Water Resistive Barrier Siding

Prevent air flow in out of the interior.

Water resistive barrier siding.

A rain screen is constructed by fastening wooden boards vertically on top of the weather resistant barrier wrb to provide an air gap between the building and the siding creating a drainage plane. Steel sided buildings require a weather resistant barrier. It is designed to prevent water from reaching building components that could be damaged by moisture. Water infiltration can lead to rot of structural elements mold and poor indoor air quality.

The latest tip for creating an airspace between siding and the water resistive barrier wrb is simple and inexpensive. Any moisture getting behind the siding system can easily escape by draining downward. A water resistive barrier wrb is a material installed between the sheathing or studs if there is no sheathing and the siding. Water resistive barrier defined.

In fact by varying. First a water resistive barrier wrb is a protective material installed between the sheathing and the siding. Steel siding is fire resistant. The layer beneath the siding the water resistive barrier or wrb is what will protect the plywood or oriented strand board osb sheathing from any water that sneaks in.

This article explains the need for water resistant barriers on building exterior walls and explains the concept of a rain screen. Hardiewrap weather barrier may be used as both a water resistive barrier and as an air barrier in accordance with nationally recognized residential and commercial building codes as specified in esr 2658. Steel siding itself is waterproof. Steel siding is exceptionally resistant to high winds and the impact of flying objects.

Hardiewrap weather barrier is installed over the sheathing beneath the exterior siding to reduce water and air infiltration. 22 2016 1 28 p m. Depending on the choice of asphalt felt 15 or 30 and the number of folds a variety of thicknesses can be created. A proper barrier will be responsible for doing the following.

It sits just under the siding. Many builders have turned to huber s zip system sheathing a type of osb with a coating of resin impregnated kraft paper. However the product is susceptible to allowing moisture intrusion into the wall system through condensation and water infiltration. A siding rain screen is an important part of siding replacement and siding repair.

Weather barriers or more accurately water resistive barriers keep bulk water away from vulnerable building components and allow walls to dry at the same time. Allow for drying of the exterior. This article series discusses best practices construction details for building exteriors including water and air barriers building flashing products installation wood siding material choices installation vinyl siding stucco exteriors building trim.