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Insulating Historic Masonry Buildings Safely: How WUFI Can Help
With the rising popularity of Passive House and EnerPHit renovation in brownstone and brick masonry renovations in the US and Canada, the question comes up time and time again: What insulation levels...
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Hanover, NH: Dartmouth College Dormitory Retrofit
Countless historic masonry buildings dot the American landscape, a large number of them falling under some form of aesthetic scrutiny prohibiting exterior insulation. The only option to make these...
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Press Release: Creator of WUFI Pro to Conduct Training in New York City
475 High Performance Building Supply to partner with WUFI Pro developer Manfred Kehrer WUFI software has been proven to be an essential tool in designing high-performance buildings. Named for a German...
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The Best of Off-Label Uses
We love getting images of the ways our customers use Pro Clima when duct tape won’t cut it. It’s time we share our favorites. Please keep them coming! Reinforcing work gloves is a common theme…...
View Article475 On-Site: Vapor-Open Straw Bale with Vermont Natural Homes
On the way to the Better Buildings By Design Conference I had the great pleasure of meeting with builder and owner of Vermont Natural Homes, Chad Mathrani, at his home under construction outside of...
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Project Spotlight: Lincoln, VT Shows Off SOLITEX UM
House under construction in Lincoln VT with SOLITEX UM vented housewrap (blue) and finished vertical shiplap siding Vented rainscreens for walls and roofs are are an important part of high...
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Is Foam Evil? A New Paradigm of Foam – Less is Best
credit: uscountryproperties.com “Is Foam Evil?” was the initial title of a panel discussion I participated in at NESEA’s Building Energy 15 Conference – before it was renamed “Tiny Bubbles” (see Green...
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Tescon Profil’s New Look
Thanks to your feedback, our best-selling window tape, Tescon Profil, has a new look. Customers tell us they love using Tescon Profil to easily make airtight connections to window frames, door...
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I’m lost…where do I start?
You’ve just stumbled upon 475’s website. You know you want to build high performance / Passive House / low-energy and you don’t know where to even begin. Don’t worry – you’re not alone. We often...
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Lunos e²: A Zero Energy Home Solution
Michelle Tinner, presenting at the Race to Zero, DOE Challenge Home Student Design Competition April 27, 2014 (Photo by Dennis Schroeder / NREL) 475 is proud to host this guest article from Michelle...
View Article475 On-Site: Northern Timbers Construction
Boxy But Beautiful Airtight Cottage After being totally blown away by some great conversations and great project visits in Vermont during the Better Buildings By Design Conference this February in...
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Spring Pricing Is Here
Stock up on our best-selling items and start the season off right Thawing out from this hard winter makes spring all-the-more vital for building professionals. That’s why, until 5/1/15, 475 is offering...
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475 Presentation: High Performance Roof Daylighting
Designing for Energy, Comfort, and Wellness Roof daylighting elements and architectural roof glass are striking and desirable building features that historically come at a high cost – leaks, energy...
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New York Times: Passive House Poised To Go Big
If you make it in New York City, you can make it anywhere. Passive House builders in NYC got recognition for making it happen in last weekend’s New York Times Real Estate section. As New York Passive...
View ArticleWhy New Yorkers Love Passive House
This video speaks for itself. We featured this project in a previous video – 475 On-Site: Historic Brownstone Passive House Retrofit in Brooklyn, NY. It is in process to receive EnerPHit certification...
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475 Project Spotlight: Traveler’s Rest – Colorado’s Best New Green Home
Traveler’s Rest – 2014 Best New Green Home, with Passive House airtightness and energy performance, and 15kw solar array. Framing the house – airtight exterior sheathing with Tescon Vana When we think...
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CompaCFoam Primer
475 has been a vocal and outspoken proponent of foam-free building. But as we’ve said, we also know that in the push toward foam-free construction, targeted and limited applications of foam still...
View Article475 On-Site: Habitat for Humanity, Washington DC
An airsealing team of volunteers achieves 0.2 ACH50 Habitat for Humanity of Washington DC is proving itself to be a leader in affordable Passive House building. After incredible coverage from National...
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Project Spotlight – INTELLO Plus with “Integrated Service Cavity” in...
One of the most popular high performance walls is the double stud wall. Its appeal lies with the fact that it creates a good thermal break between two simple-to-build wood frame walls. It can also be...
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