Channeled masonry flashing

Details Channeled masonry flashing Channeled masonry flashing

2006-12-01

2011-11-01

Canfield, Robert (Department: 3633)

Static structures (e.g., buildings)

Exterior-type flashing

Extending into wall

C052S169500, C052S302600, C052S302100, C442S038000, C428S040100, C428S349000

Reexamination Certificate

active

08046956

ABSTRACT:
A masonry flashing for use in a cavity wall is disclosed. The flashing has channels for draining water from the cavity while permitting entry of air into the cavity. The top surface of the flashing is covered by a protective member. The protective member is a scrim or, in the extruded form, an overarching portion of the flashing material. The protective member prevents the clogging of channels from mortar droppings and other construction debris. The flashing is shown with a drip edge is formed by extending the flashing beyond the external surface of the outer wythe and, with the edge being foil lined, manually forming the drip edge. A peel-and-stick embodiment described herein utilizes clear, nondrooling adhesives. Flashing accessories, namely, an end dam, an inside corner and an outside corner are also described.

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Edward M. Petrie, Adhesion to Concrete Substrates, www.specialchem4adhesives.com, May 9, 2006, 7 pages.
Morter Net USA Ltd., Totalflash, Cavity-wall drainage system, http://mortarnet.com/tf/index.htm, 2 pages.
Morter Net USA Ltd., Totalflash, Cavity-wall drainage system, http://mortarnet.com/tf/index.htm.
Edward M. Petrie, Adhesion to Concrete Substrates, www.specialchem4adhesives.com, May 9, 2006.

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