Green Buildings Exterior Rigid Insulation Detail Hardie Siding Furring

It was ant chewed rigid foam insulation removed from the.

Green buildings exterior rigid insulation detail hardie siding furring.

Cladding attachment over thick exterior rigid. Exterior wall assembly for siding applied to furring note. The furring strips are fastened directly over stud locations and then siding is nailed to the furring strips. Siding and the water resistive barrier as a best practice.

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. If layer f from figure 2 above is a non nailable substrate e g. 3 5 fastener to siding 1 embedment 3 5 0 5 1 5 1 5. Would it be better insulation if i remove the celotex and use a 1 foam board instead.

Individual buildings all exterior cladding products including hard siding brick stone stucco and vinyl. In order to increase the insulation values i want to first add a layer of the rigid foam board. The boards are available in several thicknesses and r values. How to insulate house walls from the outside.

Increased use of continuous insulation such as rigid foam wall sheathing with greater thickness i e. This creates an air space between the back of the siding and the face of the foam that drains and dries readily. Insulation background current building code does provide prescriptive means to. The james hardie siding fastener.

I appreciate you providing more info on this overlooked detail. I ve had trouble finding any details on fastening siding to furring strips on a wall with exterior rigid foam insulation. Rigid insulation sheathing is made of a rigid plastic foam that is typically sold in 4x8 or 4x10 foot boards. 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.

Gypsum sheathing the combined thickness of layers e f must be less than 4 inches. Building science and green building specialization. This is why i like this site. Continuous rigid insulation is a construction solution that provides a thermally efficient building enclosure.

1 inch and 2 inch thicknesses are common. Your article is vey timely for me. James hardie recommends that you consult with your design professional if you have questions regarding exterior wall drainage on your single family project.