Interlocking Stair Treads for Quick Drainage of Fluids

Interlocking safety grating stair treads provide a number of advantages - slip-resistance, fast and simple installation, economical cost and versatility. 45% opening area permits quick passage of fluids, mud, snow and other debris. Raised dimples offer traction in all directions and in all weathers. Carrier plates with pre-punched holes and slots are used to bolt to stair stringers. The dimension of carrier plates are different for stair treads with or without nosing. Look the details from the table below. Intermediate stringer is recommended when spans are over 4 feet. Interlocking safety grating stair treads are used in many industries including oil, gas, waste, sewage, mining and other industrial plants.

Interlock stair treads with textured surface.

IST-1: Interlock Grating Stair Treads.

Interlock grating carrier plate details.

IST-2: Carrier Plate drawing.

Table-1: Interlocking Safety Grating Carrier Plate Specifications
Item A
Tread Width
For stair treads without nosing
ICP-1 6" 2" 2" 1-1/8"
ICP-2 9" 5" 2" 1-1/8"
ICP-3 12" 8" 2" 1-1/8"
For stair treads with nosing
ICPN-1 7-1/2" 4-1/2" 2-1/2" 1-1/8"
ICPN-2 10-1/2" 7" 2-1/2" 1-1/8"
ICPN-3 13-1/2" 7" 2-1/2" 1-1/8"

Product descriptions:

  • Item: Interlocking grating stair treads.
  • Width: 3", 4", 6", 9" & 12".
  • Channel depth: 2-1/2".
  • Length: 12', 20', 24' or cut to size.
  • Material: Galvanized steel.
  • Gauge: 14, 16 and 18.
  • Flange: Female-Female, Female-Male, Male-Male.
  • Accessories: hold-down clamp, hold-down clip, J-bolts are sold separately.

Note: Channel depth of 1-1/2", 3" and 4" should be specially ordered.

Features & benefits:

  • Available in diverse dimensions for special requirements.
  • Fast and simple installation.
  • Not as aggressive as diamond strut safety stair treads.
  • More economical cost.
Interlock grating stair treads for a platform.

IST-3: Industrial stair treads grating.

Interlocking grating temporary bridge over pipes.

IST-4: Temporary Grating Bridge.

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