Rain Screen Behind Hardiplan Lapp Siding

Mti s corrugated lath strip creates a capillary break that prevents entrapped water and promotes airflow to dry out the siding and substrate.

Rain screen behind hardiplan lapp siding.

To download dwg siding vents cad files click here. 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. Off the wall surface. Click here to learn about oregon residiential specialty code r703 1 requiring a rain screen space behind siding.

For single family construction james hardie recommends installing a 90 efficient drainage plane or a 3 8 inch air gap i e. Click here for the rainscreen siding ventilation guide. We re using benjamin obdyke home slicker a plastic mesh matrix that spaces siding about 1 4 in. Rainscreen between flat to wall siding and the water resistive barrier as a best practice.

Architectural spec for cav siding vent system section. James hardie recommends that you consult with your design professional if you have questions regarding. Corrugated lath strip crea. Hardieplank lap siding is not just our best selling product it s the most popular brand of siding in america.

Sidings like hardie board lp smartside and natural cedar benefit from a rainscreen air gap between the siding and the housewrap. Click here for our complete list of technical drawings. Detailing a rain screen wall furring strips space the clapboards away from the wall creating a vent space that helps to dry the back of the siding. A rainscreen designed to encourage air circulation behind the siding typically includes furring strips applied vertically.

A predictable rainscreen air gap behind fiber cement sidings like hardie plank and hardie shingle adds durability to the exterior. A builder wonders whether he d get the same benefits by applying furring horizontally. Layered tar paper and flashings behind the furring strips create what is called a drainage plane which alone would protect the house from water even ifthere were no siding. Tips for durable fiber cement exteriors.