Blog

Builder Spotlight - MainStream Corporation Cody and Lisa Farmer are a building science power couple from Colorado who serve as Vice President and President respectively at MainStream Corporation - a construction and materials company with a laser-like focus on Passive House. The Farmers, have also ventured into real estate, an endeavor … read more

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: Brooklyn Retrofit Window Install Bringing light into an early 1900s home Recently, 475 did an on-site installation support for Duncan Architect’s project in Ditmas Park, Brooklyn. Duncan himself purchased the 1910 home which is located in the neighborhoods’ Historic Landmarked district and is now being retrofitted … read more

Get to the Point The Green Point Project highlights the center of the green building Venn diagram Welcome to The Green Point Project. A pioneering project aiming for Living Building Challenge, Zero Energy, Passive House, and Green Shores for Homes certification. It's the project's aim to "rejuvenate the ecosystem; build in an … read more

Harvard Unveils Newly Retrofitted HouseZero Harvard’s New Approach to Studying Green Building Last month, Harvard unveiled its new, state of the art HouseZero building, designed by Norwegian based Snøhetta, an international architecture firm focused on sustainability. The 1940’s structure was newly retrofitted to be highly energy eff … read more

2018 Year in Review 2018 was a year of growing communication, community and successes. We are happy to be working with so many outstanding people. Let’s run through some highlights. Oh, how we've grown. For a full list of staff see the Our Team. PEOPLE The 475 team is growing and in 2018 seven new people joined 475, puttin … read more