Pressed gratings, stair treads and GRP gratings

Stair treads

Corresponding gratings stair treads are available for all RR/RH types. The treads fitted with a safe toe edge nosing and mounting plates for fastening between the stringers. Standard treads, for example Staco stair tread TR 3-30/34,3 x 33,3 galvanized with mounting plate as shown below, are available from stock.

Staco stair tread TR 3-30/34,3 x 33,3 galvanized

Bearing bars 30x3 mm
Crossbars 10x2 mm
Mesh size 34,3 x 33,3 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 TR.AD

Serrated bearing bars.


Type TR.AV

Serrated crossbars.


Type TR.ADV

Serrated bearing and crossbars.


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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