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genotek / fire rated / of1670
promate os series

of1670
promate os series

sku: of1670 · floor
best for: commercial buildings with differential slab levels requiring interlocking recessed floor joint coverage.

Introducing the OF-1670

The PROMATE OS Series OF-1670 is an offset modular interlocking floor expansion joint cover for differential slab conditions. The offset profile maintains the clean interlocking look of PROMATE RM across stepped floor elevations, handling thermal movement in commercial corridors, retail spaces, and hospitality projects where adjacent slabs finish at different heights.
Multi-Directional Movement Multi-Directional Movement
Low Maintenance Low Maintenance
Water Barrier Water Barrier
Indoor / Outdoor Usability Indoor / Outdoor Usability
movement
01 — movement

seismic movement accommodation

capable of handling multi-directional seismic movement, lateral shear, and thermal expansion, the superfinish series ensures flexibility without stressing its metal components. this allows the system to maintain its integrity and function even under significant structural shifts

water barrier
02 — water barrier

water protection

featuring an integrated water barrier that connects seamlessly to adjacent waterproofing membranes, the superfinish fs ensures complete water resistance without the need for punctures or anchor holes in the barrier. this design prevents water ingress, providing reliable protection in areas exposed to constant moisture

load bearing
03 — load bearing

load bearing

constructed to support heavy pedestrian traffic and light vehicular loads, the superfinish series offers durability and resilience for high-traffic interior and exterior spaces

assembly
04 — assembly

assembly in action

this video demonstrates the assembly process, perfectly designed for easy installation for durability and reliability.

Optional Vapor Barrier

For added protection, an optional vapor barrier is available, constructed from either EPDM or TPV, which offers high tensile and tear resistance, ensuring long-term performance against moisture penetration
Optional Vapor Barrier

Anti-slip Serration

The anti-slip serrations in the aluminum surface of an expansion joint provide exceptional traction and safety along with rubber insert for enhanced grip. These precision-engineered grooves create a high-grip texture that prevents slips and skids, even in wet conditions. The serrated design ensures secure footing for pedestrians and vehicles, enhancing the jointu2019s overall safety and functionality. Engineered for durability and performance, these anti-slip serrations offer a reliable, long-lasting solution for maintaining a safe environment in various applications
Anti-slip Serration

Customizable Recessed Pan for Floor Finishes

The deep recessed pan allows for customization with various floor finishes, enabling the joint to blend seamlessly with different design styles while maintaining the structural support required for heavy-duty use
Customizable Recessed Pan for Floor Finishes

Noise Reduction

Integrated elastomeric rubber gaskets between the aluminum profiles to cancel out metal-to-metal noise, enhancing acoustic comfort. This feature minimizes noise when subjected to movement, delivering a quiet and efficient joint cover solution for various applications
Noise Reduction

Premium Aluminum for Architectural Materials

Aluminum grade 6063, the premium material used in the expansion joint cover, offers strength, corrosion resistance, and durability. Available in T5 and T6 tempers or customized to meet project needs, this versatile alloy ensures exceptional structural integrity and longevity. Aluminum 6063 withstands high-traffic areas, extreme temperatures, and corrosive conditions, making it an ideal choice for diverse applications, from commercial facilities to infrastructure projects
Premium Aluminum for Architectural Materials

System Drawing

Technical system drawing.
System Drawing
interactive tool

gap size calculator

enter your expansion gap measurement to see if this product is right for you.

💳
20mm ≈ credit card
✌️
50mm ≈ two fingers
100mm ≈ fist width
🖐️
200mm ≈ hand span
mm
of1670 covers gap sizes from 25mm to 100mm. enter your measurement above to see the movement capacity, profile width, and whether this product handles your requirements.

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technical data

profile specifications

profile width gap range movement height cover weight
80mm 25 – 43mm ±6.3 – ±10.8mm 12mm 40mm 0.42 kg/m
120mm 38 – 63mm ±9.5 – ±15.8mm 12mm 55mm 0.58 kg/m
160mm 63 – 88mm ±15.8 – ±22mm 14mm 70mm 0.74 kg/m
200mm 88 – 100mm ±22 – ±25mm 14mm 85mm 0.9 kg/m
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gap range
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of1685 premium
of1685
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commercial and industrial buildings with stepped floor conditions requiring durable interlocking joint coverage.
gap range
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movement
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of1660 premium
of1660
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buildings with differential slab levels requiring recessed floor joint coverage with tile or stone infill.
gap range
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movement
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