Window, Door & Skylight Installation & Waterproofing

We specialize in professional window, door, and skylight installation to enhance both functionality and aesthetics. Our expert team ensures precise fitting and long-lasting performance for every project. We also provide reliable waterproofing solutions to protect your property from leaks and moisture damage.

Complete Building Envelope Solutions

Cypress Green Construction delivers expert installation and waterproofing services for the full building envelope. From high-performance window systems to below-grade waterproofing membranes, our crews are trained in the latest building science and product systems.

We handle everything in-house — from initial consultation and site assessment through permit coordination, installation, and final inspection — ensuring a seamless, accountable process from start to finish.

  • Commercial & residential scope coverage
  • Full permit coordination & NYC DOB compliance
  • Factory-certified installation teams
  • Manufacturer warranties honored & processed
  • Single point of contact for all trades
Envelope Projects Completed Across NYC
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Years of Installation Expertise
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NYC Code Compliant
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Comprehensive
Installation Services

From single-family homes to large commercial properties, we deliver expert installation with meticulous attention to weatherproofing, energy efficiency, and lasting durability.

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Window Installation

Custom and standard window installations for residential and commercial properties. Energy-efficient glazing, storm windows, and historic restoration replacements handled with care.

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Door Installation

Exterior and interior door installation including commercial-grade entry systems, storefronts, and residential doors. Security-focused with precision fitting and weather sealing.

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Skylight Installation

Fixed, venting, and tubular skylights expertly installed to maximize natural light while preventing leaks. Compatible with flat and pitched roof systems in any building type.

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Waterproofing & Sealing

Comprehensive waterproofing solutions around all openings. Flashing, caulking, sealant application, and membrane systems designed to protect your building envelope long-term.

Our 5-Step Process

A streamlined, transparent process from first contact to final inspection — no surprises, just results.

Complimentary Initial Assessment
We assess your needs, take measurements, and discuss product options tailored to your budget.
Detailed Proposal
Receive a clear, itemized quote with no hidden costs. We explain every line item.
Installation
Our certified crew executes the installation with precision, care, and minimal disruption.
Waterproofing
All openings are sealed, flashed, and tested to ensure complete weather protection.
Final Inspection
We walk through the completed work together and ensure your full satisfaction before close-out.
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Built on Trust, Precision & Expertise

Cypress Green Construction brings decades of hands-on experience and a commitment
to quality that sets us apart in the New York metro market.

Licensed & Fully Insured
Fully compliant with NYC building codes and regulations. All work is permitted, inspected, and backed by comprehensive liability coverage.
Energy Efficiency Focus
We source and install high-performance products that reduce energy costs, improve comfort, and meet ENERGY STAR standards
Workmanship Warranty
Every installation is backed by our workmanship warranty. We stand behind our work and ensure long-term satisfaction for every client.
Commercial & Residential
From luxury penthouses to large commercial towers, our crews are trained and equipped for projects of any scale across the five boroughs.
Precision Installation
Our technicians are trained to manufacturer specifications. Every measurement, seal, and fitting is executed with exacting precision.
Trusted by Professionals
Architects, engineers, and general contractors rely on us as a trusted trade partner. We integrate seamlessly into any project team.

Our Featured Projects

We carry out any finishing work. Take a look at our featured casework projects.

Downing Street

Residential Lobby Restoration

11th Street

Full Mixed use Building Alteration

View All Projects

FAQ's

What types of windows and doors do you install?

We install a wide range of windows and doors including casement, double-hung, sliding, bay/bow windows, entry doors, patio doors, French doors, and commercial-grade storefront systems. We work with all major brands and can source custom sizes to fit your specific project.

Yes. We install fixed, vented, and tubular skylights for both residential and commercial properties. Our team handles the full installation including framing, flashing, and waterproofing to ensure a leak-free result.

Absolutely. Cypress Green Construction works with homeowners, architects, general contractors, commercial property owners, and owner’s representatives. Whether it’s a single window replacement or a large-scale commercial curtain wall project, we have the expertise to deliver.

Waterproofing is the process of sealing windows, doors, and skylights to prevent water infiltration. Poor waterproofing can lead to mold, structural damage, and interior water damage. Our team applies industry-grade sealants, flashing, and membranes to ensure a watertight installation.

Our Partners

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