Maximum Recommended Tread Lengths

Treads with a length less than 1200mm are designed to allow for a 1.5kN load distributed over a 100mm x 100mm area applied to the middle, front edge of the tread.

Tread lengths greater than 1200mm allow for a 1.5kN load distributed over two areas of 100mm x 100mm.

Deflection of the tread should not exceed 1/300th of the length or 6mm, which ever is the lesser.

  

Safegrid / Safety Grating RGL
(Liongrip Nosing)

Bearing Bar

Cross Centres

Maximum Tread Lengths

41mm pitch 30mm pitch
25 x 3 767 846
30 x 3 880 998
35 x 3 1017 1177
40 x 3 1175 1199
 
20 x 5 742 812
25 x 5 871 986
30 x 5 1034 1199
35 x 5 1199 1199
40 x 5 1199 1199
50 x 5 1305 1511

Safetread DL
(Liongrip Nosing)

Bearing Bar

Cross Centres

Maximum Tread Lengths

41mm pitch 30mm pitch
25 x 3 n/a 793
30 x 3 n/a 887
35 x 3 n/a 1029
40 x 3 n/a 1199
 
20 x 5 759 n/a
25 x 5 900 n/a
30 x 5 1076 n/a
35 x 5 1199 n/a
40 x 5 1199 n/a
50 x 5 1199 n/a

Safelock SLL
(Liongrip Nosing)

Bearing Bar

Cross Centres

Maximum Tread Lengths

41mm pitch 30mm pitch
25 x 3 627 651
30 x 3 688 737
35 x 3 777 860
40 x 3 893 1015
 
20 x 5 603 616
25 x 5 658 696
30 x 5 753 828
35 x 5 886 1006
40 x 5 1052 1199
50 x 5 1199 1211
 

Floor Plate CL

(Liongrip Nosing)

Description

Maximum Tread Lengths

Liongrip nosing with

35 x 5 bar

 

1199

Stanweld SC

(Convex Nosing)

Pitch

Maximum Tread Lengths

             MS

(Medium Profile with

23.8mm opening)

1068

 

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