How to choose cladding for commercial buildings
If you are planning a refurbishment or new build, choosing the right cladding is one of the biggest decisions you will make for your building envelope. The right commercial cladding improves weather protection, energy efficiency, durability, and kerb appeal. The wrong choice can create expensive maintenance, poor thermal performance, and in the worst cases serious fire safety risk.
At RDP Cladding, we install commercial building cladding systems for industrial, retail, and commercial sites across Northamptonshire and the wider Midlands, with nationwide capability where required. Our projects typically include full documentation including RAMS and O and M manuals, and manufacturer backed warranties up to 40 years depending on the specification.
Start with the decision that matters most, fire safety and compliance
Before you compare colours, profiles, or budgets, you need clarity on fire safety requirements for your building. In England, Approved Document B is the statutory guidance reference point for fire safety under the Building Regulations, including Volume 2 for buildings other than dwellings.
Some building types are also subject to specific restrictions on combustible materials in external walls. Government guidance explains a ban introduced in 2018 for certain higher risk building types above 18 metres, and official FAQs for the Building (Amendment) Regulations 2018 describe the requirement for buildings in scope as using only materials classified as A1 or A2 s1 d0 to BS EN 13501 1, subject to exemptions.
What this means in practice is simple: when you choose commercial cladding, you must confirm the compliance route for your specific project, based on building use, height, occupancy profile, and the advice of Building Control and where needed competent fire safety specialists.
Understand the main types of commercial cladding systems
Many buyers search for “commercial cladding systems” because they want a clear list of options. In the UK market, your main categories will usually include:
Built up systems.
These site assembled approaches can be designed for different performance targets including fire resistance and thermal performance, and are often selected where design flexibility, performance, and detailing control are priorities.
Rainscreen cladding.
This is a façade approach that creates a ventilated cavity between the outer skin and the backing wall, supporting moisture management and ventilation. Competitor guides often split rainscreen into drained and ventilated or pressure equalised approaches, and materials can include metals, stone, timber, and metal composite materials.
Metal profile cladding and standing seam systems.
These are often chosen for durability, weather resistance, and a contemporary commercial look, with different profile and coating options.
Curtain walling.
Typically associated with multi storey commercial buildings where glazed and opaque infill panels sit within a lightweight frame system.
Your best option depends on what your building needs most: fire safety, thermal performance, durability, maintenance, speed, or aesthetics.
Comparing commercial cladding by performance
When clients compare commercial wall cladding options, price per square metre is only one input. A more robust selection method is to score systems across these performance criteria:
Fire performance evidence.
Where relevant, ask for reaction to fire classifications and confirm what standard those classifications reference. Government publications on combustibility restrictions reference BS EN 13501 1, and the Building (Amendment) Regulations FAQ uses A1 and A2 s1 d0 language for buildings in scope.
System level behaviour.
For some external wall systems, it can be necessary to consider how components behave together. BSI describes BS 8414 as a large scale test method intended to provide data enabling evaluation of the fire performance of cladding components tested in combination.
Thermal performance and condensation risk.
If energy performance is a priority, insulated composite panels and insulated systems can deliver strong outcomes, and RDP’s wall cladding and overcladding pages reference example U values down to 0.18 W per square metre kelvin depending on specification.
Weathering, corrosion resistance, and cleaning.
Coastal and industrial environments place more stress on coatings and fixings. Long term maintenance access should be designed in, especially for multi elevation commercial building cladding.
Water management and ventilation.
Rainscreen approaches are widely explained as combining an outer skin with a ventilated cavity that supports drainage and evaporation, which helps protect the insulation and weather resistant layers behind.
Choosing between replacement, refurbishment, and overcladding
Not every tired façade needs a full strip out. Overcladding can be suitable when the structure remains sound but performance or appearance needs upgrading. Overcladding can be described as installing a new weatherproof cladding system over existing roof or walls to create an additional protective layer without complete removal, and highlights its use on buildings with asbestos containing materials where encapsulation is a safe compliant alternative.
Where the existing structure is failing, or where materials are deteriorated, a full replacement approach may be necessary. For roofs and related envelope works, RDP’s strip and resheet page positions replacement as suited to end of life systems, structural issues, or asbestos removal needs and notes their approach includes fixed price quotes, safety documentation and long warranties.
What cladding to avoid and how to avoid specification mistakes
If you want the short version: avoid cladding choices that cannot be evidenced with reputable test data and documentation for your building type and height, avoid systems known for combustibility risk, and avoid poor installation and detailing.
Combustible aluminium composite panels with flammable cores and cheap plastics sit high on the avoid list for fire risk, and it also warns against untreated steel sheeting due to corrosion risk and water ingress. It also highlights that asbestos containing cladding is hazardous and should not be used in modern contexts.
The safest approach is to specify commercial cladding systems that are supported by the right evidence, installed by competent teams, and recorded properly at handover.
Conclusion
Choosing cladding for a commercial building is not simply a design decision, it is a long term investment in safety, performance, and asset value. The right system should meet fire and regulatory requirements, deliver proven thermal and weather performance, and be supported by clear documentation and manufacturer warranties.
By focusing on compliance first, comparing systems by measurable performance rather than headline price, and ensuring proper documentation at handover, you significantly reduce risk and protect your building over its lifecycle. Whether you are planning a new build, a refurbishment, or an overcladding upgrade, a structured approach will help you avoid costly specification mistakes.
If you would like practical guidance tailored to your site, RDP Cladding can support you from initial survey through to fully documented installation, helping you select a compliant, durable, and commercially sound cladding solution. Request a free site survey to assess your building’s specific requirements.
Frequently Asked Questions
Why Choose RDP Cladding?
Our approach combines technical expertise with practical site knowledge. We provide complete documentation including risk assessments, method statements, and operations manuals, ensuring compliance with all building regulations and health and safety requirements.
As accredited Kingspan installers with SMAS Worksafe certification, we deliver installations that meet the highest industry standards.
Our Process
Every project begins with a thorough site assessment to understand your building’s specific requirements and identify the most suitable system for your needs.
Whether you’re updating an existing building or completing a new commercial development, we provide fixed-price proposals and maintain clear communication throughout the installation process.
To discuss your commercial cladding requirements or arrange a site visit, get in touch with our team today.