Seismic Elastomeric Twin Seal System
The Seismic Elastomeric Twin Seal System offers protection of expansion joints in a seismic event. This system is constructed of two rubber seals and an aluminum slide plate. This system allows for multi-directional movement with a seismic centering bar.
- Continuous Sight Line
- Horizontal and Vertical Thermal Movement
- Seismic Movement with Lateral Shear
- Surface Mount
- Coordinating Corners
- 4 Complementary Seal Colors
|Material||6063-T6 Aluminum with Rubber Seal|
|Movement||Thermal: Horizontal and Vertical|
Seismic: Lateral Shear
|Joint Size||4 inches to 24 inches|
|Length||10 Linear Feet|
|Installation||Wall or Ceiling|
|Options||Seal Color, Moisture Barrier, Fire Barrier|
Use the table below to guide specification of available options. The part numbers are indicated in BOLD ORANGE text.
at mean T°F
|SWNB-400||Wall-to-Wall||4" (102mm)||11.88" (302mm)||4" (102mm)|
|SWNB-400w||Corner||4" (102mm)||7.94" (202mm)||3.25" (83mm)|
|SWNB-600||Wall-to-Wall||6" (152mm)||15.88" (403mm)||7" (178mm)|
|SWNB-600w||Corner||6" (152mm)||10.94" (278mm)||5.75" (146mm)|
|SWNB-800||Wall-to-Wall||8" (203mm)||17.88" (454mm)||10" (254mm)|
|SWNB-800w||Corner||8" (203mm)||12.94" (329mm)||7.75" (197mm)|
|SWNB-1000||Wall-to-Wall||10" (254mm)||21.88" (556mm)||13" (330mm)|
|SWNB-1000w||Corner||10" (254mm)||15.94" (405mm)||11.25" (286mm)|
|SWNB-1200||Wall-to-Wall||12" (305mm)||23.88" (607mm)||16" (406mm)|
|SWNB-1200w||Corner||12" (305mm)||17.94" (456mm)||13.25" (337mm)|
|SWNB-1800||Wall-to-Wall||18" (457mm)||33.88" (861mm)||25" (635mm)|
|SWNB-1800w||Corner||18" (457mm)||25.63" (651mm)||21" (533mm)|
|SWNB-2000w||Wall-to-Wall||20" (508mm)||42.88" (1089mm)||34" (864mm)|
|SWNB-2000w||Corner||20" (508mm)||33.13" (842mm)||28.5" (724mm)|
NYSTROM warrants all Expansion Joint Systems to be free from manufacturing defects in materials, factory finishes, and workmanship for a period of one (1) year from the date of shipment.
Should a product fail to function in normal use within this period, Nystrom shall furnish a replacement or new part at Nystrom's discretion. Failure to use product in methods consistent with Nystrom product manuals shall relieve Nystrom of any liability. Our liability under this warranty excludes installation or removal costs involved in the product replacement and excludes any responsibility for incidental or consequential damage of any nature.
For information on a warranty claim, please visit our Warranty Support section or call 800 547-2635.