Green Buildings Exterior Rigid Insulation Detail Hardi Siding Furning

Gypsum sheathing the combined thickness of layers d e must be 1 inch or less.

Green buildings exterior rigid insulation detail hardi siding furning.

The idea makes sense if it s done correctly. 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. Should i use furring strips to create the gap or just nail the hardie siding directly through the foam. Appreciated for its durability ease of maintenance and versatility as well as its low installation cost vinyl siding is a solution for exterior cladding products on residential and light commercial buildings.

If layer e from figure 1 above is a non nailable substrate e g. Wrapping a home with insulating sheathing saves energy and can be cost effective but the design must consider a host of structural concerns including moisture shear loads insects and fire. Exterior wall assembly for siding applied directly over foam note. I wanted to have 2 minimum exterior rigid but the contractor pointed out that the literature on the specified siding hardi plank only supported up to 1 rigid insulation.

If furring strips are the answer what specific material should be used for these strips. This older article by our former faculty member remains available on our site for archival purposes. Hi i recently completed a single family home in va with 6 stud walls cellulose and exterior rigid insulation. I plan to build a home with 1 5 exterior rigid foam insulation and hardie lap siding.

6 requires that continuous rigid insulation insulated siding or a combination of the two provide r 3 in climate zones 1 to 4 or r 5 in climate zones 5 to 8. A 100 hardie exterior features america s 1 brand of siding and the only trim with the character to stand beside it. Cladding attachment over thick exterior rigid insulation conclusions system mechanics initial load response measurements are on the order of 40. They also did not seem to support a rainscreen detail of any type when rigid insulation was used.

Whether it s to meet code or to adhere to a green target more and more builders are adding a layer of rigid foam insulation on the outside of homes. 3 5 fastener to siding 1 embedment 3 5 0 5 1 5 1 5 max insulation. The rater should also verify that the wall is designed to provide adequate shear resistance if the foam insulation also serves as the exterior sheathing. Energy star version 3 rev.

Learn if you re applying exterior rigid foam correctly. 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.