Flashing article and method

Details Flashing article and method Flashing article and method

E - Fixed Constructions

04

D

154/127, 26/184,

E04D 13/14 (2006.01) E04D 13/04 (2006.01)

Patent

CA 1079621

ABSTRACT OF THE DISCLOSURE Roof drain flashing constituting a tough flexible material bondable to any type roof membrane and capable of accommodating thermal expansion and contraction of the roof without cracking and leaking at the drain, being a layer of nonplasticized chlorinated polyethylene integrally and irreversibly joined to a layer of asphalt-saturated roofing felt. The non- plasticized chlorinated polyethylene is physically joined to the asphalt-saturated felt by pressing the two to- gether at pressures in the 4000 PSI range just subsequent to the CPE being extruded and cooled to the 250°F range, having passed through the extrusion die at considerably higher temperatures. -1-

298617

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