
Acoustical Surfaces
ASI is a company with 25 years of experience. ASI offers the markets first affordable high performance acoustical window. Our Noise Stop Studio 4 and Studio 6 windows have an STC value of 45 or 56. All windows are custom made to order with the fastest turn around times in the industry.

AMBICO
AMBICO’s fixed steel window assembly has achieved STC 56 in accordance with ASTM E 413-87 at a leading independent laboratory. With the appearance of standard, fixed, architectural windows, these units install seamlessly into most projects. Typical installations include broadcast studios, testing laboratories, and other areas where sound attenuation is a necessity.

Atrium Door & Window Company
Atrium is the largest manufacturer of residential vinyl and aluminum windows and patio doors in North America. Its Silent Guard™ line of sound abatement products provides STC ratings up to 48 and its SafeHarbor® impact windows and doors are designed to exceed coastal hurricane test protocols. Atrium’s products are available nationally through industry leading distributors and builders.

Graham Architectural Products
Graham is a leader against noise pollution penetration. The primary source for environmental noise intrusion is through windows. We engineer acoustical windows that look smart and weather better to reduce environmental noise. Acoustically-rated fenestration products available in structural aluminum and PVC, in full spectrum of styles, operating systems, and STC/OITC ratings.

Harvey Building Products
Harvey, known as a leader in the manufacturing of vinyl windows, offers an acoustic window system that has been used in sound abatement programs throughout the U.S. Harvey offers extensive services to the building trade in the Northeast states of CT, ME, NH, MA, PA, RI, NY, NJ & VT.

Krieger Specialty Products
![]()
Custom manufactured acoustical windows for live performance venues, recording studios, and industrial applications. Available up to STC 56. Clients include Disney Concert Hall, Kodak Theater, Getty Museum, General Motors and Bayer Laboratories.

Milgard Windows
No noise is good noise. Milgard's Quiet Line™ insulated windows give you the best in sound control performance*, energy efficiency and weather protection. 30% less noise than our other windows with the same high quality vinyl compound and attention to detail of all Milgard windows.

Protective Door Industries
PDI's high performance Sonicbar® sound control steel window units achieve STC ratings as high as 56 STC. Window designs are available in single or multiple glazed and dual framed designs. Optional features include desiccant systems for moisture protection and sloped panes for reflection control. Contact PDI's technical staff for the best solution.

Soundproof Windows
Available nationwide. Our secondary window STC ratings range from STC 48 to STC 57. Ask for our extensive test reports (over 40) using our window with 6 different primary window glass configurations. Our recording studio windows and doors have STC 60+ ratings. Whether residential, commercial, historical, recording studio or hotel - we offer the highest STC values in the industry.

St. Cloud Window ![]()
Acoustic windows and doors. Double Hung, Horizontal Rolling, Fixed Lite and Projecting windows perform up to STC 60 - OITC 49. Single or Double Leaf Terrace Doors perform up to STC 61- OITC 49. Create a refuge of peace in the midst of an otherwise hectic world -- The luxury of quiet™ is at hand.

Stiles Custom Metal ![]()
The finest built-to-order steel doors and window systems in the world. STC-49 and STC-51 windows. Fire labels available per ASTM/E2010/UBC 7-4 positive pressure, up to 1-1/2 hour. Available with a variety of finishes, including our proprietary partina and stainless steel.
Our FREE binder tabs will help organize your LEED notes and project manuals. We will send you a set for free as a reminder to start your Internet product research with 4specs. Try the 4specs Regional Search to identify manufacturers close to your project. Free! |
See also:
Interior Storm Windows
Sound Transmission Control Materials (STC rated)

Acoustical Surfaces
ASI is a company with 25 years of experience. ASI offers the markets first affordable high performance acoustical window. Our Noise Stop Studio 4 and Studio 6 windows have an STC value of 45 or 56. All windows are custom made to order with the fastest turn around times in the industry.

AMBICO
AMBICO’s fixed steel window assembly has achieved STC 56 in accordance with ASTM E 413-87 at a leading independent laboratory. With the appearance of standard, fixed, architectural windows, these units install seamlessly into most projects. Typical installations include broadcast studios, testing laboratories, and other areas where sound attenuation is a necessity.

Atrium Door & Window Company
Atrium is the largest manufacturer of residential vinyl and aluminum windows and patio doors in North America. Its Silent Guard™ line of sound abatement products provides STC ratings up to 48 and its SafeHarbor® impact windows and doors are designed to exceed coastal hurricane test protocols. Atrium’s products are available nationally through industry leading distributors and builders.

Graham Architectural Products
Graham is a leader against noise pollution penetration. The primary source for environmental noise intrusion is through windows. We engineer acoustical windows that look smart and weather better to reduce environmental noise. Acoustically-rated fenestration products available in structural aluminum and PVC, in full spectrum of styles, operating systems, and STC/OITC ratings.

Harvey Building Products
Harvey, known as a leader in the manufacturing of vinyl windows, offers an acoustic window system that has been used in sound abatement programs throughout the U.S. Harvey offers extensive services to the building trade in the Northeast states of CT, ME, NH, MA, PA, RI, NY, NJ & VT.

Krieger Specialty Products
![]()
Custom manufactured acoustical windows for live performance venues, recording studios, and industrial applications. Available up to STC 56. Clients include Disney Concert Hall, Kodak Theater, Getty Museum, General Motors and Bayer Laboratories.

Milgard Windows
No noise is good noise. Milgard's Quiet Line™ insulated windows give you the best in sound control performance*, energy efficiency and weather protection. 30% less noise than our other windows with the same high quality vinyl compound and attention to detail of all Milgard windows.

Protective Door Industries
PDI's high performance Sonicbar® sound control steel window units achieve STC ratings as high as 56 STC. Window designs are available in single or multiple glazed and dual framed designs. Optional features include desiccant systems for moisture protection and sloped panes for reflection control. Contact PDI's technical staff for the best solution.

St. Cloud Window ![]()
Acoustic windows and doors. Double Hung, Horizontal Rolling, Fixed Lite and Projecting windows perform up to STC 60 - OITC 49. Single or Double Leaf Terrace Doors perform up to STC 61- OITC 49. Create a refuge of peace in the midst of an otherwise hectic world -- The luxury of quiet™ is at hand.

Soundproof Windows
Available nationwide. Our secondary window STC ratings range from STC 48 to STC 57. Ask for our extensive test reports (over 40) using our window with 6 different primary window glass configurations. Our recording studio windows and doors have STC 60+ ratings. Whether residential, commercial, historical, recording studio or hotel - we offer the highest STC values in the industry.

Stiles Custom Metal ![]()
The finest built-to-order steel doors and window systems in the world. STC-49 and STC-51 windows. Fire labels available per ASTM/E2010/UBC 7-4 positive pressure, up to 1-1/2 hour. Available with a variety of finishes, including our proprietary partina and stainless steel.