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Best Roofing MaterialsGalvanised Steel (2026)

4 roofing materials matching materialGalvanised Steel, hand-picked from UK Amazon listings.

Not sure which one to pick? Read our Best Roofing Materials UK (2026) guide.

Galvanised steel roofing materials offer a robust and durable solution for various construction projects across the UK. These sheets are manufactured from high-grade galvanised steel, providing exceptional resistance to weathering, corrosion, and impact – key factors in ensuring long-term structural integrity, particularly in exposed environments. This material is commonly used for agricultural buildings, sheds, garages, and smaller commercial structures where a reliable and cost-effective roofing option is required.

When selecting galvanised steel roofing, it's important to consider the gauge (thickness) of the steel. A thicker gauge will provide greater strength and durability, while also offering improved insulation properties. These materials are relatively easy to install with appropriate tools and skills, though professional installation is recommended for larger or more complex projects to guarantee a watertight seal and long-lasting performance.

Galvanised steel roofing offers excellent value for money, providing a strong and weather-resistant covering that requires minimal maintenance. It's important to note that while highly durable, it’s still susceptible to damage from extreme forces or sharp objects; regular visual inspections are advised to identify any potential issues early on.

Pros

  • Wide heads grip roofing felt securely without tearing it
  • Galvanised coating resists rust and corrosion in exposed outdoor use
  • Reusable plastic case keeps loose nails organised and easy to carry

Cons

  • 13mm length is best suited to felt and light board, not thicker timber
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Galvanised Roofing Felt Clout Nails 13mm (Pack of 50)

#2 Pick

Galvanised Roofing Felt Clout Nails 13mm (Pack of 50)
Rated 4.5 out of 5 stars (1,256)
  • Galvanised Steel
  • 13mm, Pack of 50

£3.38

Pros

  • Wide clout heads grip roofing felt securely without tearing it
  • Galvanised finish resists rust in exposed outdoor conditions
  • Amazon Choice pick with a strong review track record for the price

Cons

  • Small pack size means larger jobs need several packs
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Pros

  • 20mm length suits slightly thicker felt and light board than standard clouts
  • Extra-large heads spread load and resist pull-through in windy conditions
  • Galvanised coating gives good long-term corrosion resistance outdoors

Cons

  • Longer length is unnecessary for very thin standard shed felt
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Pros

  • Large clout heads stop roofing felt and shingles pulling through in high winds
  • Galvanised coating resists rust and corrosion on an exposed roof
  • 100-piece pack is enough for a typical shed or summerhouse re-felt job

Cons

  • Short 8mm length only suits thin roof decking, not thicker timber
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FAQ

What is galvanised steel?+

Galvanisation is a process of coating iron or steel with zinc. This creates a protective layer that significantly reduces corrosion, making the steel much more durable and resistant to rust – ideal for outdoor roofing applications.

How thick should galvanised steel roofing be?+

The recommended gauge for general use is typically 16-22 gauge. For heavier loads or exposure to harsh weather, consider a thicker gauge (e.g., 14 gauge) for increased strength and longevity.

Is galvanised steel suitable for agricultural buildings?+

Yes, galvanised steel roofing is commonly used in agricultural buildings due to its resistance to moisture, rot, and the impact of animals. However, ensure it’s appropriately rated for the specific load requirements of your building.

How does galvanised steel compare to other roofing materials?+

Compared to felt or asphalt, galvanised steel offers superior durability, longevity, and resistance to weather damage. While initially more expensive, its long-term cost is often lower due to reduced maintenance needs.

What tools do I need to install galvanised steel roofing?+

You'll typically need a measuring tape, saw (for cutting), drill, screwdriver, safety glasses, gloves and potentially a rivet gun for securing the sheets. Consult specific installation guides for detailed tool requirements.

Will galvanised steel rust over time?+

While galvanised steel is highly corrosion-resistant, it’s not entirely immune to rusting. Regular cleaning and occasional application of sealant can help maintain its protective layer and extend its lifespan.

Is galvanised steel a good insulator?+

Galvanised steel offers limited insulation properties on its own. For improved thermal performance, consider adding a breathable membrane beneath the roofing sheets to reduce heat gain in summer and heat loss in winter.

What is the typical lifespan of galvanised steel roofing?+

With proper installation and maintenance, galvanised steel roofing can last for 50 years or more. Regular inspections and repairs will help maintain its performance over this period.

Can I paint galvanised steel roofing?+

Yes, you can paint galvanised steel roofing using specialist paints designed for metal surfaces. However, always use a primer specifically formulated for galvanised steel to ensure proper adhesion and corrosion protection.

What are the potential downsides of using galvanised steel roofing?+

The primary downside is the initial cost compared to some other roofing materials. Also, while durable, it’s susceptible to damage from sharp objects if not properly maintained, requiring regular inspections.