Vinyl Siding Over Rigid Foam Insulation

Installing foam board insulation under vinyl siding today more than ever before homes are being built with foam board insulation installed on the outside of the sheathing and under the siding.

Vinyl siding over rigid foam insulation.

Is it ok to fasten the vinyl siding through the foam or do i have to apply furring strips. Vinyl siding can be used in original construction or as a replacement for old siding. Minimum nail length must accommodate sheathing and penetrate framing a minimum 1 inches. I still want to put 2 in.

Generally referred to as rigid foam insulation this type of foam insulation is. How to install rigid foam under siding. In reality rigid foam board which sometimes comes in fanfold usually only has an insulating factor of r 1 and does not add any appreciable insulation effect to your home. It typically is installed over rigid foam board insulation fastened to wood wall sheathing.

This detail is used with both new construction and also with renovation work. Insulated vinyl siding is standard vinyl siding with a backing of solid rigid foam insulation. The foam on the outside keeps the wood frame inside the wall warm and dry in. And even though some manufacturers call it rigid foam insulation for the purpose of vinyl siding it basically has the same insulating value as a piece of plywood.

Cladding attachment over thick exterior rigid insulation background current building code does provide prescriptive means to attach cladding over exterior insulation table r704 3 note v. It adds up to a robust system. Xps rigid foam insulation outboard of my structural sheathing so my question is. Plus rigid foam insulation applied over the outside walls.

After going through my remodeling budget it looks like vinyl siding will be in my near future. Many houses built today have a double wall type of insulation with fiberglass batts fastened between the studs on the inside and rigid foam board over. Siding over rigid foam. It also serves as an air barrier.

Current pneumatic nailers have maximum fastener lengths. Installing foam insulation under vinyl siding is a wise choice for homeowners who are seeking to protect their homes against moisture infiltration as well as improve energy efficiency.