Is It Okay To Install Siding On Top Of Siding

Installing siding may seem like a relatively easy project to do on your own.

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. Vinyl siding must be installed against a flat surface. 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. Why siding over existing siding is a bad move.

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. Covering flat walls such as t 111 or stucco siding is usually a prime siding for re 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. 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.

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. Generally people get both done at the same time. Most of the james hardie installation requirements in canada are designed to deal with excess moisture. I understand that is not always the case though.

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. Since the material is relatively flat the new siding can be installed easily and this also adds an additional layer of security for the siding.