Rainscreen Behind Siding

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.

Rainscreen behind siding.

Driwall rainscreen is a drainage mat for exterior wall systems. Compatible bug screen and flexible sealing tape are also available. The devil is in the details in this case the air intake and flow behind the skirt board. The dimpled surface promotes drainage and airflow at both sheathing and siding.

Individual buildings all exterior cladding products including hard siding. Back vent fiber cement siding to prevent swelling reduce maintenance and extend its life. A simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding. 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.

Courtesy cosella dörken the wall is perhaps the most misunderstood and poorly devised assembly in the modern. James hardie recommends that you consult with your design professional if you have questions regarding exterior wall drainage on your single family project. Trapped moisture from driving rain or condensation can cause major problems. 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.

Siding boards water table and drip flashing all installed above the rainscreen mat to allow for a continuous drain plane behind the siding. Off the wall surface. The entangled net product eliminates incidental moisture problems in most exterior veneer applications including stucco manufactured stone and plank siding. Consider and install venting at bottom and top of wall.

A 3 8 inch air gap i e. 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. Delta dry is an hdpe roll material at the core of cosella dörken s delta rainscreen system.

Meets canadian 10 mm rainscreen code requirement. We re using benjamin obdyke home slicker a plastic mesh matrix that spaces siding about 1 4 in. 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.

Rainscreen between flat to wall siding and the water resistive barrier as a best practice.