Call: (718) 313-8233Goldenstone786.inc@gmail.com30+ Years ExperienceLicensed & Insured

Roof Waterproofing

Providing high-performance thermal and moisture protection for your building’s most critical surface. From flat commercial roofs to residential terraces, we deploy advanced waterproofing technologies that eliminate leaks, improve energy efficiency, and extend the lifecycle of your roofing assembly.

Brick apartment building roofline in New York City

Why Choose Golden Stone Construction

A roof is more than just a cover; it is a complex system designed to shed water and resist extreme environmental stress. Constant exposure to UV radiation, thermal expansion, and ponding water can degrade traditional roofing materials, leading to membrane punctures, seam failures, and internal water damage. Left unaddressed, roof leaks compromise insulation, damage structural decking, and eventually impact the interior ceiling and assets below.

We provide comprehensive roof waterproofing audits and applications tailored to the specific needs of urban structures. Our team specializes in identifying failure points in flashing, drainage outlets, and perimeter parapet walls. By utilizing modern cold-fluid applied systems, high-durability membranes, and reflective coatings, we create a monolithic, watertight barrier that withstands the most demanding weather conditions.

Services Overview

Our roofing division delivers versatile waterproofing solutions for all roof types, ensuring seamless integration with existing drainage and HVAC components.

Liquid-Applied Membrane Systems

Creating a seamless, fully bonded waterproof layer that conforms to complex roof geometries, pipes, and equipment curbs without the need for high-heat application.

Flat Roof Sealing & Restoration

Repairing and reinforcing EPDM, TPO, and modified bitumen surfaces to stop active leaks and prevent future membrane degradation.

Parapet Wall & Flashing Repair

Waterproofing the critical junctions where the roof meets the wall, including the installation of durable flashing and masonry sealants to prevent lateral water entry.
Row of brownstone homes in New York City
New York City rooftops with water towers

Technical Engineering Features

  • UV-Resistant Reflective Coatings: Applying solar-reflective topcoats that protect the underlying waterproofing membrane from UV damage while reducing "urban heat island" effects.
  • Reinforced Seamless Detailing: Utilizing polyester or fiberglass fleece reinforcement within liquid membranes to provide superior puncture resistance and tensile strength at joints.

The Asset Advantage

  • Extended Roof Service Life: Professional waterproofing can add decades to the life of an existing roof, delaying the massive capital expense of a full roof tear-off and replacement.
  • Improved Thermal Performance: By keeping insulation dry and reflecting solar heat, our waterproofing systems help maintain consistent indoor temperatures and reduce cooling costs.
Frequently Asked Questions

Frequently Asked Question

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We recommend professional inspections at least twice a year—ideally in the spring and fall—to identify potential damage from winter ice or summer heat before leaks occur.

Can you waterproof a roof that is currently leaking?

Yes. We perform emergency leak repairs and can apply specialized primers and membranes designed to adhere to damp surfaces to stabilize the roof until a full system can be installed.

Waterproofing often involves applying a restorative layer or membrane over existing structural components to create a water-tight seal, whereas a replacement involves removing all materials down to the deck.

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