Air Gap Siding

The presence of a vented air gap is an integral part of how a brick facade protects a house from rain and wind.

Air gap siding.

Lightweight 50ft rolls of corrugated lath strip create a rainscreen air gap in both horizontal and vertical siding applications. Air gap or air film 3 4 air space insulating properties. How much of a gap has never really been specified which is also confusing because i understood that bat insulation was sized to fit the entire 3 5 inch. For single family construction james hardie recommends installing a 90 efficient drainage plane or a 3 8 inch air gap i e.

The air space between siding and sheathing should also allow humid air to escape. A lot of people have been telling me that when installing insulation it is necessary to leave a bit of an air gap between your outer wall and your insulation in order to allow for air flow. Vented mti edge metal. Common siding installation mistakes to avoid.

An air gap prevents hydrostatic pressure in the wall assembly lets gravity drain liquid moisture and water vapor to exit at ventilated terminations. This product allows construction professionals to build better by effectively eliminating excess moisture thereby preventing the damaging effects of mold and rot. Does not consider internal convection effects does not consider presence absence of reflective barriers does not consider directions of heat flow up or down nor winter summer conditions. Hydrogap drainable housewrap is the newest moisture management product from benjamin obdyke.

In order for both of these actions to take place when siding is installed correctly there needs to be a continuous space behind siding where water can drain and air can flow. Rainscreen between flat to wall siding and the water resistive barrier as a best practice.