What Do I Need For Vinyl Siding Over Existing

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.

What do i need for vinyl siding over existing.

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. Most types of vinyl fiber or cement fiber siding install after the trim is in place. Long gone are the days that vinyl siding was known as a cheap alternative to aluminum that easily cracked buckled and faded. Today s technological advances in the vinyl industry have greatly improved the product s chemistry and installation techniques.

This type of siding can be placed over some existing siding but most will not be good. Any imperfections in the wall will almost always show up in the 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. 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.

With other siding types fiber cement engineered wood etc. Covering flat walls such as t 111 or stucco. 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. 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.

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. 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. The manufacturers specifically say that to install their product over existing siding is to void the warranty.

The most common practice when installing vinyl siding over existing wood shingles or clapboard is to first put up rigid foam or fan fold. Insert siding nails every 16 inches into the furring strips but do not insert nails between the strips. Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding. Siding installation starts at the bottom flush with the bottom of the sill plate and each successive siding strip installs above the previous one.

Vinyl siding s reputation has greatly improved over the last 50 years.