Rainscreen Behind Siding

Delta dry is an hdpe roll material at the core of cosella dörken s delta rainscreen system.

Rainscreen behind siding. Compatible bug screen and flexible sealing tape are also available. A simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding. Off the wall surface. Trapped moisture from driving rain or condensation can cause major problems.

The dimpled surface promotes drainage and airflow at both sheathing and siding. The devil is in the details in this case the air intake and flow behind the skirt board. A predictable rainscreen air gap behind fiber cement sidings like james hardie plank and hardie shingle adds durability to the exterior. A 3 8 inch air gap i e.

We re using benjamin obdyke home slicker a plastic mesh matrix that spaces siding about 1 4 in. With this drain plane water can easily drain down wall behind siding an exit behind the water table board. The entangled net product eliminates incidental moisture problems in most exterior veneer applications including stucco manufactured stone and plank siding. Driwall rainscreen is a drainage mat for exterior wall systems.

I prefer 15 tar paper because of its century old track record. Installed behind a rain screen plastic housewraps can work. Build a rain screen wall sidebar facing page. Meets canadian 10 mm rainscreen code requirement.

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. The difference to me seems to be that in the image the insect screen behind the 5 4 board allows the rainscreen gap to vent whereas for my wall option 2 would allow the upper above the brick wall s rainscreen gap air cavity to connect to the wall cavity in the lower wall between the brick and the celotex but the resulting overall wall. Venting behind your siding is just as necessary and valuable as venting your attic. James hardie recommends that you consult with your design professional if you have questions regarding exterior wall drainage on your single family project.

Mti s sure cavity and corrugated lath strip create a capillary break that prevents entrapped water and promotes airflow to dry out the siding and substrate. 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. Consider and install venting at bottom and top of wall. 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.