Can You Put Vinyl Siding Over Old Siding

Many homeowners choose vinyl siding because it is relatively inexpensive easy for a do it yourselfer to install resists insects and rot and never needs.

Can you put vinyl siding over old siding.

Something you will want to keep in mind when making this decision is how long hardieplank will be on your home. Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify. This type of siding can be placed over some existing siding but most will not be good. Generally the best idea is to remove any existing siding from your exterior walls before installing the vinyl siding.

The main concern to understand is that the hardieplank siding is going to be on the house for. The actual question is should the current siding be removed with osb installed or should the current siding remain to act as a substrate an additional layer beneath the top layer under the new hardieplank siding. Any imperfections in the wall will almost always show up in the siding. 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.

If it isn t there will be more steps that need to take place before it becomes possible and you might need the help of wood siding repair contractors to have the bad boards replaced which isn t always easy to do for the homeowner himself. With other siding types fiber cement engineered wood etc. 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. While covering lap siding with vinyl is an option for some siding other varieties of lap siding can t be covered by vinyl.

To cover a lap siding with vinyl the first thing you need to do is to cover the existing siding with a moisture prevention barrier and highly durable foam insulation. This goes for fiber cement hardwood and masonite siding. There are two options for this. Installing vinyl siding over wood siding.

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. Why siding over existing siding is a bad move. Yes you can put vinyl siding over existing wood siding assuming its condition is still good. On older homes any old siding vinyl or metal needs to be removed.

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. More than 50 years.