How Much Should You Overlap Vinyl Siding

Lap siding is designed to move water down an exterior wall without allowing the water to.

How much should you overlap vinyl siding.

How to overlap siding. If it gets up over 200f it can melt and distort. When cutting vinyl siding it s usually to go into a corner. The industry standard warrants between one and one and a quarter inch of overlap where two panels meet.

At overlaps allow for expansion by cutting 1 1 2 inches off the nailing flange at the end of the overlapping panel. Longer panels show fewer visible seams but are generally 25 to 30 more expensive than the standard sized siding panels. When installing the siding portions of these parts need to be cut to overlap and mesh with the adjoining panel strips. Because vinyl siding moves as the temperature changes make certain that the vinyl panels can move freely in a lateral direction.

This results in a messy and unkempt look. You need to leave at least 1 4. Overlap vinyl panel ends in accordance with manufacturer s recommendations typically 1 inch. Certainteed overview on vinyl siding overlapping accessories.

A standard 12 foot piece of vinyl siding can expand just over 1 2 inch from what it measures in the dead of winter to a blistering hot summer day. Mind the overlaps always refer to the installation guide on the particular vinyl siding that you re installing but most vinyl siding panels should overlap each other by at least an inch. Whatever your measurement is take at least 1 4 or 1 8 on both sides for the panel to slide back and forth. This damage was caused by windows on another house that reflected and concentrated the sun s rays.

The most common vinyl siding panels have a standard length of 12 feet and they will always overlap because of this. If you don t cut your siding short when it expands in the summer it s going to buckle. Lap siding is a traditional form of cladding a structure against the elements. Always pre drill holes into fascia and do not nail tight.

When overlapping aluminum vinyl fascia covers make sure to overlap 3 4 19mm. Vinyl siding is plastic. You may also need to face nail the fascia. On hot days because the siding will contract when the temperature drops.