We only produce pvc waterstop
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expansion joint pvc water stopperUse for construction joints and expansion jonts of sealed reinforced concrete,SHIELDER PVC waterstop strips shall be be placed in concrete t cross and cling to a gap,forming a sturdy and seamless impermeable barrier to prevent a liquid from flowing past, FUFUJING BRAND PVC Waterstop Application: Dams, Canals, Aquaducts, Large Reservoirs, Irrigation1