Rainscreen Under Siding

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.

Rainscreen under siding.

Sv 3 rainscreen siding vent a simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding. Rainscreen siding is an all natural wood siding product that provides a more natural look when compared to vinyl or plastic siding options. Wood sidings installed directly over foam sheathings are more prone to problems such as cupping cracking and paint failures than wood siding installed over wood sheathings. A rainscreen wall is an exterior wall construction design that improves a wall s ability to manage water and stay dry.

You might ask isn t that the job of the siding. 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. Here are some more benefits to buying advantage rainscreen siding. A rainscreen is a system of materials used to create a gap between the siding and the water resistive barrier wrb.

Wind driven rain from the outside moisture vapour from the home s interior and corrosives surfactants that leak from certain types of siding usually remain trapped behind the siding. A rainscreen designed to encourage air circulation behind the siding typically includes furring strips applied vertically. Some purists insist that you can t call it a rainscreen gap unless you have ventilation gaps at the top of the wall as well as the bottom of the wall. Back vent siding to prevent swelling reduce maintenance and extend its life.

The core is bonded to a moisture resistive filter fabric that functions like an additional layer of weather resistant barrier. A predictable rainscreen air gap behind fiber cement sidings like hardie plank and hardie shingle adds durability to the exterior. It helps keep the entire wall assembly dry by allowing for both water drainage and airflow. Waterway rainscreen is designed for stucco eifs manufactured natural stone fiber cement brick lap and cedar sidings and other wall cladding systems.

A builder wonders whether he d get the same benefits by applying furring horizontally. A rainscreen is the best defense against the negative effects of moisture that attach a home s wall system. Venting behind your siding is just as necessary and valuable as venting your attic.