Noninvasively identifiable membrane roof system

Details Noninvasively identifiable membrane roof system Noninvasively identifiable membrane roof system

1988-06-16

1990-07-03

Ridgill, Jr., James L.

Static structures (e.g., buildings)

With disparate protective coating

52748, 1562724, 148105, B27K 100

Patent

active

049379950

ABSTRACT:
To indicate the origin of manufacture of the components of a roofing system, magnetically permeable particles are incorporated into the components. The particles are preferably loaded into the lap sealant and adhesive used to form field splices. Thus loaded, the lap sealant and/or adhesive has magnetically permeable properties or characteristics which are electromagnetically detectable through and beyond one layer of rubber sheeting. Detection of these particles provides an indication of origin of the material.

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patent: 4423415 (1983-12-01), Goldman
patent: 4442152 (1984-04-01), Kirk
patent: 4568921 (1986-02-01), Pokalsky
patent: 4806740 (1989-02-01), Gold et al.

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