At SSI, we provide "best systems" solutions to the residential and light commercial markets through innovative products and services. Our wide selection of offerings includes:

• Engineered Wood Products - IJoists, Beams & More
• Roof Trusses
• Open Web Floor Trusses
• Wall Panels
• Floor Panels
• Loose Lumber - Including Wood Sheathing
• Windows & Doors; Features & Trim
• Structural Insulated Panels (SIPs - we install!)
• Glulam Beams/Decking & Light Gauge Steel
• FSC Lumber -The mark of responsible forestry
• Construction Services - NHQ-Certified Installation
• Engineering Services - Seals & Repairs
• ZIP System Sheathing - Roof & Wall Systems
• DOW SIS Plus Structural Sheathing
• SSInergy Products - Products and details specially designed to maximize energy efficiency and lessen environmental impact

Click here to request printed brochures OR our new eBrochure (on a reusable USB drive)

For a viewable GUIDE TO SSI, click here.

For the SSI PHOTO GALLERY, click here.

For LEARNING CENTER EVENTS, click here.

By using this website you agree to the Terms of Use

Founded in 1968, Structural Systems is celebrating 40 YEARS of the highest quality customer service this year ... We sincerely THANK YOU for your continued confidence in SSI!