A rain-screen is more than just an air gap. To work properly, the system must be designed and installed with the correct components. Here’s what makes up a high-performing rain-screen system: 1. Weather-Resistant Barrier (WRB) Installed over the sheathing, the WRB (e.g., building wrap or membrane) is the primary line of defense against water. 2.…

Water is the number one enemy of building exteriors. Even the best siding can fail if moisture gets trapped behind it. That’s where a rain-screen makes all the difference—by extending the life of your home or commercial cladding. How Rain-Screens Protect Your Exterior Drainage Plane: Any water that gets past the siding is channeled downward…

If you’re building or renovating in a wet climate—or aiming for high-performance exterior protection—you’ve likely heard the term rain-screen. But what exactly is a rain-screen, and why is it required in many building codes across Canada? What Is a Rain-Screen? A rain-screen is a system of materials installed behind siding to create an air gap…