Rigid Insulation With Integral Furring Strips

Two new products offer builders new ways to keep their wall sheathing warm.

Rigid insulation with integral furring strips.

If you re unfamiliar with what a furring strip is it s best described as a long slender strip that s constructed from either wood or metal. I am trying to decide just what material to use for the furring strips on my exterior insulation project. Install 1 by 3 furring strips over the insulation panels on top of each stud. Clarkdietrich z furring is used to furr out interior masonry or poured concrete wall substrates and to support rigid polystyrene mineral or fiberglass batt insulation while providing a uniform plane for gypsum panel attachment.

We re attaching 4 of foil faced polyiso boards to a stick framed house with 2x4 walls 24 oc. Where wood is acceptable the architect has been able to specify products that consists of rigid foam insulation with integral wood furring. The furring strips should run vertically from floor to ceiling or from eaves to rafters if you are installing them on a sloped ceiling. Enjoy the foamular insul pink 1 1 2 in.

Metal furring strips come in two different styles. Foamular xps rigid board insulation foamular xps furred wall insulation products include insulpink insulation a product slotted on its long edges to receive a 1x3 nominal wood furring strip insert or insulpink z insulation a product cut to width to fi t between metal z furring strips mounted vertically 24 o c. Vertical displacement of furring strip over 4 of pic insulation 4 thermax 24 oc 4 thermax 16 oc 4 thermax 8 oc 8 oc 13 fasteners 16 oc 7 fasteners 24 oc 5 fasteners. But there are other options.

Exterior rigid insulation 1x3 wood furring strips. R7 5 foam insulation board 271038 made for exterior wall assemblies tough lightweight and offers exceptional insulating power from the home depot. Cladding attachment over thick exterior rigid insulation. Use 2 1 2 inch deck screws to drive the furring strips into the foam and the wood framing beyond.

That usually means rigid foam and furring strips although occasionally it means mineral wool insulation and furring strips. Also because it comes in large sheets installation is much faster than if the furring and insulation are installed separately.