GAF Quality Roofing Products

Bob's construction wants to be your roofing contractor!  Your home is your biggest investment and a new roof will help protect that investment for years to come. With over 50 years of experience we have hundreds of satisfied roofing customers throughout southeastern Minnesota. By using only top quality materials from companies like  GAF Materials Corporation. We also pride ourselves in professional craftsmanship, we will  install your new roof right the first time!

Bob's Construction, Inc. is a Certified Installer for GAF Corporation.

Quality Assurance

The GAF brand has been the first choice for professional installers who want a durable and long lasting product that is going to last for years to come. There is a reason we are the  #1 brand in North America!

• GAF we are the Inventors of the Timberline® Advanced Protection  shingle  we continue to be  #1-selling shingle in North America
• voted  #1 in product quality by contractors, home builders and satisfied customers
• GAF is rated  #1 in innovation for shingles and ridge ventilation by home builders
• GAF is the  most-recommendedbrand by upscale remodelers
• GAF was the first to pass ASTM D3161 Class F (110 mph) and ASTM D7158 Class H (150 mph) wind ratings on every manufactured shingle (per UL public listing)
• GAF we were the first to produce an energy-efficient asphalt shingle available in rich colors, called the Cool Color Series (now called Timberline® Cool Series)
• Freedom™ TPO self-adhering roofing systems was chosen as the Product Of The Year by Commercial Building Products magazine
  
• Fireshield® brand roof restoration system was rated  "Best Product" by the editors of Buildings magazine