30 Jul '15, 1pm

Roofing and Cladding for the Orenco Passivhaus

Roofing and Cladding for the Orenco Passivhaus

Experience on previous projects has taught us that the joint between the wall and roof is one of the most problematic areas for maintaining air barrier Building assembly components that work as a system to restrict air flow through the building envelope. Air barriers may or may not act as a vapor barrier. The air barrier can be on the exterior, the interior of the assembly, or both. continuity. We therefore spent a considerable amount of time early during the design phase to discuss this issue and to develop a conceptual approach for the wall-to-roof joint (see Image #2, below). Typically, parapet walls on wood-frame buildings are framed as an extension of the roof truss framing; however, this standard approach prohibits a simple, constructable, and effective detail for transitioning air barrier from the wall sheathing Material, usually plywood or oriented strand board (OS...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/guest-blog...

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Walls and Windows for the Orenco Passivhaus

Walls and Windows for the Orenco Passivhaus

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