undersealing


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subsealing

The placing of a waterproof material under an existing pavement, or the like, to prevent the flow of water through the pavement and to fill the voids under the pavement.
References in periodicals archive ?
Tenders are invited for The work consist of leveling or undersealing portland cement concrete pavements and bridge approach slabs.
Roy Mathis, URETEK engineer, explains, "We call the void filling stage, 'undersealing.' This important stage allows us to trust the adjacent existing panels to handle-the new load received from the stitches connecting the precast panels."
Tenders are invited for Work includes mobilization, barricades, signs and traffic handling, 50,000 LB of raising and undersealing concrete slabs, portable changeable message sign.