SOPREMA ALSAN Liquid Roofing Systems for Flat Roof Waterproofing

SOPREMA ALSAN systems are widely used across domestic, commercial and industrial roofing applications due to their flexibility, strength and long-term performance.

SOPREMA Liquid Waterproofing Products We Can Supply

ALSAN PMMA Liquid Waterproofing Systems

ALSAN PMMA systems are fast-curing liquid waterproofing solutions designed for areas where speed of installation is critical. These systems are ideal for balconies, terraces and high-traffic areas.

• ALSAN 770 – Fast curing PMMA waterproofing resin
• ALSAN 870 RS – Rapid-setting liquid system
• Ideal for balconies, walkways and terraces
• Seamless and fully bonded waterproof membrane

ALSAN Polyurethane (PU) Liquid Systems

ALSAN PU systems provide a flexible liquid waterproofing solution for flat roofs and refurbishment projects. These systems are designed to accommodate movement while maintaining a watertight seal.

• ALSAN 500 – Polyurethane liquid waterproofing system
• ALSAN 410 – Flexible PU coating for flat roofs
• Suitable for overlay and refurbishment
• Durable and weather-resistant finish

ALSAN Liquid Detailing Systems

SOPREMA ALSAN systems are ideal for complex roof details and difficult areas where traditional systems may be harder to install.

• Perfect for penetrations, upstands and detailing
• Seamless application around complex shapes
• Fully bonded waterproof finish

ALSAN Reinforcement Systems

ALSAN systems use reinforcement fleece embedded within the liquid coating to improve strength and durability across the roof surface.

• ALSAN Fleece reinforcement systems
• Improves system strength and performance

ALSAN Primers and Preparation Products

SOPREMA primers are used to prepare a wide range of substrates, ensuring strong adhesion and long-term waterproofing performance.

• Primers for concrete, asphalt, metal and existing roofing systems
• Ensures correct system bonding

Key Product Benefits

• Seamless liquid-applied waterproofing systems
• Fast curing PMMA options available
• Suitable for refurbishment and overlay projects
• Highly flexible to accommodate movement
• Cold-applied systems with no hot works required
• Durable and long-lasting performance
• Suitable for domestic, commercial and industrial use

Where SOPREMA Liquid Systems Are Used

SOPREMA ALSAN liquid systems are suitable for a wide range of roofing and waterproofing applications.

• Flat roof extensions
• Balconies and terraces
• Walkways and podium decks
• Commercial and industrial roofs
• Refurbishment and overlay projects
• Complex roof detailing and penetrations

Why Choose SOPREMA ALSAN Systems?

Seamless Waterproofing

ALSAN systems create a fully bonded, joint-free membrane, helping reduce the risk of leaks and improve long-term roof performance.

Fast Installation Options

PMMA systems such as ALSAN 770 allow for rapid curing, making them ideal for time-sensitive projects.

Flexible and Durable

SOPREMA liquid systems are designed to accommodate building movement while maintaining a reliable waterproof barrier.

Ideal for Complex Roof Areas

The liquid application makes ALSAN systems perfect for detailing, penetrations and irregular roof shapes.

Why Choose SOPREMA from North West Roofing Supplies?

• Supply available on SOPREMA ALSAN liquid systems
• Full range of PMMA and PU waterproofing products
• Expert advice on choosing the right system
• Competitive trade pricing and bulk order support
• Nationwide delivery or local branch collection

SOPREMA Liquid Waterproofing Systems from North West Roofing Supplies

At North West Roofing Supplies, we supply roofing materials for trade professionals, contractors and domestic customers. If you are searching for SOPREMA liquid waterproofing systems, our team can help you source the right products for your project.

Whether you are installing a new flat roof, waterproofing a balcony or refurbishing an existing surface, SOPREMA ALSAN systems provide a flexible, seamless and reliable solution.

Get in Touch for SOPREMA Liquid Roofing Systems

Looking for SOPREMA ALSAN liquid waterproofing products? Call North West Roofing Supplies today, visit your nearest branch, or contact us for expert advice and competitive pricing.