Static structures (e.g. – buildings) – Relatively yieldable preformed separator – Exposed separator between prefabricated components
Patent
1992-12-01
1994-08-09
Wilson, Neill R.
Static structures (e.g., buildings)
Relatively yieldable preformed separator
Exposed separator between prefabricated components
F04B 162, E04F 1514
Patent
active
053354664
ABSTRACT:
A vertical expansion joint for connecting substrates in new of existing structures provides a fabricated seal, comprising a strip of cured, low modulus silicone attached to an open-cell polyurethane backer foam or, alternately, a closed cell polyethylene foam. The silicone strip of the joint is narrower than the backer foam and compatible with construction grade sealants, neutral cure sealants and room-temperature vulcanized sealant. The seal is inserted into the joint to be filled. A wet silicone sealant into the recessed areas on either side of the cured silicone strip. The wet sealant dries and creates a bond between the strip and the substrates. The resulting bond allows extreme expansion and contraction of the curtainwalls or substrates, while maintaining a watertight seal.
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