Green Buildings Exterior Rigid Insulation Detail Hardie Siding Furring

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Green buildings exterior rigid insulation detail hardie siding furring.

3 5 fastener to siding 1 embedment 3 5 0 5 1 5 1 5. James hardie recommends the use of building paper type weather resistive barriers with all siding products. 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. I install 1x furring strips vertically over the foam to support fiber cement lap siding.

In order to increase the insulation values i want to first add a layer of the rigid foam board. Increased use of continuous insulation such as rigid foam wall sheathing with greater thickness i e. 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. 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.

The furring strips are attached to the studs with 4 screws at 6 to 8 o c. Method 1 james hardie siding installed directly over continuous insulation c i and other non nailable substrates e g. How to install rigid foam. I do not use the foam as the drainage plane however.

February 13 2013 exteriors insulation air sealing siding i ve become a big fan of utilizing outsulation on all my houses over the last 2 3 years. 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. Insulated siding installed over furring strips alone would not be considered home insulation. James hardie recommends that you consult with your design professional if you have questions regarding exterior wall drainage on your single family project.

Insulation background current building code does provide prescriptive means to. Cladding attachment over thick exterior rigid. Individual buildings all exterior cladding products including hard siding brick stone stucco and vinyl. And other non nailable substrates e g.

Some building codes exempt the use of weather resistive barriers over water repellent panel sheathing or exterior panels classified as weather resistive barriers. Siding and the water resistive barrier as a best practice.