Blocks / FD-202
Roof block 40×20×20
A roof block for joist-and-block floors at 20 cm depth. It sits between the joists as permanent formwork for the topping, and cuts the floor weight appreciably against a solid concrete slab.
- Dimensions
- 20 × 20 × 40 cm
- Average weight
- 10.5 kg
- Laid face dimensions
- 0.4 × 0.2 m
- Wall thickness produced
- 20 cm
A roof block for joist-and-block floors at 20 cm depth. It sits between the joists as permanent formwork for the topping, and cuts the floor weight appreciably against a solid concrete slab.
- Dimensions
- 20 × 20 × 40 cm
- Average weight
- 10.5 kg
- Laid face dimensions
- 0.4 × 0.2 m
- Wall thickness produced
- 20 cm
- Application
- Joist-and-block roof
- Joist-and-block roof
How many of this product will your project need?
Approximate estimate
3,210
units
240 m² of floor · This is an initial estimate from the building dimensions and does not replace site measurement.


