STEEL SHEETS

Flat Metal Sheets – Custom-Made & Cut to Size

Alpha Steel's flat metal sheets are precision-cut in-house to your required dimensions, guaranteeing a perfect fit and consistent finish. Whether you need flat sheets for cladding, fabrication or roofing applications, our team delivers nationwide within days.

Our flat sheets are available in a range of thicknesses and coatings to suit every project — from practical galvanised steel to the added longevity of polyester and plastisol finishes. Each sheet is manufactured to the highest quality standard at our Bolton facility.

Width 1220mm / 1250mm
Length Up to 3m+
Thickness 0.4mm — 0.7mm
Delivery Nationwide
✓ Cut to Size
✓ Made in UK
✓ Nationwide Delivery
✓ Custom Dimensions
Get a Quote →

Precision Cut

Cut in-house to your exact dimensions

Made in UK

Manufactured at our Bolton facility

Weather Resistant

Durable coatings for all conditions

Fast Delivery

Nationwide delivery within days

FINISH OPTIONS

What Coatings Do We Offer on Our Flat Metal Sheets?

We always recommend our PVC Plastisol-coated sheets due to their cost-effectiveness and excellent resistance to abrasion and corrosion. Polyester-coated sheets are also a high-quality, versatile option. Each coating provides a different balance of protection, durability and cost.

Galvanized

  • Shiny/Dull silver colour finish
  • Available 0.4mm — 0.7mm thickness
  • Excellent corrosion resistance
  • Cost-effective option

Plastisol

  • Textured finish
  • Available 0.4mm — 0.7mm thickness
  • Superior durability & protection
  • Up to 25 years guarantee
COLOUR CHART
Grey
Green
Anthracite
Black
COLOUR OPTIONS

Colours Available on Flat Metal Sheets

Each flat metal sheet can be finished to match your project's design or existing building materials. Our coated steel range is available in sixteen standard colours, from traditional heritage tones to modern architectural shades.

These options make it easy to coordinate your flat steel sheets with existing roofing, trims or surrounding materials while providing a durable, long-lasting finish.

Request Free Colour Samples →
Supporting Components & Accessories

To help complete your flat metal sheet project, we also offer a range of essential components including flashings, fixings, and trims — all manufactured to the same quality standard for a consistent, professional finish.

DIMENSIONS

Standard Sizes & Custom Options

Flat sheets can be supplied in standard or bespoke dimensions to suit your project. All sheets are cut-to-size in our UK facility for full accuracy and reduced material waste.

Widths
1220mm or 1250mm
Length
3m (longer sheets available on request)
Thickness
0.4mm — 0.7mm
Custom Sizes
Available on request

ⓘ All sheets are cut-to-size in our UK facility for full accuracy and reduced material waste.

WHY CHOOSE US

Why Choose Alpha Steel's Flat Metal Sheets?

Precision Cut In-House

Every sheet is cut to your exact dimensions at our Bolton facility — guaranteeing a perfect fit every time.

Made in the UK

Manufactured in the UK to the highest quality standards — supporting British industry and ensuring reliable quality.

Multiple Coating Options

Choose from galvanised, polyester or plastisol finishes to match your project requirements and budget.

Nationwide Delivery

Fast, reliable delivery across the UK — whether you're local to Bolton or based anywhere in the country.

Versatile Applications

Suitable for cladding, roofing, fabrication and a wide variety of industrial and commercial applications.

16 Standard Colours

Available in sixteen standard colours with custom finishes available on request — perfect for any project aesthetic.

Ready to Order Your Flat Metal Sheets?

Get a fast, accurate quote from our team. All sheets are cut to your exact specifications and delivered nationwide.

FLAT METAL SHEETS - FAQ

1What are Flat Metal Sheets used for?
lat Metal Sheets are versatile steel panels used for a wide range of applications including: - Roof underlays and sarking - Internal wall linings - Partitions and screens - Fascia and soffit panels - General fabrication and construction projects - Protective cladding over insulation panels
2What sizes do your Flat Metal Sheets come in?
We supply flat sheets in a range of standard sizes. Custom cut sizes are also available — contact us with your exact dimensions and we will cut to order.
3What finishes are available for Flat Metal Sheets?
Flat sheets are available in: - Galvanised — plain zinc-coated steel, ideal for concealed or structural applications - Polyester painted (15-year guarantee) — available in up to 16 colours - Plastisol coated (25-year guarantee) — thicker coating for exposed or high-durability applications
4What colours can I choose from?
Painted flat sheets are available in the same colour range as our profiled sheets — including Anthracite, Merlin Grey, Ocean Blue, Heritage Green, Moorland Green, Terracotta, Black, White and many more. Contact us to confirm current colour availability.
5Can Flat Metal Sheets be used externally?
Yes — when supplied with a Polyester or Plastisol coating, flat sheets are fully suitable for external use. For exposed locations or coastal environments we recommend Plastisol for its superior weather and corrosion resistance.