Vinyl Siding Over Rigid Insulation

Vinyl siding can be used in original construction or as a replacement for old siding.

Vinyl siding over rigid insulation.

Install continuous rigid foam insulation or insulated siding to help reduce thermal bridging through wood or metal framed exterior walls. The foam on the outside keeps the wood frame inside the wall warm and dry in. Siding over rigid foam. Install over a water resistant barrier.

It also serves as an air barrier. 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. It adds up to a robust system. So if you re comparing proposals to install new vinyl siding on your home please be aware of this important fact.

Minimum nail length must accommodate sheathing and penetrate framing a minimum 1 inches. Current pneumatic nailers have maximum fastener lengths. An honest professional vinyl siding contractor will tell you exactly what you re getting. 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.

By filling the voids behind the siding s stepped profile the insulation makes the complete material stiffer and more resistant to warping and movement than conventional vinyl siding. Plus rigid foam insulation applied over the outside walls. I have already installed new windows and firred them out 1 1 2. There are insulated rigid foam products that will increase the insulation factor but you ll pay much more for r 5 to r 7.

I was thinking to install strapping over the insulation and siding over the stapping. It typically is installed over rigid foam board insulation fastened to wood wall sheathing. How to install rigid foam under siding. 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.

Insulated vinyl siding is standard vinyl siding with a backing of solid rigid foam insulation. Install rigid foam over or in place of plywood osb or other wall sheathing.