Long Island Home Improvement Company We welcome all our clients and friends to visit our newly remodeled Gappsi Showroom. We have a unique and exclusive line of natural stone products for pool copings, retaining walls, driveways and patios. This includes Porcelain, Sandstone, Travertine, Marble, Lava Stone, Limestone, Granite, and other manufactured paving stones. For your

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

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

A white powder that bleeds trough the cement, grout, bricks and concrete walls and floors. That white residue is called efflorescence. it is the lime and calcium that gets brought to the surface by way or evaporation as the stones dry the water rises to the top and so is the white powder from the

Backyard Designer Contractor Smithtown NY 11787 Gappsi designed and installed this backyard from the initial design concept to the installation of the swimming pool, pool coping and travertine patio, retaining walls, steps, and sitting wall to the pool house/bar including landscaping. To learn more about Gappsi designs and installation services visit www.gappsi.com or call 631-543-1177

 Upscale Landscape with Masonry Nicolock Pavers and Walls Installation Tumbled Nicolock paving stones installed for driveway, backyard, and pool patio in Melville NY. A 3-tier retaining Nicolock firma retaining wall was constructed to expand the backyard. A combination of beige, brown and salmon colors were selected to compliment the Spanish-colonial style house. For more Gappsi

This 20′ by 50′ gunite swimming pool was built in Cold Spring Harbor Long Island, NY. This gunite swimming pool has a double Roman end shape with a raised spillover spa along the 50′ side. Steps are incorporated on each side of the spa for entering and exiting the pool. A full-width sun deck is