05 · Perforated, Mesh & Grating
Perforated sheet and expanded metal
Imperial values are converted from metric; section and sheet designations stay metric.
05
Perforated, Mesh & Grating
Perforated and expanded sheet, welded and woven mesh and bar grating for screens, guards, walkways and façades.
MG-PFPerforated Sheet
Standard and custom patterns in aluminium, stainless and steel.
Open area
| Pattern | Open area % |
|---|---|
| Round 60° stag. | 90.69 × (d/p)² |
| Round straight | 78.54 × (d/p)² |
| Square straight | 100 × (c/p)² |
| Hexagon 60° | 100 × (c/p)² |
d = hole Ø · c = side or across-flats · p = pitch, centre to centre. Example: Ø5 at 8 mm pitch, 60° staggered → 35.4 %.
- Materials
- Al 1050A–5754 · SS 304/316 · MS · GI
- Thickness
- 0.5–6.0 mm0.020–0.236 in
- Sheets
- 1000×2000 – 1500×3000 mm39.4×78.7 – 59.1×118 in
- Margins
- Unperforated borders to order
- Hole rule
- Hole Ø ≥ thickness; larger for SS
- Finish
- Levelled; powder · · anodised
MG-EXExpanded Metal
Slit-and-stretched sheet — no material loss, strong and rigid.
- Types
- Standard (raised) · flattened
- Designation
- × × strand × thickness
- Materials
- MS · GI · aluminium · stainless
- Uses
- Screens, guards, walkways, façades
- Sheets
- 1250×2500 · 1500×3000 mm49.2×98.4 · 59.1×118 in
SPECIFY ASMG-PF · EN AW-5005 H14 · 2.0 × 1250 × 2500 mm · Ø5 @ 8 mm 60° staggered · 20 mm margins · anodised class 20 · 80 sheets
Polyvinylidene fluoride coating. A 70 % PVDF resin system is the standard high-durability façade coating.
Short way of diamond: the short dimension of an expanded-metal mesh opening.
Long way of diamond: the long dimension of an expanded-metal mesh opening.