A sustainability standard has been established for single-ply roofing membranes used on commercial buildings. The NSF/ANSI 347, or "Sustainability Assessment for Single Ply Roofing Membranes," will use four criteria to determine the roofing material’s impact on the environment. It is one of eight NSF International sustainability standards for building products and the first to address the building envelope.
Green standard set for single-ply roofing membrane
Tariffs on steel, aluminum, and other materials swell budgets.
Intl. Code Council and Modular Building Institute combine forces.
Pedestrian-friendly “Slow Streets” pilot starts on Earth Day 2019.
Transparent wood, self-cooling walls, bricks that filter air pollutants among the technological breakthroug...
Variations include laboratory test method for determining rate of air leakage.
Even if power goes green, transportation will still be a major emissions source.
Developer prompts new rules to use rainwater for heating and air conditioning.
Regulation would mandate signs warning that buildings could be unsafe during earthquakes.
State also repeals business furniture flammability standard.
Penalties total $2.7 million.