Triangular-shaped, polymer-coated foam support blocks (72″L x 16″ W x 6″ H) are used with rebar (not included) to provide sidewall structure. Molded-in slots in the top of foam blocks hold rebar-secures material in place.
- Molded-in slots in the top of foam blocks hold rebar-secures material in place.
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This item is Made in USA
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