Rainscreen Behind Siding

Trapped moisture from driving rain or condensation can cause major problems.

Rainscreen behind siding.

Siding boards water table and drip flashing all installed above the rainscreen mat to allow for a continuous drain plane behind the siding. Build a rain screen wall sidebar facing page. Rainscreen between flat to wall siding and the water resistive barrier as a best practice. Meets canadian 10 mm rainscreen code requirement.

The devil is in the details in this case the air intake and flow behind the skirt board. Delta dry is an hdpe roll material at the core of cosella dörken s delta rainscreen system. The dimpled surface promotes drainage and airflow at both sheathing and siding. Compatible bug screen and flexible sealing tape are also available.

Driwall rainscreen is a drainage mat for exterior wall systems. 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. Back vent fiber cement siding to prevent swelling reduce maintenance and extend its life. James hardie recommends that you consult with your design professional if you have questions regarding exterior wall drainage on your single family project.

Installed behind a rain screen plastic housewraps can work. Courtesy cosella dörken the wall is perhaps the most misunderstood and poorly devised assembly in the modern. A 3 8 inch air gap i e. 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.

Consider and install venting at bottom and top of wall. The entangled net product eliminates incidental moisture problems in most exterior veneer applications including stucco manufactured stone and plank siding. Individual buildings all exterior cladding products including hard siding. We re using benjamin obdyke home slicker a plastic mesh matrix that spaces siding about 1 4 in.

I prefer 15 tar paper because of its century old track record. With this drain plane water can easily drain down wall behind siding an exit behind the water table board. A simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding. Off the wall surface.

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.