Rainscreen Siding Details

8 nmi base of wa l nts w ar nty p rovi dea c pt 7 0 detail march 2 07 tw olayers f building pa er drywa l v apou rb ie sill gasket th erm al br k slab on grade pt s tr api ngo h 3 4 b el ow cn r t.

Rainscreen siding details. In a rainscreen wall a gapped space or separation also known as a vented airspace exists between the exterior wall cladding siding and the wall sheathing osb plywood etc. The rainscreen is the cladding or siding itself but the term rainscreen implies a system of building. Waterway 11mm is a vertical wall rainscreen drainage mat consisting of a nominal 7 16 inch 11mm thick extruded polymer matrix of tangled monofilaments. At the top end of wood siding boards in a vertical rainscreen cladding installation of the climate shield system where the cladding will typically intersect a soffit the siding should be cut 1 8 short to allow adequate ventilation at the top of the wall section.

A rainscreen siding system refers to the style of installation and fastening of the siding material to the structure. Ideally the rainscreen prevents the wall air water barrier. Rainscreen between flat to wall siding and the water resistive barrier as a best practice. In my last post i showed some video footage of this rainscreen installation but i ve gotten a few requests for some detail shots.

James hardie recommends that you consult with your design professional if you have questions regarding. 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. For most residential builders a rainscreen siding installation is one that includes an air gap between the siding and the water resistive barrier the asphalt felt or housewrap. Design detail for typical top course of vertical rain screen cladding material.

The monofilaments are heat laminated to an impenetrable breathable filter fabric on one side. A rainscreen wall is an exterior wall construction design that improves a wall s ability to manage water and stay dry. If you ve never seen this method of siding installation there are tons of resources on the web for details. Rainscreen siding systems have an air gap between the siding material and the structure itself.

Waterway 11mm is designed for use with manufactured and natural stone traditional and one coat stucco eifs fiber cement and wood based sidings. For single family construction james hardie recommends installing a 90 efficient drainage plane or a 3 8 inch air gap i e. Ideal for stucco and stone exteriors tyvek drainvent rainscreen is suitable for use with a variety of other materials including brick wood siding fiber cement siding. Tyvek drainvent rainscreen is a three dimensional honeycomb textured drainage mat that provides advanced protection against moisture damage in exterior wall systems.