Forterra 100mm Fenlite Medium Density Paint Grade Concrete Lightweight Block 7.3N

Forterra 100mm Fenlite Medium Density Paint Grade Concrete Lightweight Block 7.3N

The Forterra 100mm Fenlite Medium Density Paint Grade Block (7.3N) is designed to provide strength, ease of handling, and a high-quality finish for a wide range of walling applications. With a compressive strength of 7.3N/mm², this block is suitable for load-bearing internal walls and cavity wall construction above DPC, making it a reliable choice for residential, commercial, and refurbishment projects.

⬇️TechData

Key Features of Forterra 100mm Fenlite Medium Density Paint Grade Concrete Lightweight Block 7.3N:

• Sold as Each


• Face Size: 440x215mm


• Pack quantity size: 90 blocks


• 7.3N/mm² Compressive Strength – suitable for load-bearing internal wall construction


• Lightweight Medium-Density Design – approx. 17.4kg per block for easier lifting, cutting, and faster installation


• Gross Dry Density: approx. 1450 kg/m³


• Thermal Conductivity (Protected): 0.58 W/m·K – supports energy-efficient wall build-ups


• Paint-Grade Surface – suitable for direct decorating, painting, or a light skim coat (not intended for render)

Suitable for:

• Internal partitions


• Separating walls


• Cavity walls (internal & external leaf above DPC)


• Solid external walls above DPC (with a suitable protective finish) - See ⬇️TechData


• Provides better acoustic and thermal performance than standard dense blocks


• Lighter handling reduces labour fatigue and speeds up on-site installation

Not suitable for: External leaf below DPC/ Solid external walls below DPC/ Beam & block floor infill /Rendering (paint-grade only, not designed for render)