Window Treatments

Commercial Window Treatments

Division 12 Window Treatments

Granite State Specialties (GSS) is New England's leader in construction specialties with over 30 years supplying and installing CS products.

Sales and Installations

With decades of experience working with construction specialties, we've established invaluable relationships with some of the top manufacturers in the industry today. Because of these relationships, we're able to offer the newest, cutting-edge window treatments at highly competitive prices, while also offering a full installation service to get your project through to the end.
Headquartered in New England, Servicing Nationwide.

Our Process


Our team of experienced estimators is focused on offering the most accurate and high quality estimating service available. GSS performs all takeoffs in house and works with all top vendors to provide quick and competitive pricing.

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Project Management

Leave the hassle of project management to the experts at GSS. Our knowledgeable project managers have years of experience in the industry and will manage the project from site readiness through installation.

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Our OSHA trained installers have decades of experience installing Construction Specialties, ranging from toilet partitions on wall street in New York City to the window shades at the Federal Reserve in Boston, Massachusetts.

Fully Insured + OSHA Trained Installers


The team here at Granite State Specialties has unparalleled knowledge and experience with window treatments of all types. The following is a list of the different types of window treatments we offer. Our OSHA trained installers are ready to help with your next window treatment installation.

  • Electric shades
  • Manual shades
  • Blackout shades
  • Double shades
  • Banded shades
  • Bottom up shades
  • Graphic shades
  • Roller shades
  • Mini blinds
  • Metal shading systems
  • Graphic FlexShade®
  • Vertical blinds
  • Vertical blinds with or without headbox and facia
  • Motorized roller shades
  • Manual roller shades
  • Tension shades
  • Specialty shades
  • Exterior roller shades
  • Custom shading solutions
  • Motorized venetian blinds
  • Energy efficient shades
  • Energy efficient blinds
  • Multi-Band shades
  • Image shades
  • Sloped shades
  • Fixed shades
  • Solar shades
  • Solar blinds systems
  • Digitally printed shades
  • Architectural shading
  • Solar control systems


With decades of experience in the construction specialties industry, we've established relationships with some of the industry's best window treatment manufacturers. Not only does this allow us to offer you highly competitive prices, but when paired with our exceptional, OSHA trained isntallation team, you can't go wrong.

  • MechoShade
  • Draper
  • Hunter Douglas
  • Webblok
  • Lutron

Why GSS?

All of our installers are extremely knowledgable and have a minimum of 30 hours of OSHA training to ensure the safety of your environment during installs. With a proven track record of success throughout New Hampshire, Boston, and the rest of New England, we have the experience and know-how to get your next job done safe, and in a timely manner.