Standard residential construction in much of the country is 2x4 framing with fiberglass insulation, achieving a paltry R-10 or so in the walls. If insulation is installed at all on the foundation walls, it's rarely more than an inch thick, and insulation is almost never put under slabs. In Vermont, we typically do a lot better. Act 250, enacted nearly four decades ago, required developers to improve energy performance and that led to a widespread switch to 2x6 framing in home building.
Bottled at Source — Hand Pump #1, Atal Ayub Nagar, Bhopal, Madya Pradesh, India.And in tiny print:
Not suitable for human consumption.The nutrition label says:
Total Fat 0g Cholesterol 0g
Sodium 22mg
Dichlormethane
Carbon Tetrachloride
Chloroform
0% 0%
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But summer has hardly started!
As we fire up the grill and hope that the rain will let up enough for us to enjoy summer, we should also remember that the days are now getting shorter, and in just a few months we'll be firing up our heating systems again.
Now's the time to think about how we can keep our heating costs down next winter. Here I'll present a few of my top priorities in preparing for winter:
Improper construction methods are believed to be the reason [for the] building collapse in Shanghai, according to a report from the investigation team. The investigation team's report said that workers dug an underground garage on one side of the building while on the other side earth was heaped up to 10 meters high, which was apparently an error in construction, according to a report on eastday.com, Shanghai's official news website.
Most contractors use trade contractors for the majority of the work on their projects. Effectively managed trade contractors assure higher performance, minimize rework and reduce warranty and callbacks.
| Calmac IceBank tanks at One Bryant Park, one of the nation's greenest high-rise buildings. Photo: © Gunther Intelmann for Cook+Fox Architects |
ICFs (Insulating Concrete Forms) are permanent, stay-in-place forms for making insulated poured-concrete walls, floors, and roof decks. Most of them are made with expanded polystyrene (EPS) foam produced with a non-ozone-depleting blowing agent (unlike XPS, an option to avoid from some manufacturers), while others are made with EPS beads (typically from recycled sources) or mineralized recycled wood chips glued together with portland cement.