Industrial Coatings for Roofing & Cladding

Protective Coatings for Industrial Roofing & Cladding

Spraying A Metal Roof with Reflective Paint to Cool the House -3°C

Industrial roofs and cladding are constantly exposed to the UK weather. Rain, moisture, temperature changes, UV exposure and general weathering can gradually affect metal roofing and cladding, particularly where existing protective coatings have deteriorated.

New Guard Coatings provides industrial coating solutions for roofing and cladding applications across the UK, helping businesses protect metal surfaces and maintain industrial and commercial buildings.

The correct coating system depends on the existing substrate, condition of the surface, environmental exposure and required level of protection.

Why Coat Industrial Roofing & Cladding?

Metal roofing and cladding provide an important protective envelope for industrial buildings. However, once the original protective finish begins to deteriorate, the underlying metal can become increasingly vulnerable to corrosion and weathering.

A suitable protective coating can help:

  • Protect metal surfaces from environmental exposure

  • Reduce the risk of corrosion

  • Extend maintenance cycles

  • Restore the appearance of weathered surfaces

  • Provide a durable protective finish

  • Help maintain existing roofing and cladding

Coating an existing roof or cladding system can also form part of a planned maintenance programme, helping address deterioration before more extensive repairs become necessary.

Industrial Roof Coatings

Industrial roof coatings are designed for use on suitable roofing substrates where additional protection or refurbishment is required.

Applications can include:

  • Metal roofs

  • Steel roofing

  • Industrial buildings

  • Commercial buildings

  • Factory roofs

  • Warehouse roofs

  • Agricultural buildings

  • Metal roofing systems

The appropriate product will depend on the existing roof material, condition and intended service environment.

Before applying any coating, the existing surface should be assessed to determine whether it is suitable for recoating and what level of preparation is required.

Explore Roof Coatings →

Metal Cladding Coatings

Metal cladding can experience similar environmental exposure to roofing.

External cladding is regularly exposed to rain, moisture, UV radiation, temperature changes and airborne contaminants. Over time, the existing coating can weather, fade or deteriorate.

A suitable coating system can help provide renewed protection to compatible metal cladding surfaces.

Applications may include:

  • Factory cladding

  • Warehouse cladding

  • Industrial buildings

  • Commercial buildings

  • Steel wall panels

  • External metal panels

The condition of the existing coating should be assessed before selecting a new system.

Explore Metal & Cladding Coatings →

Corrosion Protection for Roofing & Cladding

Corrosion is one of the key considerations when maintaining exposed metal roofing and cladding.

Where protective coatings deteriorate, moisture can reach the underlying metal. If corrosion is allowed to progress, it can affect the condition and appearance of the substrate.

The appropriate protective coating system will depend on factors including:

  • Type of metal

  • Existing coating

  • Level of corrosion

  • Environmental exposure

  • Surface preparation

  • Required durability

  • Compatibility with the substrate

For heavily corroded or deteriorated surfaces, preparation requirements may be more extensive before a new coating can be applied.

Explore Anti-Corrosion Coatings →

UV & Weather Resistance

Industrial roofing and cladding are exposed to changing weather conditions throughout the year.

Rain, sunlight, temperature fluctuations and moisture can all contribute to the gradual deterioration of external coating systems.

When selecting a coating for external roofing or cladding, consider the environmental conditions the finished surface will experience.

Depending on the product, relevant performance considerations can include:

  • Weather resistance

  • UV exposure

  • Moisture resistance

  • Corrosion protection

  • Colour retention

  • Durability

The specific performance characteristics of each coating should be confirmed against the manufacturer's technical documentation.

Preparing Roofing & Cladding Before Coating

Surface preparation is fundamental to the performance of a roof or cladding coating system.

Before coating, inspect the surface for:

  • Rust and corrosion

  • Loose or flaking paint

  • Dirt and dust

  • Oil and grease

  • Moss or biological growth

  • Existing coatings

  • Surface damage

  • Moisture

  • Areas of poor adhesion

The appropriate preparation method will depend on the substrate and condition of the existing surface.

Preparation may involve cleaning, degreasing, mechanical preparation or other methods specified for the selected coating system.

Any loose or failing coating should be addressed before applying a new system.

Read our Surface Preparation Guide →

Choosing the Correct Primer

A primer may form an important part of a roofing or cladding coating system, particularly where the substrate requires additional adhesion or corrosion protection.

Primer selection should take into account:

  • Substrate type

  • Existing coating

  • Surface preparation

  • Corrosion

  • Environmental exposure

  • Compatibility with the topcoat

Not every primer is suitable for every roofing or cladding substrate.

