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.
Rain screen behind siding.
James hardie recommends that you consult with your design professional if you have questions regarding exterior wall drainage on your single family project.
We re using benjamin obdyke home slicker a plastic mesh matrix that spaces siding about 1 4 in.
The clear choice mortairvent rain screen perfect for all exterior siding applications.
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.
Rainscreen between flat to wall siding and the water resistive barrier as a best practice.
Our innovative rain screen technology equalizes the air pressure within the wall system by creating a drainage and ventilation cavity between the weather resistant barrier wrb and the exterior wall.
Venting behind your siding is just as necessary and valuable as venting your attic.
I prefer 15 tar paper because of its century old track record.
I did this at the top and bottom of the rainscreen mat using flaps of fiberglass screen.
A simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding.
Delta dry is an hdpe roll material at the core of cosella dörken s delta rainscreen system.
A rain screen design will improve the longevity of any siding and finish but it is critical when installing wood siding over foam sheathing.
Compatible bug screen and flexible sealing tape are also available.
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.
A simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding.
The dimpled surface promotes drainage and airflow at both sheathing and siding.
Courtesy cosella dörken the wall is perhaps the most misunderstood and poorly devised assembly in the modern.
Ideally the rainscreen prevents the wall air water barrier.
Air moves behind siding in a rainscreen wall entering under the skirt board and exiting above top trim piece.
Venting behind your siding is just as necessary and valuable as venting your attic.
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.
The devil is in the details in this case the air intake and flow behind the skirt board.
A 3 8 inch air gap i e.
When planning your vents consider wrapping mesh or screen over the cut end of the rainscreen mat to deter insects from passing into the airspace.
Build a rain screen wall sidebar facing page.
Off the wall surface.
Individual buildings all exterior cladding products including hard siding.
Trapped moisture from driving rain or condensation can cause major problems.
