanfold 1 1 2 wide horizontally across the siding at 5 in the middle of the lap so that when you put a straightedge from one lap to the next the foam will be supported in the middle of that 10 span. There are two options for this.

This goes for fiber cement hardwood and masonite siding. While covering lap siding with vinyl is an option for some siding other varieties of lap siding can t be covered by vinyl. Because of expansion make sure to leave an extra of an inch 6 centimeters on each side of the panels. However it is quite difficult to install vinyl over other varieties of lap siding because any imperfections in the wall will show up after installing the new siding.

Fasten panels under windows and at the wall top with a snap lock punch. Then you ll want longer ones. Generally the best idea is to remove any existing siding from your exterior walls before installing the vinyl 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.