Thermalite Aircrete Trenchblocks

Efficient, High-Performance Blocks for Concealed Structural Applications

Engineered for speed and simplicity, Thermalite Aircrete Trenchblocks feature an innovative tongue and groove system that allows for quick, seamless installation. Ideal for concealed uses, these blocks are a cost-effective alternative to traditional cavity walls with heavy concrete brick or block infill, while providing excellent thermal performance to help you meet stringent U-value targets effortlessly.

Features & Benefits

• Micro-Cellular Structure: Contains tiny trapped air pockets for superior insulation performance.
• Exceptional Thermal & Sound Insulation: Enhances building comfort and energy efficiency.
• Lightweight Design: Easier to handle and install, reducing labor time and effort.
• High Compressive Strength: Provides durable and reliable structural support.
• Fire Resistant: Complies with fire safety regulations for added protection.
• Tongue and Groove System: Enables quick, secure, and accurate fitting on-site.
• Perfect for Concealed Applications: Ideal where blocks are hidden within the structure.
• Standards Compliant: Manufactured to meet rigorous British Standards.
• Environmentally Friendly: Helps reduce CO₂ emissions and supports sustainable building.
• Versatile Replacement: Suitable for replacing cavity walls with heavy concrete brick or block infill.

Specification

• Weight: 17.50 kg

• Manufacturer Code: SGAA300A

• Brand: Forterra

• Range: Thermalite

• Height: 440mm

• Length: 215mm

• Width: 300mm

Why Choose Thermalite Aircrete Trenchblocks?

Designed for builders and contractors seeking efficiency without compromising quality, Thermalite Trenchblocks provide excellent insulation, fire resistance, and structural integrity—all while simplifying installation. Their environmental credentials and compliance with British Standards make them a smart, sustainable choice for modern construction projects.