Rainscreen Under Siding

A rainscreen is the best defense against the negative effects of moisture that attach a home s wall system.

Rainscreen under siding.

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 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. 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.

A rain screen design will improve the longevity of any siding and finish but it is critical when installing wood siding over foam sheathing. A rainscreen designed to encourage air circulation behind the siding typically includes furring strips applied vertically. On top of the great authentic look advantage rainscreen siding offers it also is extremely durable as well as long lasting. A rainscreen wall is an exterior wall construction design that improves a wall s ability to manage water and stay dry.

Back vent siding to prevent swelling reduce maintenance and extend its life. Venting behind your siding is just as necessary and valuable as venting your attic. 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. A builder wonders whether he d get the same benefits by applying furring horizontally.

The core is bonded to a moisture resistive filter fabric that functions like an additional layer of weather resistant barrier. It helps keep the entire wall assembly dry by allowing for both water drainage and airflow. Sv 3 rainscreen siding vent a simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding. Waterway rainscreen is designed for stucco eifs manufactured natural stone fiber cement brick lap and cedar sidings and other wall cladding systems.

You might ask isn t that the job of the siding. Trapped moisture from driving rain or condensation can cause major problems. Rainscreen siding is an all natural wood siding product that provides a more natural look when compared to vinyl or plastic siding options.