Outdoor cooking island built with Scogli Di Mare limestone veneers in Saint James Suffolk County, Long Island NY. by Gappsi. Scogli Di Mare Limestone veneers are rock faced and tumbled, and during this process sea shells fossils are exposed to the surface. The counter top is also Scogli Di Mare Limestone, but with a matt

Gappsi Inc provides professional cleaning and sealing services in Suffolk and Nassau County, Long Island, NY. With our state of the art equipment and top of the line products, we clean patios, walkways, walls, and driveways without damaging the pavers. Our power washer consists of 180 degrees of low pressure steam. Our polymeric sand is

Swimming pool and Retaining wall Built by Gappsi in Woodbury NY, with Travertine patio and coping. Refurbished with the cleaning and sealing process. Using low pressure hot water the paver’s surface gets clean uniformly with no impact of wear on the stone surface. The joints in between the pavers got filled with high quality polymeric

Cleaning and sealing limestone driveway pavers in Roslyn NY. Stones were pressure washed and joints filled with polymeric sand, vibrated wit rolling vibratory plates. Gappsi Exclusive sealer was applied to expose the color and details of the limestone pavers surface. Nassau County Long Island NY Stone Patios and Driveways Cleaning and Sealing Company

Bocce Ball court built in east Hampton NY with pressure treated lumber and then stained with mahogany color. The surface base of the court is crushed sea shells. The perfect setting of a bocce court in the middle of a vineyard. Bocce Ball Designer – Contractor East Hampton NY

This putting green was designed by Giuseppe Abbrancati, with a custom design layout that incorporates 9 holes, a sand bunker and four island of White River rocks. Each island uniquely decorated with rocks and garden ornaments. The surface of the putting green is Go-green synthetic turf Platinum putt with ACADIA 70 oz Pile Height 1-3/4″

A white powder that bleeds trough the cement, grout, bricks and concrete walls and floors. That white residue is called efflorescence. it is the lime and calcium that gets brought to the surface by way or evaporation as the stones dry the water rises to the top and so is the white powder from the

It is important to wait at least a year before sealing concrete pavers from the date of installation. Concrete pavers have to cure and must go through a four-season cycle of weathering. This allows most of the lime from the paver’s surface to come out. After the cleaning and pressure washing process, all the lime

Polymeric sand is best to use to fill the joints in between pavers. High quality polymeric sand will not leave any stains on the surface. Gappsi vibrates the pavers while sweeping which allows the send to fill the joints tight and also help the sand harden. Sweeping the excess sand off the pavers before wetting

Yes! All concrete and paver surfaces should be cleaned before applying any sealer coating. It is very important that the surface is clean because any stains or materials that get trapped under the sealer will not be able to be cleaned after it’s sealed. Pressure washing pavers is just as important as sealing it. Using

Suffolk County 27543-H1 9-10-99 to present, 15435-H1 7-1-88 to 7-1-97  Nassau County H2209100000  Southampton L002384  NYC and The Five Boroughs 1321423

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