Timbertech supplier and installer located in Smithtown, Long Island NY. We service both Nassau and Suffolk County, and we provide design ideas, suggestions with color selections, supply and delivery of Timbertech material, and full installation and warranty. Gappsi has been working with Timbertech products since they first came out. If you are in the market

PVC Pergolas and railings installer company on Long Island NY, servicing both Nassau and Suffolk County. Gappsi is a designer and builder of products. From Designing to complete construction, Gappsi will provide a professional finished project. In this particular installation, two separate pergolas are built over a timber-tech deck, and a brand new PVC railing

Marble pavers and copings installed in Northport NY 11768.The project was designed by Giuseppe Abbrancati and installation was done by Gappsi professionals. This upscale project includes a very classy and comfortable pool house with many amenities along with marble pavers and copings for inside the pool house floor and window sills. A 25 x 45

This project was designed by Giuseppe Abbrancati and installed by Gappsi for a private residence in Southampton, NY. The oversized lazy L-shaped gunite swimming pool is built in line with the house’s diagonal angles, complementing the modern look of the multi-level home. Each side of the swimming pool makes for perfect view from all the

Gunite Swimming Pool & Backyard Design in Merrick NY This small backyard was designed by Giuseppe Abbrancati and installed by Gappsi in Merrick, Long Island NY in 2018 on a spectacular waterfront property. The layout incorporates a gunite swimming pool with a spa, corner stairs, benches, and sheer descent water features that were installed along

Letter Form a Client We hired Gappsi this summer to do a complete backyard project. We chose a free form in-ground vinyl pool, travertine patio, composite deck and full landscaping. From the moment we met Giuseppe to go over initial designs, the process was great. He helped us come up with a design that fits

Gappsi provides holiday lighting, designing, and installation services for residential and commercial spaces in both Nassau and Suffolk County on Long Island, NY. From supplying to installation, we provide the highest quality products and professional services on all lighting systems for landscaping, ornaments, garlands, gutter trims and pathways, driveway lighting, deck lighting, and backyard installations.


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This was a 1960’s kitchen that was in desperate need of a makeover. We closed up the back door and put in a smaller window to create a functional “L” shaped kitchen. The Island seats 3, provides additional storage and includes a microwave. The addition of a sliding door in the adjacent dining room allows

The construction of the vinyl swimming pool concrete walls consisted of assembling aluminum molds while after the walls are then poured, reinforced with rebar. The pool floor base was made with dry-pack sand and cement materials to harden and avoided foot prints. One large light was installed in the deep end and one small light

Throw Back Time 1997 Award Presented To Giuseppe Abbrancati Gappsi, Upscale project built in Islip, NY uses 60mm Roma I and Roma II stones, both with rounded edges, plus 6-inch square Rustico pavers. The stones are placed in a running bond pattern, beginning at the driveway apron and continuing around each circle. This creates the

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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