Green Buildings Exterior Rigid Insulation Detail Hardie Siding Furring

I ve had trouble finding any details on fastening siding to furring strips on a wall with exterior rigid foam insulation.

Green buildings exterior rigid insulation detail hardie siding furring.

This creates an air space between the back of the siding and the face of the foam that drains and dries readily. This is why i like this site. Exterior rigid insulation 1x3 wood furring strips. 1 inch and 2 inch thicknesses are common.

The furring strips are fastened directly over stud locations and then siding is nailed to the furring strips. It was ant chewed rigid foam insulation removed from the. Up to 4 in thickness is an effective means of meeting or exceeding modern energy code requirements or green building rating requirements such as leed energy star epa and the icc 700 national green building standard. In order to increase the insulation values i want to first add a layer of the rigid foam board.

Individual buildings all exterior cladding products including hard siding brick stone stucco and vinyl. 3 5 fastener to siding 1 embedment 3 5 0 5 1 5 1 5. The james hardie siding fastener. Siding and the water resistive barrier as a best practice.

If layer f from figure 2 above is a non nailable substrate e g. James hardie recommends that you consult with your design professional if you have questions regarding exterior wall drainage on your single family project. Exterior wall assembly for siding applied to furring note. Insulation background current building code does provide prescriptive means to.

Would it be better insulation if i remove the celotex and use a 1 foam board instead. It may look easy to go buy some packs of rigid insulation panels down at the. Gypsum sheathing the combined thickness of layers e f must be less than 4 inches. Hardie plank recommends a maximum of 1 of foam board celotex type material under their lap siding so the 1 2 foam and 1 2 celotex would be fine.

Building science and green building specialization. Increased use of continuous insulation such as rigid foam wall sheathing with greater thickness i e. Continuous rigid insulation is a construction solution that provides a thermally efficient building enclosure. Adding extra insulation to the exterior walls of an older home when renovating or remodeling is a great way of improving a home s walls thermal performance and reducing energy use while reducing heating bills carbon footprint and improving a building s comfort level.

The boards are available in several thicknesses and r values. How to insulate house walls from the outside. I appreciate you providing more info on this overlooked detail.