Mandating green building
Rooftop ponds are another form of green roofs which are used to treat greywater.
Use of fasteners meeting or exceeding requirements for ASTM A 153 Class D meet the added requirements for fastener durability. Modern versions have been developed which offer improved performance to those mentioned above.
Its widespread use has eliminated major quantities of arsenic and chromium previously contained in CCA.
SEATTLE (April 18, 2017) –Today, Seattle’s Office of Sustainability and Environment (OSE) released 2015 building energy performance data for over 3,300 properties reporting data through Seattle's Energy Benchmarking program. The “Building Energy Awareness” ordinance requires certain buildings to record annual whole-building...
Its use is governed by national and international standards, which determine the volume of preservative uptake required for a specific timber end use.
Since it contains high levels of copper, ACQ-treated timber is five times more corrosive to common steel, according to American Wood Preservers Association (AWPA) test results.