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4 Favorite Lamilux PR-60 Glass Roof Projects Of 2020 Written by Jeremy Latriano - 475's Daylighting Product Consultant Early in 475’s partnership with Lamilux, there were very few projects utilizing the PR-60 Glass Roof System. In fact, as recently as 2018 there were fewer than 5 PR-60s across North America. One of the best parts … 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

JLC Reports on Success of Foam-Free Unvented Flat Roof Assembly 475 enables more robust assemblies that are less toxic. Such was the case with the Whitchurch home in northern Vermont - working with the owners and their dedicated Passive House team at Montpelier Construction. The walls were a variation on the I-Joist outrigger configuration w … read more

Award-Winning Design with LAMILUX Skylight Daylighting On Pearl Street in the DUMBO neighborhood of Brooklyn, New York, Alloy Development produced five new townhouses which won the SARA NY 2015 Bronze Award of Merit, as well as The Architect's Newspaper Best of 2015 Residential Multi-Family. To deliver the most comfortable, healthy and sustain … read more

Unvented Flat Roofs A Technical Discussion Flat roofs have often been built with the insulation all on top of the vapor closed drainage plane - as this avoids dew point condensation issues inboard of the roofing.  However in many situations the insulation may need to be primarily or entirely below the flat roof membrane and between the roof j … read more