Rain Screen Behind Siding

The clear choice mortairvent rain screen perfect for all exterior siding applications.

Rain screen behind siding.

The key is to isolate the housewrap or tar paper from the siding rain screen walls have an airspace between the siding and the building paper or house wrap. A simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding. Off the wall surface. The devil is in the details in this case the air intake and flow behind the skirt board.

Build a rain screen wall sidebar facing page. Ideally the rainscreen prevents the wall air water barrier. Trapped moisture from driving rain or condensation can cause major problems. Compatible bug screen and flexible sealing tape are also available.

The rainscreen is the cladding or siding itself but the term rainscreen implies a system of building. Trapped moisture from driving rain or condensation can cause major problems. I did this at the top and bottom of the rainscreen mat using flaps of fiberglass screen. 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.

I prefer 15 tar paper because of its century old track record. A rain screen design will improve the longevity of any siding and finish but it is critical when installing wood siding over foam sheathing. James hardie recommends that you consult with your design professional if you have questions regarding exterior wall drainage on your single family project. A simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding.

Air moves behind siding in a rainscreen wall entering under the skirt board and exiting above top trim piece. A 3 8 inch air gap i e. Courtesy cosella dörken the wall is perhaps the most misunderstood and poorly devised assembly in the modern. Rainscreen between flat to wall siding and the water resistive barrier as a best practice.

The air space behind the shingles allow moisture that soaks in the front of the shingles to dry to the backside as well as the front. Installed behind a rain screen plastic housewraps can work. We re using benjamin obdyke home slicker a plastic mesh matrix that spaces siding about 1 4 in. Delta dry is an hdpe roll material at the core of cosella dörken s delta rainscreen system.

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. Venting behind your siding is just as necessary and valuable as venting your attic. Individual buildings all exterior cladding products including hard siding. Venting behind your siding is just as necessary and valuable as venting your attic.