Green Buildings Exterior Rigid Insulation Detail Hardie Siding Furring

The building codes are all headed the way of requiring exterior rigid foam the 2012 iecc will require 1 2 foam to boost overall efficiency so i m really not too far ahead of my time with.

Green buildings exterior rigid insulation detail hardie siding furring.

James hardie recommends that you consult with your design professional if you have questions regarding exterior wall drainage on your single family project. 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. 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. And other non nailable substrates e g.

I do not use the foam as the drainage plane however. Siding and the water resistive barrier as a best practice. 3 5 fastener to siding 1 embedment 3 5 0 5 1 5 1 5. In order to increase the insulation values i want to first add a layer of the rigid foam board.

Gypsum sheathing with combined thickness of 1 inch or less method 2 james hardie siding installed to furring strips that are attached through the c i. The furring strips are attached to the studs with 4 screws at 6 to 8 o c. Some building codes exempt the use of weather resistive barriers over water repellent panel sheathing or exterior panels classified as weather resistive barriers. When insulated siding is installed over furring strips the space between the furring strips must be filled in with rigid insulation or another appropriate building material.

Individual buildings all exterior cladding products including hard siding brick stone stucco and vinyl. Insulated siding installed over furring strips alone would not be considered home insulation. How to install rigid foam. Exterior rigid insulation 1x3 wood furring strips.

James hardie recommends the use of building paper type weather resistive barriers with all siding products. Insulation background current building code does provide prescriptive means to. James hardie will assume no responsibility. Method 1 james hardie siding installed directly over continuous insulation c i and other non nailable substrates e g.

I have completed several projects that use foil faced polyiso as the exterior rigid insulation board. Increased use of continuous insulation such as rigid foam wall sheathing with greater thickness i e.