MB Tuff Plus Slab Bolster with Runner

MB Tuff Plus Slab Bolsters are used to provide accurate cover for upper mats of steel reinforcement in concrete elements and can be used in tilt-up concrete construction, precast concrete construction, post tensioned concrete and other cast-in-place applications. This all-plastic slab bolster may also be used as side form spacers in vertical formwork.

• Available in heights from ¾ inch to 3 inches in ¼-inch increments
• Molded in “concrete grey” to blend with concrete surface
• 1-inch corrugations along top bar to visually aid rebar placement
• Manufactured in standard 5-foot lengths
• Robust "snap locks" on each end of the support allow sections to be connected to make greater lengths of bolster as needed