Installing Vinyl Siding Over Foam Insulation

The by the book answer to your question is that vinyl siding manufacturers require a flat solid supportive surface and limit foam installed under their siding to a maximum of 1 in.

Installing vinyl siding over foam insulation.

The nails have a plastic cap that keeps them from damaging the foam. A corresponding editor paul fisette responds. It typically is installed over rigid foam board insulation fastened to wood wall sheathing. To secure the foam use two inch cap nails.

One of the biggest questions homeowners have about house wrap is whether it can be installed together with foam insulation. Is the fan fold foam an adequate weather resistive barrier. Fit the rigid foam insulation snugly and seal all seams with the specialized tape. Vinyl siding must be installed against a flat surface.

Apply sealant around windows doors and trim. Of foam and you can t use furring strips which are not a flat solid surface without voiding the warranty. This type of insulation may change and flatten the specialty built in contour of the panel causing the siding to bulge or ripple. If the wood siding is beveled or lapped you.

Installing house wrap with rigid foam insulation. In fact the two products combined make your home super insulated from outside wind and weather. Existing wood siding must be in good shape with no rot or mold and fastened tightly to the wall. So technically speaking you can t nail through or even use 2 in.

Some people use roofing nails but if a strong gust of wind gets under the siding it may not hold. Below are some of the design details along with the benefits. The answer happily is yes. The foam on the outside keeps the wood frame inside the wall warm and dry in.

Siding over rigid foam. Before installing vinyl siding over existing wood siding we first install a layer of fan fold foam insulation. Always follow the manufacturer s instructions for installing rigid foam insulation. It adds up to a robust system.

Rigid foam will shed any water that gets past leaky vinyl siding. This detail is used with both new construction and also with renovation work. Some manufacturers strongly recommend against the use of drop in type foam or fiberboard behind its vinyl siding. Vinyl siding can be used in original construction or as a replacement for old siding.

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.