Is It Okay To Install Siding On Top Of Siding

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.

Is it okay to install siding on top of siding. Fall and winter can be the best time to install vinyl siding yes installers can put up new vinyl siding year around. I understand that is not always the case though. Why siding over existing siding is a bad move. Installing siding may seem like a relatively easy project to do on your own.

Well if you are looking to buy one project at a time such as windows then siding or vice versa then i must say that is not a good idea. Weak points are usually at the overlap with sheets above it as the z flashings between the boards may leak if not installed well and cause the siding to delaminate and or rot. Because few people do it in the fall and winter installer are more readily available and you may be able to get a good deal. When adding new siding its ok to leave the old siding in place and in fact may even be necessary as sometimes it is necessary to reinforce the framed walls below.

It may make sense to hire a siding contractor for a number of reasons. If the wood siding is beveled or lapped you will need vertical furring strips 16 inches apart covered with rigid foam board to provide a. Most of the james hardie installation requirements in canada are designed to deal with excess moisture. If you can easily fit your hand underneath your hardie siding 9 times out of 10 that s because the installer didn t nail the boards properly.

Safety can be a big concern when it comes to siding installation. However most homeowners do not have much experience with vinyl siding installation. Vinyl siding must be installed against a flat surface.