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

Gappsi newest addition to the cleaning and sealing division. Gappsi provides patios, driveways, walkways, steps and retaining walls restoration. We will bring your outdoor floors back to look brand new again, our state of the art steam washing system along with our exclusive sealers and cleaning products along with our talented and well trained personal

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

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

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

The driveway installation started with the excavation of existing asphalt and sub base. New concrete base with fiber mesh was installed with Amagansett granite pavers is laid over a thin layer of graded sand. Stone was selected from the Gappsi natural stone collection. Jumbo Belgian block was installed for the street curb and driveway entrance. The

Nicolock oyster ridge stone pavers being sealed in Patchogue NY 11772. The sealing process begins with pressure washing the entire patio, removing all dirt/debris from the stone surface and in between the joints. Next, Nexgel Techniseal synthetic sand is applied in between the pavers joints and vibrated with a mechanical plate compactor. The plate compactor

Looking to restore your pavers on your driveway, walkway, stoops, or backyard and pool patios, Gappsi provides cleaning & sealing of paving stones for both nassau & suffolk county long island, NY. In the following video you can view a step by step process of cleaning & sealing paving stones. Starting with pressure washing of

Cleaning & Sealing on Long Island by Gappsi This private residence located on Long Island, NY  has a backyard paving stone patio that had years of built-up dirt & grime. To preserve and maintain your stone patio’s natural beauty, Gappsi offers cleaning & power-washing services. In addition to providing cleaning & sealing services to restore your natural stones to their