Can You Put Vinyl Siding Over Existing Siding

Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding.

Can you put vinyl siding over existing siding.

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. 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. 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. According to the best practices manual from james hardie existing siding can be used as a substrate as long as it is in good condition meaning that it is not warped.

Vinyl siding needs no maintenance and is rot uv and insect resistant source. This type of siding can be placed over some existing siding but most will not be good. 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. Feirer the bonus of installing vinyl into wood siding is that you can simply hammer the nails into the existing surface.

It s no wonder why. Generally the best idea is to remove any existing siding from your exterior walls before installing the vinyl siding. The manufacturers specifically say that to install their product over existing siding is to void the warranty. If you do decide to cover your lap siding in vinyl you ll need to first layer the existing lap siding with highly durable foam insulation and a moisture prevention barrier.

Using existing siding for replacing siding the best place to start is to closely examine the existing siding to get a good understanding of what condition it is actually in. My parent s house had vinyl siding put on in the early 80s it was put over the aspestos siding. My mother is now looking to possibly have the house resided. Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify.

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. A current trend in home remodeling is doing away with wood siding and installing vinyl siding on the exterior of homes. Any imperfections in the wall will almost always show up in the siding. Yes you can put vinyl siding over existing wood siding assuming its condition is still good.

My question is the old aspestos siding was never removed. Can we just remove the old vinyl and go over the aspestos again or does that have to be removed also tia p. Why siding over existing siding is a bad move. This goes for fiber cement hardwood and masonite siding.