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The Thermalite Aircrete Shield block – 100mm is a lightweight, high-performance autoclaved aerated concrete (AAC) block designed for a wide range of construction applications, combining excellent thermal and acoustic insulation with reliable strength and durability. Its closed micro-cellular structure delivers effective insulation and moisture resistance while remaining easy to handle and lay on site.
Ideal for external walls, internal partitions, separating walls, and even below-ground applications (above DPC), this 100mm Shield block helps improve energy efficiency, reduce heat loss and meet modern U-value requirements with less effort.
100mm lightweight aircrete block with excellent insulation and handling properties
Versatile use for external walls, internal partitions, separating walls, and foundations above DPC
Closed micro-cellular structure for high thermal performance and sound insulation
Lightweight and easy to cut, chase and lay with standard tools
Good moisture resistance suited to a variety of building conditions
Pack size: 60 blocks — ideal for smaller projects or controlled site usage
External wall construction
Internal partition walls
Separating and party walls
Foundations above damp proof course
Energy-efficient housing and commercial developments
Block Type: AAC Thermalite Shield Block
Material: Autoclaved Aerated Concrete (AAC)
Dimensions (L × W × H): 440 × 100 × 215 mm
Pack Size: 60 units
Compressive Strength: ~3.6 N/mm²
Dry Density: ~600 kg/m³
Thermal Conductivity (λ Design): ~0.15 W/m·K
Fire Performance: Aircrete is non-combustible
Workability: Easily sawn, cut and chased on site
Standards: BS EN 771-4 compliant
We supply high-quality thermal block solutions that balance performance, ease of build, and on-site productivity. The 100mm Thermalite Aircrete Shield block is designed to support energy-efficient walling with excellent insulation properties and strong, consistent performance — ideal for both trade professionals and self-build projects.