Installing Vinyl Siding Over Foam Insulation

Some people use roofing nails but if a strong gust of wind gets under the siding it may not hold.

Installing vinyl siding over foam insulation.

The answer happily is yes. 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 house wrap with rigid foam insulation.

Existing wood siding must be in good shape with no rot or mold and fastened tightly to the wall. Installing vinyl siding over wood siding wood must be sound. Is the fan fold foam an adequate weather resistive barrier. Siding over rigid foam.

The foam on the outside keeps the wood frame inside the wall warm and dry in. Of foam and you can t use furring strips which are not a flat solid surface without voiding the warranty. One of the biggest questions homeowners have about house wrap is whether it can be installed together with foam insulation. A corresponding editor paul fisette responds.

Apply sealant around windows doors and trim. The nails have a plastic cap that keeps them from damaging the foam. 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. In fact the two products combined make your home super insulated from outside wind and weather.

Vinyl siding must be installed against a flat surface. 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. This type of insulation may change and flatten the specialty built in contour of the panel causing the siding to bulge or ripple. Below are some of the design details along with the benefits.

Always follow the manufacturer s instructions for installing rigid foam insulation. So technically speaking you can t nail through or even use 2 in. Fit the rigid foam insulation snugly and seal all seams with the specialized tape. To secure the foam use two inch cap nails.

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. It adds up to a robust system. To be an effective weather resistive barrier though the seams of the fan fold must be carefully taped since any seam can provide a pathway for water to reach the structure under the foam.

Plus rigid foam insulation applied over the outside walls.