What is stamped concrete, an embossed pattern?
Poured onsite or precast? What is the original sealer material? When was it applied? Is it in sunlight? Do you know the history? If the sealer was applied before the concrete was ~fully cured, alkalinity in the concrete may have attacked the sealer. Was it professionally applied, and how was the concrete pretreated (if at all)? I presume that groundwater is not a problem in Carlsbad please verify. Ken Vlach – Goleta, California +++ I have a similar problem. I want to remove a water based sealer from brick. Especially, the sealer was Valspar Stone Masonry Darkener and Sealer. (I was trying to match some darker brick, but this product only slightly darken.) The ingredients in the sealer are: 1.water 2.acrylic copolymer 3.ester-alcohol 4.rhtylene colycol 5.disbutyl phthalate. The sealer was applied to the brick about a week ago (one coat). Thank you, Vance Jones financial – San Angelo, Texas, USA +++++ Oops, I applied sealer over my concrete acid stain before the color was right. We are h
