Metalseal Roof Coating

Specialist Silicone System for Metal Roof Refurbishment

Metalseal roof coating is a BBA-approved silicone coating system designed to refurbish, waterproof and protect metal roofs. Manufactured by Liquasil, Metalseal provides outstanding corrosion resistance, flexibility and long-term durability, making it one of the leading solutions for metal roof refurbishment in commercial and industrial environments.

Total Cladding & Roofing Ltd is approved to install Metalseal roof coating systems throughout the UK.

What Is Metalseal Roof Coating?

Metalseal is a liquid-applied silicone coating engineered specifically for profiled steel and metal roof systems. It bonds strongly to metal substrates and forms a seamless, UV-stable membrane that prevents corrosion and water ingress.

Key characteristics include:

• Excellent UV and weather resistance

• High elasticity to accommodate movement

• Strong adhesion to metal surfaces

• Long-term corrosion protection

• BBA-certified system performance

Metalseal is often used where metal roofs have degraded coatings, corrosion or leakage issues.

When Is Metalseal Used?

Metalseal is typically specified for:

• Metal roofs suffering from surface corrosion

• Failed or delaminated original coatings

• Leaks caused by laps, fixings or ageing surfaces

• Buildings requiring long-term refurbishment without replacement

• Industrial roofs exposed to high UV or weathering conditions

It is suitable for both commercial and industrial roof profiles.

Benefits of the Metalseal System

Metalseal offers several long-term advantages:

• Arrests and prevents metal roof corrosion

• Forms a seamless waterproof membrane

• Resistant to UV degradation and extreme weather

• Long-term lifespan with manufacturer-backed warranties

• Suitable for roofs with complex shapes and detailing

• Lower cost and disruption compared to roof replacement

Suitable Roof Types

Metalseal can be applied to:

• Trapezoidal and corrugated metal roof sheets

• Coated and uncoated steel surfaces

• Metal roofs with cut-edge corrosion (used with Liquasil Edgecoat)

• Industrial gutters and high-exposure areas

A roof survey confirms required preparation and compatible products.

System Longevity

Metalseal roof coating typically provides 15–25 years of service life depending on roof condition, exposure and installation quality.
Its silicone formulation offers long-term elasticity and resistance to weathering.

How Metalseal Prevents Roof Leaks

Metalseal provides waterproofing by:

• Encapsulating deteriorated metal roof surfaces

• Sealing laps, fixings and vulnerable joints

• Preventing further corrosion at exposed areas

• Forming an impermeable silicone barrier

It is particularly effective on roofs suffering from widespread UV or coating breakdown.

Installation Process

Survey: Condition assessment, corrosion identification and moisture analysis.
Preparation: Cleaning, rust treatment, joint sealing and optional Edgecoat treatment.
Application: Metalseal is applied to manufacturer-specified thickness for durability.
Completion: Final inspection and issuance of warranty.

FAQs

Is Metalseal suitable for all metal roofs?
Yes. It is engineered specifically for profiled metal roofing.

Can Metalseal stop leaks?
Yes. It seals joints, laps and surface defects that typically cause leaks.

How long does Metalseal last?
Most systems provide 15–25 years of performance.

Does installation cause downtime?
Minimal. Most work is carried out externally while operations continue.

Why Choose Total Cladding & Roofing?

We are approved installers of Liquasil systems and specialise in metal roof refurbishment.
Our team provides detailed surveys, technical specifications and manufacturer-backed warranties with minimal disruption to operational sites.

Request a Metalseal Roof Coating Survey

We provide nationwide surveys and technical specifications for Metalseal roof coating systems.
Our experts will assess your metal roof and provide a detailed refurbishment specification and quotation.

Contact us today to arrange your Metalseal roof coating survey.