Installing Vinyl Siding Over Styrofoam Insulation

This detail is used with both new construction and also with renovation work.

Installing vinyl siding over styrofoam insulation.

After going through my remodeling budget it looks like vinyl siding will be in my near future. The answer happily is yes. 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. The foam on the outside keeps the wood frame inside the wall warm and dry in.

Vinyl siding can be used in original construction or as a replacement for old siding. Wood siding applied directly to foam has a history of failures. I still want to put 2 in. 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.

Xps rigid foam insulation outboard of my structural sheathing so my question is. How to install rigid foam under siding. Below are some of the design details along with the benefits. I don t think builders should install wood siding directly over plastic foam insulation.

It also serves as an air barrier. Josh braun via email. Siding over rigid foam. Is it ok to fasten the vinyl siding through the foam or do i have to apply furring strips.

Nailing wood siding directly to foam doesn t work because nails have to be extra long to reach through the siding and foam to a solid nail base. Plus rigid foam insulation applied over the outside walls. 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. One of the biggest questions homeowners have about house wrap is whether it can be installed together with foam insulation.

It typically is installed over rigid foam board insulation fastened to wood wall sheathing. In fact the two products combined make your home super insulated from outside wind and weather.