Welded gratings and stair treads

Stair treads Type SP

Corresponding gratings steps are available for all SP types. The steps are fitted with a safe toe edge nosing and mounting plates for fastening between the stringers. Standard treads, for example Staco stair tread TSP 3-30/34,3 x 38,1 galvanized with mounting plate as shown below, are available from stock.

Staco stair tread TSP 3-30/34,3 x 38,1 galv. 

Bearing bars 30x3 mm
Crossbar V5 of 5 mm diameter
Mesh size 34,3 x 38,1 mm c.t.c.
Front of toe edge nosing
Sides of mounting plates 70x3 mm with holes
Rear of Staco profile edge bars 30 mm high


Anti-slip versions for better grip:

 

Type TSP.S4 or TSP.S5 or TSP.S6

Serrated bearing bars (different shapes of serrating).


 
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Tools

Strength analysis

uniform load and point load

Air circulation calculation

air circulation for louvre gratings

Staco

specifications

 

 

Staco is a ROTO company