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Preserving Your Asset
Exterior Restoration involves the repair and replacement of various elements of the exterior envelope of a Building: from the roof to the structural foundation. The exterior envelope of a building consists of numerous, integrated components including the roofing system, roof terraces, bulkheads, water tanks with supporting dunnage, skylights, parapet walls, roof railing, cornices and water tables, decorative and historic elements such as cast iron elements, stone and masonry units, curtain wall systems, window fenestration, balconies and terraces, fire escapes and sidewalks, entrance canopies and storefronts.
These systems and assemblies vary greatly in terms of materials and degree of technical sophistication and complexity. In addition, these systems must all respond to the forces of the exterior environment, such as thermal movement due to changes in temperature, freeze-thaw cycles, solar heat gain, ultraviolet degradation, atmosphere pollutants, seismic and wind forces as well as seasonal rain and snow cycles.
HLZA has extensive experience in investigation and renovation of various building envelopes and structural systems that date from the 1800's to the present. Our knowledgeable and professional staff can manage all of the requirements for a comprehensive exterior restoration. In addition our engineering team can resolve any structural issues that may arise during any phase of service or operations.
 Roof, Façade, Balconies:
The Excelsior,
303 East 57th St., NY
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 Façade & Roof Parapet:
Turtle Bay Towers,
310 East 46th St., NY
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 Façade & Parapet:
888 Park Avenue,
New York, NY
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 Façade & Balcony:
Park City Estates,
Rego Park, NY
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 Façade & Balcony:
Cadman Towers,
101 Clark Street, Bklyn
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 Façade & Balcony:
Parker Towers
Forest Hills, New York
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