Rainscreen Under Siding

A rainscreen wall is an exterior wall construction design that improves a wall s ability to manage water and stay dry.

Rainscreen under siding.

A builder wonders whether he d get the same benefits by applying furring horizontally. 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. Trapped moisture from driving rain or condensation can cause major problems. 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.

Here are some more benefits to buying advantage rainscreen 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 designed to encourage air circulation behind the siding typically includes furring strips applied vertically. A rain screen design will improve the longevity of any siding and finish but it is critical when installing wood siding over foam sheathing.

The core is bonded to a moisture resistive filter fabric that functions like an additional layer of weather resistant barrier. You might ask isn t that the job of the siding. Back vent siding to prevent swelling reduce maintenance and extend its life. A rainscreen is a system of materials used to create a gap between the siding and the water resistive barrier wrb.

Sv 3 rainscreen siding vent a simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding. It helps keep the entire wall assembly dry by allowing for both water drainage and airflow. A predictable rainscreen air gap behind fiber cement sidings like hardie plank and hardie shingle adds durability to the exterior. 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.

Venting behind your siding is just as necessary and valuable as venting your attic. 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. On top of the great authentic look advantage rainscreen siding offers it also is extremely durable as well as long lasting.