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 haze-free and environmentally friendly, and the urethane water-based sealer protects the surface of any pavers from future weathering and fading.
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Paving Stone Cleaning & Sealer Company Woodbury Long Island NY
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 sand and vibrated with heavy mechanical plate compactor with rubber rolling system to prevent pavers from getting scratched or damaged. Then sealed with high quality urethane sealer To learn more about Gappsi products, please contact us at 631-543-1177 or visit our web site at www.gappsi.com
Swimming Pool Contractor Woodbury NY
Granite Driveway Supplier Installer company Mount Sinai NY
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 Mount 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 patio were cleaned with hot water low pressure washing, joints were filled with haze free polymeric sand and sealed with urethane sealer.
Putting Green Built in Manorville NY by Gappsi.
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″ for the perimeter fringe. At the center of the putting green a circle design of a limestone pavers was installed for future sitting area.