Perforated metal plank Type BN-G33

The perforated metal planks, type BN-G33 “Noppe, geschlossen” has upwardly pressed closed nubs and provides a high slip resistance. BN-G33 is suitable for indoor in combination with BN-G33vi stairtreads (with i-perforated nosing). BN-G33 is suitable for areas where on the one hand a closed surface is desired and on the other hand a good accessibility must be guaranteed.

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Steel S235JR:   2,0 mm, 2,5 mm

Stainlee Steel:   1,5 mm, 2,0 mm

Aluminium: 2,0 mm, 2,5 mm

Surface traetment

Steel:   untreated, hot-dip galvanized, pre-galvanized

Edelstahl:   untreated, pickled

Aluminium:   untreated, pickled, anodized

Free cross section 0,0% closed surfcae

150 mm, 200 mm, 250 mm, 300 mm, 330 mm

(other widths possible on request)


30 mm, 50 mm, 75 mm, 100 mm, 150 mm

(corresponing to width and statical specification, other heights on request)

Ball proof 100% full filled, closed surface
Serration R10 / V10 (Steel, hot-dip galvanized IFA 1504065)
Longitudinal grid 133,33 mm (66,66 mm)
Production length  max. 10 m, depending transport limited


With perforated metal planks, type BN-G33vi “Noppe, offen, vi-nosing” is designed for stair treads and a perfect complement for types BN-G33 and BN-O33. The upwardly pressed closed nubs provides a high slip resistance. Due to the vi-nosing is a tactile and optical recognition function given and the attachment of an additional welded nosing can be omitted.


Possible step widts: 240 mm, 270 mm, 300 mm, 330 mm, 360 mm (other widths on request)

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Screw connection No. 29 


Element butt fixing No. 27


Clamping claw No. 34


Butt joint No. 24


Angle fixing No. 30


Butt strap No. 31