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

Christmas holiday lighting installation servicing  Long Island NY Gappsi services the following territories on Long island NY. for both Suffolk County and Nassau County, Glen Cove, Hempstead, North-Hempstead, Oyster Bay, Babylon, Huntington, Islip, Smithtown, Brookhaven,  Southampton, Riverhead, East Hampton, Southold, Eastern Long-Island and Western long-Island Christmas holiday lighting installation company servicing both Nassau and Suffolk

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

This project was constructed by Gappsi in Coram, NY. Granite City Stone Ridge pavers with inlays of marble blend for the apron and borders were installed for this residential driveway. The first floor of the house and stoop were veneered with Gappsi imported Fiorito Travertine. The stoop and railings are made of PVC and 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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