Blog

Adhesive Bonds and Failures: What’s Going On? Adhesives are foundational to airtight and watertight enclosures. It is essential that the adhesives we use bond for as much as 50 years, 100 years, or longer. How do we know when we have the right kind of adhesion? What are the different ways a tape's adhesion will be able to provide us wi … read more

5 Tricks of the Trade For Thick, Dense-Packed Walls Behind Pro Clima Membranes With contributions by Matthew Brennan, National Sales Manager at Thermocell; Jesse Matthews, Quality Control at RDH (formerly carpenter at The Fourth Pig Green and Natural Construction). At 475, a large number of projects we work on use dense-pack cellulo … read more

Project Spotlight: Phoenix Haus - Launch of the H19 Passive House Project Spotlight Location: Mesa, Colorado, USA Project type: Single-family new construction Prefab Builders: Phoenix Haus Design and Passive House Certification: Shape Architecture Assembly: 2x framed wall with densepack cellulose, continuous wood fiber insulati … read more

Ten Golden Rules for Foam-Free Flat Roofs When insulating a flat roof wood structure, 475's goal, as always, is to do it in the most healthy, structurally sound, durable, and ecologically friendly way - achieving truly high performance. This means we try to generally avoid using foam above or below the roof deck (for more on that, see … read more

475 On-Site: High Performance Timber Framing with Bellwether Craftsmen of Vermont Project Spotlight Location: Huntington, Vermont, USA Project type: Single-family new construction Custom Design Builders: Bellwether Craftsmen Assembly: Timber frame, INTELLO X wrapping 2x6 wall with densepack cellulose, continuous Gutex MULTITHERM ext … read more

ADHERO and VISCONN Flex Their Airtight & Waterproof Might Although other WRBs may have entered the arena for the ASTM E331 (water infiltration testing) challenge, Pro Clima's ADHERO self-adhered membrane and VISCONN liquid-applied membrane emerge the champions. In independent, third-party tests both succeeded in passing for full 2 hou … read more