
7 cm lightweight concrete block · two-wall
- Size
- 40 × 20 × 7 cm
- Approx. weight
- 3.8 kg
- Sound performance
- Qualitative — confirm for project
Compare dimensions, weight and intended use across our current lightweight and heavyweight range.
Select the wall type, available thickness and main project priority to receive an initial catalog recommendation.

Internal walls and building partitions
This is an initial guide, not an engineering approval. Final selection must follow drawings, wall details and project requirements.
Products are grouped by block type. Open any model for full technical details.
7, 10, 15 and 20 cm models for non-load-bearing internal and perimeter walls.






20 cm heavyweight block for yards, boundaries and project-appropriate external masonry.

Select up to three models to compare technical data, wall mass and intended applications directly.
ZB-102040Internal walls and building partitions
ZB-152040-4Internal and external walls prioritising thermal and acoustic performance
ZB-202040-4Perimeter walls prioritising thermal and acoustic performance
Values are based on the current ZAB Beton technical catalog. Product selection remains subject to project drawings, wall details, site conditions and the responsible engineer’s approval.