Cityproof Interior Window Systems


Long Island City, NY 11101

Company Info

  • Est. 1960
  • Annual Vol Undisclosed

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Our Story

Custom manufacturing, superior materials, and unmatched attention to detail from beginning to end make Cityproof’s windows the best soundproofing system in the industry. Cityproof’s window system is also the leader in draft and dirt elimination and thermal control.

Other companies may claim to have a similar product, but Cityproof’s superior materials and design, state-of-the-art technology, integrity and customer service  and satisfaction are unmatched.

Premium Materials make Cityproof’s windows superior in their soundproofing capabilities and their durability. Cityproof windows are built to last a lifetime with little to no maintenance.

  1. Cityproof’s sill assembly uses an outdoor-grade PVC track to create an air-tight fit between the framed glass panel and the track while enabling the window to glide exceptionally well. Other companies use rollers or ball-bearings to help a window slide open or closed. These mechanisms create small gaps between the framed glass panels and the track, which allows noise to penetrate. Unlike the Cityproof system, these mechanisms can fail and need to be replaced.
  2. Cityproof is the only company that uses a unique and concealed stainless steel perimeter tracking system on the window’s sides and top. Stainless steel provides the highest durability and the tightest seal available in the market.
  3. To increase durability, Cityproof has engineered a frame system with specially mitered corners and internal corner reinforcement. Many other companies rely on a light-duty, screw-spline connection system that is easily compromised when heavier glass panels are used.
  4. Cityproof offers several standard frame finishing options. Cityproof takes pride in its baked enamel paint (white, linen white) and anodized (dark bronze, clear) finishes. The high quality of the finishes eliminates the occurrence of corrosion, pitting, and wear. Cityproof also offers a custom paint-to-match option.
  5. Cityproof uses Superior Grade Laminated Glass (up to 3/4 inch thick) including ultra-clear Starphire.

A Personalized Process ensures that a custom soundproofing solution will be built for your unique noise situation and site conditions.

  1. Cityproof takes detailed measurements for each location before the windows are custom built. Other companies may use an average measurement, which allows for a lower build cost, but this compromises soundproofing performance.
  2. Every window is 100% custom manufactured to the exact measurements taken onsite which allows the Cityproof window to “mirror” the existing exterior window style. The tightest possible fit eliminates gaps and ensures maximum noise reduction. Other companies often use average measurements to build semi-custom windows. This can leave gaps that would require filler material to be used.
  3. Air conditioning units also allow for noise penetration and Cityproof pays extra attention to these areas. Cityproof builds custom enclosures for AC and HVAC units to reduce noise, increase overall ambient soundproofing, and eliminate the infiltration of dirt, drafts, and cold.
  4. Installation personnel are all Cityproof employees. Cityproof’s crews have an average experience of over 12 years with installing soundproof windows. They are neat, courteous, and extremely professional.

Unmatched Integrity means Cityproof does not make inflated claims or promises about its product. Cityproof stands behind its window systems 100%.

  1. A soundproofing expert will evaluate your unique noise issues before creating a proposal. Cityproof’s recommendations are based on scientific testing combined with many years of soundproofing experience. Many companies over-promise soundproofing results, leaving customers dissatisfied after the windows are installed.
  2. Your estimate and contract will include the specific noise reduction you can expect from your custom soundproofing system. Other companies make generic and broad claims that may not apply to your unique situation.

Still not convinced?

  1. Dedication to superior quality, workmanship, and installation has given Cityproof the privilege of being highly and regularly recommended by architects, acoustical consultants, construction managers, general contractors, building managers, building owners, and interior designers.
  2. Landmarks Preservation Commission approval is usually not necessary because the Cityproof interior window mirrors the existing exterior window.
  3. Flawless installation leaves virtually nothing to paint, fix, or repair.
  4. Cityproof is fully licensed and insured.

We’d like to earn your business with our superior product and superior customer service. Call us today at (718) 786-1600 or email us to speak with an expert about your soundproof window needs.

What We Do

Commercial Experience

Bank Misc Project
Office Building School / College / University

Regions & Counties Serviced

  • New York City, Long Island and Hudson Valley
  • New Jersey - North

Connecticut All

Delaware All

District Of Columbia All

Maryland All

Massachusetts All

New Jersey All

New York All

Pennsylvania All

Rhode Island All

Virginia All

West Virginia All

Our CSI Codes

02 22 13 - Movement and Vibration Assessment
08 01 51 - Operation and Maintenance of Metal Windows
08 06 50 - Window Schedule
08 11 63 - Metal Screen and Storm Doors and Frames
08 11 63.13 - Steel Screen and Storm Doors and Frames
08 11 63.23 - Aluminum Screen and Storm Doors and Frames
08 11 69 - Metal Storm Doors and Frames
08 11 69.13 - Steel Storm Doors and Frames
08 11 69.23 - Aluminum Storm Doors and Frames
08 14 66 - Wood Screen Doors
08 14 69 - Wood Storm Doors
08 15 69 - Plastic Storm Doors
08 51 13 - Aluminum Windows
08 51 16 - Bronze Windows
08 51 19 - Stainless-Steel Windows
08 51 23 - Steel Windows
08 51 69 - Metal Storm Windows
08 52 69 - Wood Storm Windows
08 53 69 - Vinyl Storm Windows
08 54 69 - Fiberglass Storm Windows
08 56 53 - Security Windows
08 56 73 - Sound Control Windows
09 01 80 - Maintenance of Acoustic Treatment
09 06 00.13 - Room Finish Schedule
09 06 50 - Schedules for Ceilings
09 06 80 - Schedules for Acoustical Treatment
09 51 53 - Direct-Applied Acoustical Ceilings
10 20 00.00.01 - Interior Specialties
13 01 20 - Operation and Maintenance of Special Purpose Rooms
13 27 16 - Modular Fire Vaults
13 27 53.13 - Modular Concrete Security Vaults
13 27 53.16 - Modular Metal-Clad Laminated Security Vaults
13 48 13 - Manufactured Sound and Vibration Control Components
13 48 23 - Fabricated Sound and Vibration Control Assemblies
22 05 48 - Vibration and Seismic Controls for Plumbing Piping and Equipment
23 05 48 - Vibration and Seismic Controls for HVAC Piping and Equipment
26 33 16 - Battery Racks
27 11 16 - Communications Cabinets, Racks, Frames and Enclosures
40 95 46 - Process Control Mounting Racks and Supports
44 01 20 - Operation and Maintenance of Noise Pollution Control
44 06 20 - Schedules for Noise Pollution Control
44 20 00.00.01 - Noise Pollution Control
44 21 23 - Noise Pollution Silencers
44 21 26 - Frequency Cancellers

Project Experience

  • Union
  • Non-Union
  • Public
  • Private
  • Projects From $500,000 to $2


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Recent Projects
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Recent Projects
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Recent Projects
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Recent Projects
Service Area and Locations Map for Cityproof Interior Window Systems

Associations & Memberships

NAAMM (National Assn. of Architectural Metal Manufacturers)
NAAMM (National Assn. of Architectural Metal Manufacturers)
AAMA (American Architectural Mfrs. Assn.)
AAMA (American Architectural Mfrs. Assn.)
AIA (American Institute of Architects)
AIA (American Institute of Architects)
ASTM (American Society of Testing Materials)
ASTM (American Society of Testing Materials)
FGMA (Flat Glass Manufacturers Assn.)

Preferred Brands

Cityproof Windows
Cityproof Windows
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