Green Buildings Exterior Rigid Insulation Detail Hardie Siding Furring

Your article is vey timely for me.

Green buildings exterior rigid insulation detail hardie siding furring.

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. Exterior wall assembly for siding applied to furring note. Exterior rigid insulation 1x3 wood furring strips. 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. It may look easy to go buy some packs of rigid insulation panels down at the. 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.

Rigid insulation sheathing is made of a rigid plastic foam that is typically sold in 4x8 or 4x10 foot boards. Siding and the water resistive barrier as a best practice. Increased use of continuous insulation such as rigid foam wall sheathing with greater thickness i e. I appreciate you providing more info on this overlooked detail.

1 inch and 2 inch thicknesses are common. This creates an air space between the back of the siding and the face of the foam that drains and dries readily. 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. How to insulate house walls from the outside.

This is why i like this site. The james hardie siding fastener. Continuous rigid insulation is a construction solution that provides a thermally efficient building enclosure. Building science and green building specialization.

Cladding attachment over thick exterior rigid. It was ant chewed rigid foam insulation removed from the. 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. Gypsum sheathing the combined thickness of layers e f must be less than 4 inches.

If layer f from figure 2 above is a non nailable substrate e g. Insulation background current building code does provide prescriptive means to. The furring strips are fastened directly over stud locations and then siding is nailed to the furring strips.