LESA's Concrete Block and Bar Spacers are used to ensure that the specified cover to the reinforcement in concrete structures and structural elements is maintained both before and during concreting.
Features and Benefits
- Compliant with the most demanding clauses of NZS2425:2015, Bar Chairs in Reinforced Concrete Extruded Fibre Concrete - the optimum material combination with insitu concrete.
- High compressive strength - no deformation in heat or cold, concrete cover accurately maintained.
- Ideal for impermeable concrete - no water path between the spacer and concrete to the reinforcing.
- Low porosity, improving durability of the structure
- Spacers remain in position during formwork erection and concreting.
