Description

Casali Dermabit 8m Mineral Felt Roofing Membrane BROOF(t4)

Dermabit® Mineral Felt is a high-performance elastoplastomeric waterproofing membrane manufactured using premium bitumen modified with advanced APAO polymers (Amorphous Poly Alpha Olefins). Engineered for durability and long-term performance, it is designed to meet the demands of both commercial and residential roofing applications.

Developed for single and multi-layer waterproofing systems, Dermabit® is ideal for large commercial and industrial roofs, residential buildings, insulated and non-insulated metal structures, mechanically fixed exposed roofing systems, photovoltaic roof installations, foundations, retaining walls, and large structural waterproofing projects.

The membrane is reinforced with high-strength polyester, delivering exceptional mechanical performance together with excellent dimensional stability for reliable long-term protection.

Finished with mineral self-protection in a range of colours, Dermabit® provides a durable, weather-resistant surface with an attractive professional finish.

Key Features & Benefits

• Advanced APAO polymer modified bitumen technology
• Excellent thermal operating range from -25°C to +150°C
• High elasticity and flexibility
• Outstanding resistance to atmospheric ageing
• Superior joint sealing performance
• Excellent adhesion to a wide variety of roofing decks
• High resistance to mechanical and thermal stress
• Polyester reinforcement for enhanced strength and stability
• Suitable for exposed waterproofing applications
• Mineral self-protected finish for long-term durability
• BROOF(t4)
• 8m Roll
• 25 rolls per pallet

Applications

• Commercial and industrial roofing
• Residential roofing systems
• Metal roof structures with or without insulation
• Mechanically fixed exposed roofing systems
• Roofs with photovoltaic panels
• Foundations and retaining walls
• Large-scale structural waterproofing

Recommended Roofing System

Casali Dermabit 4.5mm Mineral Cap Sheet is commonly paired with the Casali Stripstick or Casali 3mm Polyester Sanded Base Layer to create a premium two-layer waterproofing system offering exceptional durability and fire performance.

Trusted Worldwide

Dermabit® membranes have been used successfully for more than 40 years across over 30 countries worldwide and are certified by internationally recognised institutes including BBA, ITC, and BRANZ, providing assurance of quality, reliability, and performance.

Casali Dermabit Technical Data Sheet