The manufacturers specifically say that to install their product over existing siding is to void the warranty.
What do i need for vinyl siding over existing.
It can be applied over existing masonry or wood siding to transform the look of your home.
Any imperfections in the wall will almost always show up in the siding.
Just like vinyl siding you ll need to ensure the siding surface is completely flat either by the old siding or by adding slats to the wall.
With other siding types fiber cement engineered wood etc.
Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding.
Another benefit of quality vinyl siding is that it is highly water resistant when correctly installed.
Some contractors that favor vinyl may go so far as to say it s borderline waterproof.
Vinyl is durable and low maintenance.
These products are designed primarily to pad imperfections on the walls so the new layer of siding will lay flatter.
Covering flat walls such as t 111 or stucco.
This type of siding can be placed over some existing siding but most will not be good.
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.
No siding manufacturer voids a warranty for installing siding over existing siding.
Rot and deterioration is something that shows up as you install the siding.
Vinyl siding is made from polyvinyl chloride pvc and requires no painting or caulking.
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.
Installing vinyl siding over wood siding.
Although i do not recommend siding over existing siding i suppose a case could be made for doing so if you had an asbestos shingled house that was in great shape and you wanted to retain the fire retardant protection of the asbestos but still reside the house cheaply.
This siding is available in a variety of colors and textures.
And in the 30 plus years installing vinyl i have never had a recall from problems that were missed during the job or were the results of the installation.
In reality although the vinyl material itself is waterproof the numerous seams and gaps that occur during installation aren t.
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.
Vinyl siding is one of the least expensive siding options.