RESTORATION EXPERTS
Plaza & Vault
Restoration Overview
Harbor Waterproofing specializes in the complex restoration of urban plazas and street-level vaults. From structural slab repairs to high-performance finishes, we ensure total watertightness and long-term protection for occupied subterranean spaces across NYC.
01. Site Assessment & Analysis
03. Precision Execution & Finish
We execute a technical survey of the plaza slab and vault structural conditions, mapping degradation and locating root causes of watertightness failure.
Master application of drainage layers and protective boards, topped with architectural finishes including pavers, planters, and high-performance amenity deck systems.
02. Targeted Waterproofing Design
Engineered plans for multi-layered protection, utilizing high-performance hot-applied asphalt or fluid membranes to seal and protect occupied sub-grade spaces.
The Value of Restoration
MAXIMUM WATERTIGHTNESS
Our restoration process utilizes high-performance membranes to ensure an impermeable seal, preventing water ingress and structural decay.
LONG-TERM PERFORMANCE
We extend the lifespan of structural slabs through advanced material application, designed to withstand NYC's harsh freeze-thaw cycles.
SAFETY & COMPLIANCE
SUB-GRADE PROTECTION
Our systems prevent leaks from damaging sub-grade spaces, securing the building's most valuable commercial or residential real estate below street level.
Restoration eliminates tripping hazards and uneven surfaces, restoring sidewalk vaults and amenity decks to full structural stability.
Restoration Typologies & Project Outcomes
Defining elite restoration for NYC plaza and vault systems. Our focus remains on subterranean protection, structural integrity, and superior architectural finishes from the structural slab up.
Active Sidewalks
Structural slab restoration with integrated waterproofing and high-performance pedestrian finishes.
Street Vaults
Comprehensive structural restoration for vaults extending beneath municipal sidewalks and right-of-ways.
Amenity Decks
Advanced waterproofing membranes protecting critical occupied spaces beneath residential and commercial terraces.
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"The structural precision Harbor brought to our plaza restoration was unmatched. From slab to finish, the watertight integrity has been flawless."
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"Harbor transformed our aging amenity deck. Their team managed the complex finishes while ensuring the occupied spaces below remained completely dry."
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"Their expertise in vault restoration saved us from long-term liability. High-quality work that stands up to heavy urban foot traffic."
BUILDING MANAGER, QUEENS
OPERATIONS DIRECTOR, MANHATTAN
PROPERTY OWNER, BROOKLYN
Ready to Protect Your Asset?
Secure your structure’s long-term performance and watertight integrity with NYC’s veteran plaza and vault restoration experts.