Perforated Galvanised Steel Sheet
Perforated Galvanised Steel Sheet
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Perforated galvanised steel sheet from Rackerman, available in 9 hole patterns from R2/T3.5 to R20/T27, in thicknesses of 0.7mm, 0.8mm, 1mm, 1.5mm, 2mm and sheet sizes of 2 x 1m and 2.5 x 1.25m. Pre-galvanised (zinc-coated) steel gives strong corrosion resistance, making it the right choice for outdoor, damp and exterior applications where uncoated mild steel would rust. Select your exact hole pattern, sheet size and thickness from the options above – every combination is a stocked specification supplied across the UK.
Why choose perforated galvanised steel sheet
Perforated galvanised steel combines strength with open area for airflow, light, drainage and visual effect. It is widely used for ventilation grilles, machine and plant guards, screens and sieves, balustrade and balcony infill panels, acoustic screening, vehicle and trailer panels, agricultural screens, sign blanks and decorative facade cladding. Smaller holes (such as R2/T3.5) give a finer, more solid appearance with higher strength; larger holes (such as R20/T27) give a greater open area for maximum airflow and through-vision.
Hole patterns available
All patterns are round-hole on a staggered 60° triangular layout, the UK industry standard. The pattern code reads as R (hole diameter) / T (pitch, centre-to-centre spacing).
| Pattern | Hole | Pitch |
|---|---|---|
| R2/T3.5 | 2mm round | 3.5mm |
| R3/T5 | 3mm round | 5mm |
| R4/T8 | 4mm round | 8mm |
| R5/T7 | 5mm round | 7mm |
| R5/T8 | 5mm round | 8mm |
| R8/T11 | 8mm round | 11mm |
| R10/T13 | 10mm round | 13mm |
| R10/T15 | 10mm round | 15mm |
| R20/T27 | 20mm round | 27mm |
Sizes, thickness & specification
Sheet sizes: 2 x 1m and 2.5 x 1.25m. Thicknesses: 0.7mm, 0.8mm, 1mm, 1.5mm, 2mm. Heavier gauges give greater rigidity and load-bearing capacity; lighter gauges are easier to cut, form and handle for decorative screens. Material is supplied to BS EN ISO 9001 production tolerances. These are stock-size sheets – for bespoke cut-to-size pieces or trade quantities (5+ sheets) contact us for a project quote.
Delivery & offloading
Lead times are currently 3–5 working days. Perforated sheets are heavy, bulky items and are delivered on a pallet to mainland UK addresses. Please ensure suitable site access and someone available to assist with offloading. Free UK delivery is included.
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FREQUENTLY ASKED QUESTIONS
What does a code like R5/T8 mean?
The 'R' is the round hole diameter in millimetres and the 'T' is the pitch – the centre-to-centre spacing between holes – on a staggered 60° pattern. So R5/T8 is 5mm round holes spaced 8mm apart. This is the standard UK perforated sheet convention.
What is perforated galvanised steel used for?
Perforated galvanised steel sheet is used for ventilation grilles, machine guards, screens and sieves, balustrade and balcony infill, acoustic panels, vehicle and trailer panels, agricultural screens, sign blanks and decorative facade cladding. Hole size and pitch determine the open area and the look.
Can I order a specific hole pattern, size and thickness?
Yes – choose the hole pattern, sheet size and thickness from the options on this page and the correct price updates automatically. Each combination is a stocked specification.
What's the delivery lead time?
Lead times are currently 3–5 working days. Sheets are heavy, bulky items delivered on a pallet to mainland UK addresses – suitable site access and someone to assist with offloading are required.
MONEY BACK GUARANTEE
Here at Rackerman, we take customer satisfaction very seriously. If you are unsatisfied with the quality of your product, please email us info@rackerman.co.uk or give us a call: 01665 497513 and we will make it right.
SHIPPING
It should take no longer than 1-2 business day to process your order, then 3-5 working days (5-10 working days on RSJs + Chippings) to then receive your order from us after dispatch.
If you haven't received your items in this time frame, please contact us.
RETURNS
If you are unsatisfied with your purchase, that's completely fine! We offer a 30 day money back guarantee to all customers, no questions asked! Please contact us to arrange a return.