Roof expansion joint

Static structures (e.g. – buildings) – Exterior-type flashing – Interfitting parts

Patent

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Details

52573, 52469, E04D 136

Patent

active

040055558

ABSTRACT:
A roof expansion joint for flat built up roofs forms an elevated elongated structure bridging an expansion slot-like opening between adjacent roof sections to provide a movable watertight seal therebetween formed of rigid slideably engaged members.

REFERENCES:
patent: 3296762 (1967-01-01), Thom
patent: 3421267 (1969-01-01), Balzer et al.

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