Rain Screen Siding Detail

Wood sidings installed directly over foam sheathings are more prone to problems such as cupping cracking and paint failures than wood siding installed over wood sheathings.

Rain screen siding detail.

If you re building a house with rigid foam sheathing and a rain screen gap behind the siding you ll need to incorporate some new practices. James hardie recommends that you consult with your design professional if you have questions regarding. Historical rainscreen siding systems. Rainscreen between flat to wall siding and the water resistive barrier as a best practice.

Our system includes top and bottom vents screened. The foam is taped and acts as an air barrier and drainage plane. Apply joint seam filler to the top of the back leg of the head flashing. If you ve never seen this method of siding installation there are tons of resources on the web for details.

A rainscreen is an exterior wall detail where the siding wall cladding stands off from the moisture resistant surface of an air water barrier applied to the sheathing to create a capillary break and to allow drainage and evaporation. Install cor a vent above the window. For single family construction james hardie recommends installing a 90 efficient drainage plane or a 3 8 inch air gap i e. Attach remaining rain screen furring above head flashing.

Tool joint seam filler into place. In my last post i showed some video footage of this rainscreen installation but i ve gotten a few requests for some detail shots. The rainscreen is the cladding or siding itself but the term rainscreen implies a system of building. The details shown here were developed for walls sheathed with 1 1 2 in thick rigid foam insulation applied directly to the studs.

Intercept modular metal panel systems interrupt conventional thought on rainscreen wall systems to inspire spectacular visual results. Typical rainscreen wall and window details per. Ideally the rainscreen prevents the wall air water barrier. 8 nmi base of wa l nts w ar nty p rovi dea c pt 7 0 detail march 2 07 tw olayers f building pa er drywa l v apou rb ie sill gasket th erm al br k slab on grade pt s tr api ngo h 3 4 b el ow cn r t.

Fold wrb flap back down and tape the slit to prevent water intrusion. The gap is very small typically around 1 16 and it is completely invisible when looking at the finished rainscreen system after installation. In modern rainscreen siding systems attached with clips there is an additional air gap between the actual siding boards themselves. James hardie r siding has referred many large companies to us who have used the furring master and who have re ordered.