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Village Suites Oshawa is a 556-bed student residence built for the University Of Ontario Institute Of Technology, Canada’s fastest growing university. The building is currently being evaluated by the CaGBC for LEED Platinum certification and if successful, at 270,000 square feet will be one of the largest LEED Platinum certified buildings in Canada.
One of the key components of sustainable homes and buildings is a thermally efficient and dry building envelope that minimizes the leakage of air through the home. Air leaks in walls and attics decrease occupant comfort by permitting the entrance of cold or hot air, depending on the season.
As energy costs continue to fluctuate, homeowners are seeing the benefits of becoming more eco-savvy. One growing area of focus is weatherization. When you consider that up to 40 percent of a home’s energy loss can be attributed to air infiltration*-a combined with recent government incentives-it’s easy to see why.
Air leakage is the unplanned, unpredictable and unintentional airflow across the building enclosure. This makes air flow control important for several reasons: to avoid air transported moisture and moisture damage, to reduce energy losses and to ensure occupant comfort and health.
How one insulation expert is helping the architectural and construction communities understand the value of taking a systematic approach to soundproofing.
A relatively inexpensive hobby of mine is the collecting of old technology books. My collection includes books on rebuilding player pianos, blacksmithing and a mail order course on how to set up a vacuum tube radio repair shop (I will be set if my time machine leaves me stranded in the 1850s or 1950s).
Water testing is complicated and as a contractor, if you have never had to be subjected to it, you can count yourself lucky. Water testing has made exterior plaster and EIFS work anything but business as usual.
Over the next three years, builders and contractors will witness an unprecedented rise in energy-efficient construction. Energy efficiency advocates succeeded in tightening the 2009 and 2012 International Energy Conservation Code with an estimated 30 percent improvement between the 2006 and 2012 versions of the code.
With changing energy code requirements, as represented in ASHRAE 90.1 or California’s Title 24, designers, engineers and contractors are facing practical challenges trying to meet these higher standards. One approach that is prescribed is the use of continuous insulation on the outside of building framing.
When a building leaks, the design, workmanship and material of the building envelope are all suspect. The exterior walls, roofing, windows, doors, balcony decks and below-grade waterproofing are all potential culprits. Oftentimes, however, a leak cannot be attributed to just one building envelope component.