(MAIN) Stackable Bolsters

Concrete Bolsters

The new Polylok Concrete Bolsters allows you more flexibility when stacking rebar. Our Concrete Bolsters are available in 44″ lengths and can accommodate 3/4″, 1″, 1-1/4″, 1-1/2″, 1-3/4″, 2″, 2-1/4″, 2-1/2″, 2-3/4″, 3″, and now 4″ & 5″ heights. Our bolsters can easily be fastened together for longer lengths. Unlike any Concrete Bolsters on the market, the Polylok Concrete Bolsters can be stacked into a multi-level configuration, meeting specific height requirements. We are adding another quality product to our already extensive line of top quality rebar spacers.

Product Dimensions:
  • Connection points are designed to eliminate possible separation or buckling
  • Ends can be connected for additional lengths or for a round configuration
  • Stacking design allows for multiple rebar levels
  • Ideal for pouring precast, garage parking decks, tilt walls and other structures requiring additional rebar reinforcement
  • Meets all requirements and qualifies as a CRSI Class 1 Bar Support
Rebar Spacer Specifications.pdf
44inch_Stacking_Slab_Bolsters_Sizes.pdf
3063-L 44'' BOLSTER SERIES_0.pdf

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