The Flooring Expert
Aluminum Seismic Floor Corner Expansion Joint Cover
aluminum expansion joint is designed for interior and exterior applications. The aluminum center plate spans the two slabs and allows for thermal movement of up to 100% or even 200% of its joint width.
Fire barrier and water barrier provides the solution for project’s waterproof and fire retardant needs.
The center plate can adapt to any kind of tiles by painting it to any kind of colors. This type of expansion joint is often applied in the shopping malls, office buildings and airports.
Specification
| Item Name | Floor expansion joint metal cover for real estate |
| Material | Extruded aluminum |
| Joint Width | 150mm~200mm |
| Movement Capacity | 190mm~290mm |
| Application | Floor to floor |
| Customized | Available |
1.1 Material composition of expansion joint cover
1) The expansion joint cover device is composed of aluminum alloy profiles, aluminum alloy plates (or stainless steel plates), rubber moldings and various special rubber strips.
2) If the expansion joint cover device is equipped with water stop tape, fire retardant tape and thermal insulation tape, the expansion joint cover device can also meet the design requirements of waterproof, fireproof and heat preservation.
(1) The waterstop is made of 1.5mm thick EPDM rubber sheet, which can be used in the sun, damp, and cold natural environment for a long time. When the length direction needs to be connected, it can be bonded with lap glue.
(2) The fire barrier is a special accessory composed of two layers of stainless steel lining boards with aluminum silicate refractory fiber felt. The two sides of the fire barrier are fixed to the main structure. The fire resistance limit is tested according to GB/T9978-1999 “Fire resistance test method of building components”, which can meet the different requirements of 1h to 4h.
1.2 Classification
1) According to the use of the building, it is divided into: floor expansion joint cover, wall expansion joint cover, roof expansion joint cover.
2) Expansion joint covers are divided into flat type and corner type according to the characteristics of the parts used.
3) According to the structural characteristics of the expansion joint cover device, it is divided into: metal cover type, metal lock type, single row embedded flat type, double row embedded flat type, rubber embedded flat type.
4) According to the special requirements of the use function, it is divided into: load-bearing type and seismic type.
1.3 The applicable seam width of the expansion joint cover device is 25～450mm.
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