Installing Siding Over Foam Insulation

Is it ok to fasten the vinyl siding through the foam or do i have to apply furring strips.

Installing siding over foam insulation.

To secure the foam use two inch cap nails. We had hoped to use 1 5 to 2 inches of eps rigid foam to the exterior of the sheathing then 3 4 inch x 4 inch plywood furring strips then lp smartside lap siding. One of the biggest questions homeowners have about house wrap is whether it can be installed together with foam insulation. Set panels on the wall starting at one end of the house align the edges with the corner and bottom of the wall and.

Siding over rigid foam. Snap a level chalk line all the way around the house at the bottom of the walls using a tape measure level and. Wood siding including cedar siding should be installed over an air space regardless of the type of sheathing used. Choosing the right furring strips is key to preserving a warranty for this engineered wood siding.

A homeowner in southwest virginia wants to install engineered wood siding over exterior foam insulation but finds that the manufacturer s installation instructions raises concerns he hadn t thought of. It adds up to a. I still want to put 2 in. In fact the two products combined make your home super insulated from outside wind and weather.

Measure the walls from top to bottom with a tape measure and buy either 4 by 8 foot or 4 by 9 foot sheets of rigid. Then i discovered that lp s installation instructions specify 1 5 inch x. You ll need to properly flash window and door openings. How to install vinyl siding over new insulation 1.

One new wrinkle for many builders is walls built with fiber insulation between the studs plus rigid foam insulation applied over the outside walls. Xps rigid foam insulation outboard of my structural sheathing so my question is. Should tar paper or housewrap be used as well. Cover the house walls with 4 by 8 foot sheets of rigid foam insulation typically 1 2 to 1 inch thick nailed to wood.

You ll need longer nails for nailing trim and siding. Installing house wrap with rigid foam insulation. We knew we had to use the 76 series smartside product for the 24 inch centers. We re building a new home sw virginia with 2x6 studs on 24 inch centers.

Installation details are key. William costello is building a new house in southwest virginia that will be framed with 2x6s and will include up to 2 inches of exterior rigid foam insulation. How to install rigid foam under siding 1. What are the risks of installing cedar siding directly over foil faced rigid foam insulation.

Always follow the manufacturer s instructions for installing rigid foam insulation. Apply sealant around windows doors and trim. The answer happily is yes. Fit the rigid foam insulation snugly and seal all seams with the specialized tape.

Some people use roofing nails but if a strong gust of wind gets under the siding it may not hold. Josh braun via email. After going through my remodeling budget it looks like vinyl siding will be in my near future.