The open-frame design of an HDPE Duct Spacer features calculated voids and smooth contours that allow liquid concrete, aggregate, or slurry to flow unhindered through the duct bank. Proper fluid movement prevents empty air pockets or honeycomb voids from forming underneath and around the conduit pipes during the pour. By facilitating complete material distribution, the spacer ensures that the surrounding encasement achieves full structural density, creating a solid, protective monolith around all utility lines.
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