ROCKWOOL’s second U.S. factory begins commercial production

Official start of commercial operations signifies first post-pandemic increase of stone wool insulation manufacturing capacity in the North American market RANSON, WV (July 7, 2021) – ROCKWOOL North America has begun commercial production of stone wool insulation products at its newest U.S. manufacturing facility, located in Jefferson County, West Virginia. The state-of-the-art factory produces ROCKWOOL’s residential, commercial and industrial stone wool insulation and marks North America’s first post-pandemic increase in…


Passive house is an enclosure first “passive” approach

Passive house is an enclosure first “passive” approach It encompasses all aspects of high energy performance, sustainability, and resiliency that can be applied to all types of buildings, in all types of climates. While the adoption of the Passive House standard across Canada and the United States has not been easy, its uptake is beginning to accelerate. In the below policy guide developed by the North American Passive House Network (NAPHN)…


Designing the ‘Perfect Wall’ | Partel Tech Knowledge Series

The third episode in this series brings technical information on key layers in designing a perfect wall system. Construction evolved, and energy-efficient buildings now require proper sequencing to control the inside from the outside. Hugh Whiriskey, Technical Director of Partel, approaches the critical roles and properties of the four essential control layers: rain, air, vapor, and thermal in this session. Learn more about: What is the Perfect Wall and the…


High-rise Passive House in NYC

By Lisa DiCaprio, Conservation Chair, Sierra Club NYC Group Photo Courtesy of Handel Architects NYC is leading in high-rise Passive House design and construction. On November 1, 2017, the Passive House Institute certified the 26-story Passive House residential building on the Cornell Tech campus on Roosevelt Island, which is now the largest and tallest Passive House building in the world. Handel Architects, based in NYC, designed the building. [1] The…


Product Showcase | Thermally-Broken Shelf Angles

 Presenters: Adam Kimble, Sales Director with Michael Ross, Senior Technical Advisor moderating Q&A (bios below) Short description: This presentation will focus on thermally-efficient methods for masonry cladding supports that promote the Passive House Building Standard, LEED and Green Building requirements for continuous insulation in above-grade wall assemblies that are becoming more common to continue to shift the industry toward more stringent thermal performance standards. Understanding the impacts of conventional…


Four Seven Five becomes Sponsor of NYPH

Masonry Retrofit A great number of historic masonry buildings exist across North America, and today they are being re-imagined with an endless variety of uses. Renovating and reoccupying these old buildings is rightly considered an act of sustainability in itself. Using the existing structure can mean 50% to 75% less embodied carbon, on day one of occupancy, than a new building would generate. In the 21st century, our existing masonry…