Lightweight, Sustainable, and Thermally Efficient Coursing Blocks

The Mannok Super B3 Aircrete Coursing Block is designed to deliver strong, energy-efficient performance in external walls, window reveals, and infill applications. Its lightweight AAC construction makes handling and installation quick and easy, while supporting sustainable building practices.

Features:

• Made from Autoclaved Aerated Concrete (AAC) for consistent quality
• Excellent thermal insulation – helps achieve low U-values
• Lightweight design – reduces labour and speeds up build times
• 2.9 N/mm² compressive strength – ideal for detailed external wall work
• Contains up to 80% recycled materials – eco-friendly choice
• A+ BRE Green Guide rating – supports sustainable construction

Perfect For:

• External wall detailing, window and door reveals
• New builds, extensions, and energy-efficient renovations
• Builders and developers focused on sustainability and performance

Why Choose Mannok Super B3 Aircrete Blocks?
These blocks combine durability, thermal efficiency, and environmental responsibility to help you build smarter and greener.