Perforated metal plank Type BN-O

With perforated metal planks, type BN-O “Noppe, offen“ the bothsided punched holes have a diameter 8 mm and allows an excellent standing stability. Furthermore the drain holes exhibit good drainage. The BN-O grating guarantees a high stability for normal pedestrian traffic. 

blechprofilrost bno 1
blechprofilrost bno 2 blechprofilrost bno 4


Steel S235JR:   2,0 mm, 2,5 mm

Stainless steel:   1,5 mm, 2,0 mm

Aluminium: 2,0 mm, 2,5 mm

Surface treatment 

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

Stainless Steel:   untreated, pickled

Aluminium:   untreated, pickled, anodized

Free cross section max.~ 5,0%

150 mm, 200 mm, 250 mm, 300 mm

(other widths on request)


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

(Corresponding to width and statical specification; other heights on request)

Ball proof Ø 10 mm (a Ø 10 mm ball don´t fall through / 10 mm ball proof)
Serration R11 / V10 (Steel, hot-dip galvanized IFA 1504066)
Longitudinal grid 125 mm (62,5 mm)
Production length  max. 10 m, depending on transport limit

Screw connection No. 29 


Element butt fixing No. 27


Direct screw connection No. 26


Clamping claw No. 34


Butt joint No. 24

B21 1

Clamp fastening No. 21

B22 B23

Hook screw fixing No. 22


Angle fixing No. 30


Butt strap No. 31