Expand-O-Gard expansion joints are flexible waterproof closures for vertical building walls designed to accommodate movement between building components caused by thermal, settlement, wind, flex and seismic forces.

Bellows:

Widths: 4" - 12" (10.16 cm - 30.48 cm) Standard
(Special sizes are available up to 54" (1.37 m) wide)
Membrane Covers
EPDM (Style WS)
Thickness: 0.060" (1.52 mm)
Colors: Black or White - premium priced and available upon request.
EPDM (Style F)
Thickness: 0.060" (1.52 mm)
Color: Black - premium priced and available upon request.
Closed Cell Support Foam
Thickness varies from 0.375" - 0.75" (9.53 mm to 19.1 mm) depending on bellows width.

Flange1 :
Aluminum2 : .032" (0.81 mm)
Copper: 16 oz. (0.56 mm)
Galvanized Steel2 : 26 ga. (0.56 mm)
Stainless Steel: .018" (0.46 mm) folded to .036" (0.91 mm)
1. Other metals are available upon request.
2. Available in Kynar® finish colored upon request. Kynar® is a registered trademark of Arkema, Inc.

Styles:
WS = For masonry construction, metal buildings and panel wall systems where flanges are concealed and/or sandwiched within the wall system.
F = For joints between new and existing vertical walls, between curtain walls and glass atriums, and other vertical building walls where the flange is part of the closure design. Factory fabricated transitions are available.

point supported glass walkway coverings manufacturers: