Patent attributes
The present disclosure relates to a slab bolster upper for supporting rebars in a reinforced concrete structure. The slab bolster upper comprises an elongated base defining a lower surface, an upper surface for supporting the rebars, a first edge and a second edge opposite the first edge, voids formed through the elongated base to facilitate free flow of concrete therethrough and around the elongated base, a first connexion integrally formed about the first edge of the elongated base and a second connexion integrally formed about the second edge of the elongated base. The first and second connexions are configured to securely engage with corresponding first and second connexions of adjacent slab bolster uppers for interconnecting a plurality of slab bolster uppers together.