The Tuff Plus SB Slab Bolster with Runner that is used to provide accurate cover for lower mats of steel reinforcement in concrete elements. Suitable for a wide range of uses, the Tuff Plus SB Slab Bolster with Runner can be used in Tilt-up concrete construction, Precast concrete construction, post tensioned concrete and other cast-in-place applications. The Tuff Plus SB, all plastic slab bolster, may also be used as side form spacers in vertical formwork.
The Tuff Plus SB Slab Bolster with Runner is fabricated from fiber filled gray material designed to blend with the concrete surface, if exposed. Top bar corrugations are placed on 1” centers to visually aid rebar placement. The Tuff Plus SB Slab Bolster with Runner is manufactured in true 60” lengths, eliminating assembly and expedites field placement.