Serving Greater Portland, OR

Vancouver, WA & Surrounding Areas

Welcome to Interstate Roofing, Siding, Windows, and Gutters!

Since 1988, Interstate has established itself as one of the largest and most trusted exterior improvement companies in the Northwest. In an industry that focuses on customer service and quality, Interstate exemplifies these attributes in everything that they do. Obvious throughout the company is the highest standard of integrity, teamwork, quality and class. Committed to professionalism and quality of work, Interstate has the knowledge and experience to handle your construction needs.

Click on coupon below to view and print the PDF Version.

Web Special - Roof - Siding Repairs

  • This coupon applies to residential roofing, commercial roofing, residential siding or commercial siding repairs only.
  • Free Repair Estimates will be provided on any project that exceeds $500.
  • Standard Repair Policy applies to all minor repairs.
  • Free estimates will be provided for Roof and Gutter cleanings.
  • Coupon MUST be presented at or before time of service.
  • Please call Interstate Roofing, Siding, Windows and Gutters at (503) 684-5611 or use the Free Estimate link on this page.
  • Coupon is valid on projects completed between November 1, 2009 and March 31, 2010.

Click on coupon below to view and print the PDF Version.

Web Special - Gutter Guard Cleaning

  • Option 1 – Receive a maximum of two free Downspout Clean-Outs. Additional Clean-Outs are $45 each.
  • Option 2 – Receive a $90 discount on Ridged Aluminum Gutter Guard. Gutter guards will be installed at $4 per linear foot.
  • Coupon MUST be presented at or before time of service.
  • This coupon applies to any project over $3,000 contract price.
  • Please call Interstate Roofing, Siding, Windows and Gutters at (503) 684-5611 or use the Free Estimate link on this page.
  • Coupon is valid on projects completed between November 1, 2009 and March 31, 2010.

Click on coupon below to view and print the PDF Version.

Web Special - Attic Insulation Installation

  • Receive $50 off an insulation installation when combined with any project over $3,000.
  • Qualify for CASH from Energy Trust of Oregon ($0.25 per square foot.).
  • Qualify for up to $1,500 in Federal Tax Credits. Tax Credit Information
  • Coupon MUST be presented at or before time of service.
  • Please call Interstate Roofing, Siding, Windows and Gutters at (503) 684-5611 or use the Free Estimate link on this page.
  • Coupon is valid on projects completed between November 1, 2009 and March 31, 2010.

Click on coupon below to view and print the PDF Version.

Web Special - Solar Tube Installation

  • Receive $50 off any Solar Tube or Sun Tunnel installation when combined with any project over $3,000.
  • Coupon MUST be presented at or before time of service.
  • Please call Interstate Roofing, Siding, Windows and Gutters at (503) 684-5611 or use the Free Estimate link on this page.
  • Coupon is valid on projects completed between November 1, 2009 and March 31, 2010.

Click on coupon below to view and print the PDF Version.

Web Special - Recycle

  • Receive $100 off any Recycling Disposal Upgrade when installing a new roof.
  • Coupon MUST be presented at or before time of service
  • This coupon applies to any project over $3,000, contract price.
  • Please call Interstate Roofing, Siding, Windows and Gutters at (503) 684-5611 or use the Free Estimate link on this page.
  • Coupon is valid on projects completed between November 1, 2009 and March 31, 2010.