Toplite Standard
This is a great general-purpose wall product ideal for everything from inner leaves and solid walls to internal partitions and walls below DPC. We also recommend it for separating walls, including ones conforming to Robust Detail E-WM-6. Below ground, you can use Toplite Standard in sulfate soil conditions not exceeding DS-3.
Technical properties
- Manufactured to BS EN 771-4
- Mean compressive strength: 3.6N/mm²
- Dry density: 630kg/m³
- Thermal conductivity (at 3% moisture content): 0.15W/mK
- Reaction to fire: Class A1
- Typical airtightness: 100mm blocks - all grades, no finish 0.12m³/(h.m²) at 50 PA
- Block size: 440mm long x 75-300mm (various widths) x 215mm high
Sizes & weights for Standard (3.6N/mm²)
| Block width (mm) | 75 | 90 | 100 | 125 | 140 | 150 | 190 | 200 | 215 |
| Unit weight (kg) | 4.6 | 5.5 | 6.1 | 7.7 | 8.6 | 9.2 | 11.7 | 12.3 | 13.2 |
Unit weights are approximate and based on 3% moisture content
Tolerance to BS EN 771-4: Length +3/-5mm, Height +3/-5mm, Thickness +2/-2mm
Greater thicknesses are available in Toplite Foundation
Find out more
Download the
Topblock Toplite Aircrete Blocks Brochure (pdf, 903kb)
See all Toplite applications


