At Nu-Tech Roofing & Waterproofing Ltd. we have an extensive history of the installation of rain-screen wall assemblies and thermal upgrading. Our wall systems adhere strictly to the 4D principles of “Deflection, Drainage, Drying, and Durability”. We ensure that vapour retarders, air barriers, thermal insulation, drainage cavities, and aesthetically pleasing architectural finishes are assembled to perform and last.