Rapid Crete
Ideal for waterproofing masonry and concrete surfaces. Cement-based waterproof coating. Just add water! No additives needed! Suitable for above grade or below grade use. Suitable for brush or spray application. Can be used in ponds, please allow 24 hours curing time before refilling pond. Fill and empty pond twice to remove alkali & dust particles before adding any fish.
Available in 50lb bags.