The primer and topcoat should be considered as part of the same coating system and checked for compatibility before application.

Explore Industrial Primers →

Choosing a Roof & Cladding Finish

The finish coat provides the final protective layer and can influence both the appearance and performance of the coating system.

When selecting a topcoat, consider:

Durability

External roofs and cladding require a coating appropriate for the conditions they will experience.

Weather Exposure

Consider the level of rain, moisture, sunlight and temperature variation.

Existing Surface

The coating needs to be suitable for the existing substrate and prepared surface.

Colour & Finish

For commercial and industrial buildings, colour and finish may form part of the refurbishment requirements.

Maintenance

Consider the expected maintenance cycle and future recoating requirements.

Coating Systems for Roofing & Cladding

Roofing and cladding projects may require a multi-coat system rather than a single product.

A typical system may involve:

Surface Preparation → Primer → Protective Topcoat

The exact system will depend on the substrate, condition, environmental exposure and selected products.

Where the existing surface has significant corrosion or coating failure, additional preparation or a different system may be necessary.

Always follow the manufacturer's technical data for preparation, application, film thickness, drying and recoating requirements.

When Should Industrial Roofing & Cladding Be Recoated?

There is no single timeframe that applies to every roof or cladding system.

The need for recoating will depend on factors such as:

  • Existing coating condition

  • Corrosion

  • Weather exposure

  • Age of the coating system

  • Previous maintenance

  • Substrate condition

  • Environmental conditions

Signs that a roof or cladding system may require assessment include:

  • Visible corrosion

  • Peeling or flaking paint

  • Fading or weathering

  • Cracking

  • Blistering

  • Areas where the substrate is exposed

  • Deteriorating existing coatings

Regular inspection can help identify deterioration before the condition of the substrate becomes more difficult to address.

Common Roofing & Cladding Coating Problems

Peeling paint

Peeling can be caused by poor surface preparation, contamination, incompatible coatings or unsuitable application conditions.

Rust appearing through the coating

This can indicate corrosion beneath the existing coating or inadequate preparation before recoating.

Flaking existing coating

Loose or failing material should be addressed before applying a new coating system.

Poor adhesion

Contamination, moisture, unsuitable preparation or coating incompatibility can all affect adhesion.

Uneven finish

Incorrect application, inconsistent film thickness or unsuitable environmental conditions can affect the final appearance.

Industrial Roofing & Cladding Applications

New Guard Coatings provides coating information and solutions for a range of industrial and commercial applications, including:

  • Factory roofing

  • Warehouse roofing

  • Industrial cladding

  • Commercial buildings

  • Agricultural buildings

  • Steel roofing

  • Metal wall cladding

  • External metal structures

The appropriate product should always be selected according to the substrate and manufacturer's technical recommendations.

Frequently Asked Questions

What is the best coating for a metal roof?

There is no single coating suitable for every metal roof. The correct product depends on the roof substrate, existing coating, surface condition, environmental exposure and required performance.

Can industrial coatings be applied over existing roof paint?

Potentially, provided the existing coating is sound, suitably prepared and compatible with the proposed system. Loose, failing or incompatible coatings may require removal.

Does a metal roof need a primer?

A primer may be required depending on the substrate, existing coating and selected coating system. Always follow the manufacturer's technical recommendations.

How do you prepare a metal roof before painting?

Preparation depends on the condition and type of roof. It can involve cleaning, degreasing, removal of corrosion and mechanical preparation where required.

How do you stop a metal roof from rusting?

An appropriate protective coating system can help protect suitable metal surfaces from environmental exposure and corrosion. Correct surface preparation and coating selection are important.

Can you paint industrial cladding?

Suitable industrial coatings can be applied to compatible cladding substrates where the existing surface is appropriately prepared and the coating system is suitable.

How often should industrial roofing be recoated?

There is no universal recoating interval. The required maintenance cycle depends on the coating system, environmental exposure, substrate condition and level of deterioration.

Can New Guard Coatings recommend a roof coating?

New Guard Coatings provides product information and technical guidance for industrial coating applications. The appropriate product should be selected according to the substrate, existing surface and intended environment.

Protect Your Industrial Roof or Cladding

Maintaining the protective coating on industrial roofing and cladding can help protect the underlying substrate from environmental exposure and corrosion.

The key to a successful coating project is selecting a suitable system and preparing the existing surface correctly before application.

New Guard Coatings provides industrial coating solutions and technical information for roofing, cladding and other industrial applications across the UK.

Explore Roof Coatings →

Explore Anti-Corrosion Coatings →

Explore Industrial Primers →

Explore Metal Paint →

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