Do I Need Foam Under Vinyl Siding

Similar to blown in insulation insulated vinyl siding provides r value for improved energy efficiency.

Do i need foam under vinyl siding.

Vinyl siding can be installed directly over wall sheathing wood siding or stucco. This detail is used with both new construction and also with renovation work. To secure the foam use two inch cap nails. How to install rigid foam under siding.

Apply sealant around windows doors and trim. Some manufacturers of vinyl siding do not recommend the use of drop in backers with certain vinyl siding configurations. If they use a backer board at all contractors will often call it and sell it as insulation board. But herein lies the problem.

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. Contoured insulation that is permanently adhered to vinyl siding. As an alternative installation of specific types of drop in contoured foam underlayments for various styles of vinyl siding are available. Vinyl siding must never be applied directly to studs without sheathing.

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. But insulated vinyl siding has one unique feature. And just like flat insulating sheathings and fanfolds insulated siding also levels the wall for a better looking siding job.

Also during this siding process you may also consider asking your contractor to add foam insulation between the vinyl and the house wrap for increased r value. 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. Certainteed vinyl siding with the correct rigid foam board backer makes this house look great. This will help your house wrap perform better and if you re already siding your house you may as well include it as installing it later will require a complete re siding.

The nails have a plastic cap that keeps them from damaging the foam. Fit the rigid foam insulation snugly and seal all seams with the specialized tape. Many people install vinyl siding or concrete board sding to improve the look and value of their home. 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.