Foam Insulation On Siding With Nail Strips

When applying james hardie siding to furring strips which is applied on foam sheathing or other non nailable substrates e g.

Foam insulation on siding with nail strips.

Below are some of the design details along with the benefits. Of course i did this all knowing my warranty would be void. I m looking to attach vinyl siding to 1x4 furring strips over 2 1 2 foam. Gypsum sheathing with a combined thickness up to 4 inches thick the foam sheathing and other non nailable substrates do not have nail holding capacity.

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. Given the beefiness of their headlok fasteners i m going to say that one end of that spectrum is serious overkill vs the other. The studs conduct more heat than the insulation between them. This detail is used with both new construction and also with renovation work.

Their table suggests that vinyl attached to furring strips over 1 of foam is the same as cementious siding over 4 of foam. Lp siding with fern strips over insulation. This eliminates thermal bridging which is the energy lost through wall studs. Last year i installed lp lap smart trim shingles and the 4x8 sheets of lp with batts all over 3 of continous xps foam using fern strips.

Well call me half hazard. The panels provide a continuous energy efficient surface.