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General Construction Foundation

65 Central Park West

New York, USA

The property at 65 Central Park West underwent basement waterproofing rehabilitation to address water intrusion through foundation walls constructed more than one hundred years ago. The scope focused on negative side waterproofing of historic brick foundation walls where exterior access was not feasible. 

Project Sheet
Project Sheet PDF
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Due to the age of the structure and the condition of the masonry, careful detailing was required at slab to wall interfaces and existing wall penetrations. A surface applied Xypex crystalline system was selected to provide interior waterproofing while maintaining the breathability of the brick substrate.

Tribute Restoration completed the work using trowel applied methods. Approximately 80 bags of Xypex Megamix II were used to restore deteriorated masonry surfaces. Crack repairs and localized defect sealing were completed using Xypex Patch’n Plug, followed by application of Xypex Concentrate to provide crystalline waterproofing protection across the treated wall areas. 

Xypex provided method statements outlining correct surface preparation and application procedures for brick substrates and slab-to-wall transitions. The completed system delivered effective negative side waterproofing while preserving the integrity of the historic foundation and extending the service life of the structure without requiring exterior excavation.

Overview

Market Segment

General Construction

Owner

65 Central Park West

Contractor

Tribute Restoration

Engineer/Architect

Rimkus

Location

New York, New York, USA

PRODUCTS USED
Concentrate
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Applied as a cementitious slurry to the surface of existing above or below-grade structures to waterproof and protect the concrete against high hydrostatic pressure and aggressive environments.

Patch'n Plug
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Formulated as a crystalline, fast-setting hydraulic cement compound for concrete patching and repair. It stops flowing water in seconds and is used to seal cracks, fill tie-holes and other defects in concrete.