Encyclopedia

Drainage plane

Drainage plane

Path that water would take over the building envelope. Concealed drainage-plane materials, such as building paper or housewrap, are designed to shed water that penetrates the building’s cladding. Drainage planes are installed to overlap in shingle fashion so that water flows downward and away from the building envelope.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
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References in periodicals archive
The latest addition to its Weather Protection System, Typar Drainable Wrap has the ability to shed more bulk water than traditional house wraps and offers the added efficiency of an integrated drainage plane, while providing the durability builders and contractors expect from Typar building wraps.
Assembled in Indiana from 100-percent USA-made materials, LathNet can be attached with staples, nails or screws; affords full lath encapsulation without clogging the drainage plane; positions drainage mesh to act as a mortar barrier to prevent bridging; and, fosters unrestricted air and moisture flow behind the lath to help promote rapid draining and drying.
Green is more often the paint and carpet pads that don't outgas, the drainage plane that keeps the water away from the house, the high utility bills you don't have and the comfort that you do have.
Behind the cladding and in front of the weather-resistive barrier is a cavity or internal drainage plane that provides a path for the water to drain down to a collection point and out to the exterior.
The crinkles in the drainage wrap create small airspaces between the two layers, which serve the same purpose as the drainage plane behind brick veneer.
"It's what's under the siding--the flashings, the drainage plane, or water barrier--where builders fall down on a siding job and where remodelers have to pick up the pieces."
The joinery raises the seam above the drainage plane of the panel, creating its distinctive vertical lines.
wide metal panels, seams elevated well above the drainage plane, and the aforementioned panel-to-structural connections that eliminate thru-fasteners.
Each tray interlocks to form a drainage plane, which is then mounted to the engineered framing system.
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