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>> California Extends Spray Polyurethane Foam Consultation
California has extended the comment period on its proposal to list spray polyurethane foam (SPF) insulation containing unreacted methylene diphenyl diisocyanates (MDI) as a priority product under the Safer Consumer Products (SCP) programme.
>> MIT Announces Successful 'Print Run' of First Ever Full-Scale Building
Researchers at MIT have developed a system with the capability to create a large-scale building using 3D-printing technology. The system, known as a Digital Construction Platform (DCP), consists of a tracked vehicle that carries a giant, robotic arm with a smaller precision-motion robotic arm at its end. The smaller arm is highly controllable and constructs the prototype structure. It directs a construction nozzle, similar to one used to pour concrete or spray insulation material.
Public housing just got a little greener. The San Antonio Housing Authority held a Thursday morning event to showcase the agency's new concept in energy-efficient and green homes
Homebuilder Rick Koehnemann watched closely as Gulf Power representatives tested the air leakage at one of his newly constructed homes at RiverCamps in West Bay. "This house has spray foam insulation. ... The entire attic is enclosed in spray foam, so now your air-conditioning duct work runs through an insulated space," Koehnemann said. "Normally, the attic can get to be 140 degrees in the summer, so it will save about 20 percent on your heating and cooling costs."
Boston is the most energy-efficient large city in the U.S. for the third time running. The ranking comes from the American Council for an Energy Efficient Economy’s third biannual City Energy Efficiency Scorecard.
Foreclosure filings, which include mortgage default notices, scheduled auctions, and bank repossessions, hit the lowest levels in April since November 2005, according to a recent report by ATTOM Data Solutions. The real estate information firm collected data from 2,200 counties representing more than 90% of the population.
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