Products
SLAB BLOCK MANUFACTURERS
Lbw Block And Lintel Manufacturers specialise in concrete block manufacturing services in Gauteng.
Products
- Concrete blocks 220m wide X 500m long (“B” Range)
- Close end blocks are supplied when required
- 2,5% extra blocks are supplied for breakages
BLOCK SIZES:
- B1 500 X 230 X220 @ 29 kg / Block
- B2 500 X 150 X 220 @ 16 kg / Block
- B3 500 X 110 X 220 @ 14 kg / Block
- B4 500 X 190 X 220 @ 18 kg / Block
- B5 500 X 285 X 220 @ 26 kg / Block
PRE-STRESSED RIBS:
- Normal size 150mm x 60mm , mass 21 kg/meter
- Manufactured to required strength
- Concrete lintel strength at transfer 25 Mpa, Ultimate 40 Mpa at 28 days.
- Manufactured from 40mpa ready-mix concrete
We make polystyrene blocks to any required size.
REINFORCING:
- Supply ref 100 weld mesh including 12% extra for overlaps.
- Supply all reinforcing as designed by engineers bending schedules (cut, bends, supply, pre-fix or fixing on site).
- (supply of all cross rib steel)
DESIGN PARAMETERS:
- Super imposed loads limited to reflection of span/ 250 on max 15mm
- Slab depth should not exceed span/ 20
- Insitu concrete 25 Mpa at 28 days.
- Temporary support at max 1500m on total cross rib length.
- Prestressed wire 4,0m @ 1700 Mpa yield stress.