Message from customer Great service. Excellent workers. Very honest and professional. I love my pool. It is truly beautiful. Thank you. Harold F. Gappsi provides designs and installations of gunite swimming pools in Lloyd Harbor and Huntington, in Long Island NY. Gappsi also provides masonry services for pool copings and patios.

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

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

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

Latest Gappsi Project

Paving stone Flag Design By Gappsi

Tuesday, 28 November 2017 by

Paving stone flag

Masonry Contractor Setauket Long Island NY Gappsi Designed and installed this Nicolock driveway in Setauket NY 11733, 11777, 11790, using combinations 6×6 and 6×9 rustico craborchiard tumbled stones. Installation was done on oversized rca and fine sand, for more information’s about driveways pavers installations and designs , please call 631-543-1177 or visit Gappsi.com for more

Landscape design, construction of masonry, swimming pool & landscape in Nissequogue NY, 11780                           Letter from customer To GAPPSI, “Giuseppe Abbrancati I can’t tell you enough how pleased we are with the pool, patio, fireplace and retaining wall Gappsi built. The difference in our

Unique, Attractive & Functional T-Shape Pool Design by Gappsi T shaped swimming pool designed by Giuseppe Abbrancati and built by Gappsi in Smithtown NY, 11787. This swimming pool is a very special pool, not only it’s beautiful, but it is also very functional and energy efficient. The layout of the backyard incorporates raised and pool

Home Remodeling Company Commack NY This house was built in Commack NY by Gappsi Inc. A small cape style home was demolished, and new foundation for the extension was added to the existing Basement to accommodate the new room’s additions to build this new 5000 sq ft colonial home. The house was built with luxury

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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