Should I Put Insulation Board Behind Vinyl Siding

To make sure the job is being done correct i don t want to find out in hindsight that a 1 4 or 1 2 inch of rigid foam board should have been put under the vinyl shake.

Should i put insulation board behind vinyl siding. Another option for adding insulation to the walls of a home is to use insulated vinyl siding. Behind this skin is a layer of expanded polystyrene eps that is form fitted to the stepped siding profile of the vinyl. There are insulated rigid foam products that will increase the insulation factor but you ll pay much more for r 5 to r 7. This is most common with vinyl siding.

July 13 2016 at 5 38 am. So if you re comparing proposals to install new vinyl siding on your home please be aware of this important fact. An honest professional vinyl siding contractor will tell you exactly what you re getting. Before installing vinyl siding over existing wood siding or wall sheathing the wood must be dry and in good condition.

Although using flat insulation with traditional siding can be a cheaper alternative it doesn t come with all the additional benefits that insulated vinyl siding can provide. Insulated vinyl siding. I thought i should show why continuous foam under the exterior siding is so important. This is typically used to go over the existing siding in order to create an even surface to keep the siding plum during installation.

The wood that goes under residential siding exterior sheathing performs several functions. Installing insulation over moisture or existing rot can create larger headaches later. Why insulation under the siding is important. The insulation is glued in place for a permanent connection.

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 glenn hooper june 2 2015. 1 2 polystyrine foam board insulation. Installing foam board insulation under vinyl siding.

As many things in building science go you my dear reader have to learn something. I get asked if this or that in the in the cavity works as well as foam under the siding. The foam board is nailed in place with washer head nails should be taped at the seams to prevent air movement. It also provides a.

The backside of the insulation is flat so the siding. How to install rigid foam under siding. 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. Insulated vinyl siding has an outer skin made of polyvinyl chloride or pvc just like standard vinyl siding.