Blog

GLAVEL Foam Glass Gravel Now Available in North America Good news about Glavel! Building owners and developers in need of an alternative to petroleum-based sub-slab insulation and an overall boost to their sustainability characteristics, Glavel’s foam glass gravel is the solution. Rob Conboy, CEO of Glavel, Inc., the Vermont-based company … read more

Project Spotlight: Simple Life Homes' Foam Free Prefab Assembly Creating Comfortable, Foam-Free, All-Electric Senior Homes In Ontario’s Ski Country There are several hot topics we look out for here at 475: foam free building, Smart Enclosures, prefab manufacturing, and frack-free (all-electric) housing. This is a rare project spotligh … read more

Gutex Wood Fiber Insulation: A Carbon Solution on Day One If you have a big event coming up, and you want to lose some weight before the event, would you first gain a bunch of weight before you dropped it? Didn’t think so. Our big event is 2050 - a date toward which all carbon reduction goals are aimed. And while we insulate fo … read more

A Declaration of Independence from Foam Plastic Insulation When in the course of constructing and renovating buildings, it becomes necessary for architects, consultants and builders to stop using materials and methods which have defined high-performance building in our time, and determine to set a new course separate and free from foam … read more

Asbestos: A Living Lesson In Our Fight With Toxic Spray Foam In our quest to make a less toxic world, 475 often focuses on how, today, too often professionals are insisting on filling buildings with toxic, bioaccumulative, plastic spray foam insulations. It seems obvious enough, that as we seek to limit plastic bag use a … read more

What’s 475 About Reflections for a New Year (2018) This article was first posted January 1, 2017.  With each New Year we'll revisit and update/edit as we see appropriate - keeping our sense of mission and values front and center. When people ask what do we do, one abbreviated response is: “We sell tape.” Though “we sell tape” describes a sim … read more