More stories about Delta

  • A Former Meat-Processing Facility Becomes a Green Hub

    On Chicago’s southwest side, The Plant is a sustainable business incubator and collaborative research facility that’s close to achieving its net-zero energy goal.

  • Chicago Launches Energy-Saving Competition

    Chicago Mayor Rahm Emanuel announces energy-saving competition in two neighborhoods.

  • Air Barrier from Cosella-Dorken

    Delta-Vent SA creates an air- and watertight seal to improve energy efficiency.

  • Moisture Barrier

    Cosella-Dorken. The Delta-Fassade S water-resistive barrier acts as a durable drainage plane, channeling water to the outside of the home and protecting the building enclosure from moisture infiltration.

  • Cosella-Dörken Products Delta-Floraxx

    Delta-Floraxx is a perforated drainage board for use in green-roof assemblies.

  • EHDA Grand Award: Kumuhau Subdivision

    Metal roofs, awnings, and carports on the 45 subsidized homes in this rural community offer a nod to old plantation-style houses.

  • New + Notable

    20 products for green-built homes, including an electric-vehicle charging station, an energy management system, and insulated framing.

  • Wind Turbine From Delta Electronics

    Delta Electronics. The 400-watt HAWT turbine generates 50 kWh per month in 13.4-mph wind conditions. The rotor, which starts up in 8-mph winds, measures 49.6 inches in diameter. It includes electronic overspeed protection. The firm also makes a 1.0-kW model. 888.979.9889...

  • Drainage System for Green Roofs From Cosella Dorken

    Cosella Dorken. Delta-Floraxx serves as a water retention and drainage layer for green roof systems. The sheets, installed on top of a green roof systems root barrier, feature octagon-shaped dimples that retain water during drought periods, while holes in between drain excess water to eliminate...

  • Grand Award: BrightBuilt Barn, Rockport, Maine

    LEED-Platinum prototype production home combines high-performance features with flexible design details.