Fireplace built in Saint James, NY by Gappsi. Custom designed with double mental and arched large fireplace hart, this outdoor fireplace was built with cement blocks and the fire chamber lined with firebricks. The outside was done with scogli di mare limestone tumbled veneers, and 2 inch coping stones for the metals and caps. The

Vinyl swimming pool built in Smithtown, NY by Gappsi. This pool was specially designed with 10″ concrete walls and a footprint-free bottom. The multi-level patio was designed to work alongside the natural contour and slope of the hill. The retaining walls and steps were built with Nicolock Oyster Blend. The pool coping and patio are

Nicolock Verona wall system used to build a cooking island in Smithtown NY by Gappsi. Combination of adobe blend and Granite City for walls and Stoneridge oyster blend for the patio. With an inlay of charcoal Holland stone. To complete the island Twin Eagle appliances were used and black onyx granite counter top. Nicolock Contractor

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

Backyard designed by Giuseppe Abbrancati, and built by Gappsi in Commack Long island NY. Starting with the installation of a free-formed swimming pool, natural waterfall cooking island outdoor kitchen and a large patio built with golden brown Nicolock rustico pavers. The outdoor kitchen walls were constructed with Nicolock mini colonial walls oyster blend and all

Masonry structure sign donated and built by Gappsi for Arrowhead Elementary School Setauket Long Island NY. Constructed with Hanover Walls and Nicolock caps. Landscape & Masonry Designer Setauket NY

Vinyl liner swimming pool with concrete walls built in Centerport NY by Gappsi. This Hampton style setting is on a waterfront property, the swimming pool was built with a safety auto-cover and 18 inches bluestone coping. Centerport NY Swimming Pool & Masonry Contractor

Bocce Ball court built with pressure treated lumber side walls and synthetic turf floor Nassau Long island NY by Gappsi. Bocce Ball Court Contractor Designer installer Nassau County NY

Cooking Island and raised bar was Designed and built by Gappsi in Dix Hills NY. The semi-circle design of these out door kitchen incorporates many appliances, from the bar sink, grill, smoker, oven, refrigerator and a breakfast station and many access doors for storage areas. Walls were constructed of steel studs and cement blocks and

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

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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