Thursday, October 1, 2009

Progress Update

Here's what is happening this week at Passive House Brooklyn...

The carpentry focus is on the much needed repairs of the structural joists. After the demolition was completed, multiple damaged areas were uncovered. In some cases only an inch of an 8" beam remained. In another case, the header at the 3rd floor stair opening had split in two and dropped 2". Haphazard repairs to this had been made over the years but nothing that would have kept it from continuing towards failure.

With the walls opened up, airsealing is another primary focus. It is important to do this before the rough framing and plumbing/electrical roughing is underway for ease of access and to prevent construction delays. To seal the many small voids in the brickwork, we are painting on a product called 'Sto Guard'. 'Sto Guard' is a very thick liquid that coats the bricks and provides an air barrier between the neighbors homes and our project.

Both the plumbers and electricians are continuing to clean out out-of-date and not-to-code pipes, wires and boxes to prepare the space for their new work.

The masons are working in the cellar to break up and dig out the old concrete slab. They will bury perforated pipes below a new slab that will address the water that forces it's way up from the ground due to the high water table in Brooklyn. These lines connect to a tank and pump to send any collected storm water out into the city sewer lines.

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