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

Granite driveway Designed and installed by Gappsi in Mount Sinai Long Island NY, with 6×9 granite pavers flamed and tumbled finished. Installation was done over poured concrete base and one inch of fine sand. This driveway was recently cleaned re-sanded and sealed with high quality Gappsi sealer Granite Driveway Contractor Mont Sinai Long Island NY

Backyard Pool Patio Contractor Westbury Long Island NY Backyard pool patio installed by Gappsi in Westbury NY with natural stone pavers. Scogli di mare limestone pool coping, 6×9 Melfi limestone random pattern and inlays of 6×9 scogli di mare pavers. Stoop and cocking island veneer were veneered with Fiorito travertine. The all pool and house

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″

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

Schedule an Appointment with a Gappsi Representative. Paving stone driveway installed by Gappsi in 2008, got refurbished with the cleaning and sealing process. Using low pressure hot water the pavers 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

Schedule an appointment with a Gappsi Representative. Putting green designed and built by Gappsi with Platinum heat maxx synthetic Turf for the putting green area and emerald green for the remaining of the putting green area. A sand bunker was built and boulders were also used to decorate the berm

Granite Pavers Driveway Contractor Smithtown NY This driveway was constructed with a 10 inch RCA base and granite pavers were installed on one inch of fine sand. The paving stone sizes were 6”x 9”, with a flamed and tumbled texture finish. These granite pavers are 1-1/4” thick and can be used for pedestrian and vehicular

Natural stone swimming pool coping and patio built by Gappsi in Huntington NY with Scogli di Mare limestone; selected from the Gappsi natural stone collection. The sizes of the Scogli di Mare pavers are randomly mixed in rectangular and square sizes; the Scogli di Mare texture finish is flames and tumbled. The pavers surface consist

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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