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United Materials: Roof Installation

Expert Commercial Roofing Since 1923

A high-quality commercial roofing system offers more than protection for your building, it’s an investment in your future. For nearly 100 years, customers in Denver and throughout the Rocky Mountain region have trusted United Materials with their commercial roofing projects.


United Materials installs high-quality, long-lasting commercial roofs that provide an excellent return on investment. Our roofs meet all commercial and building codes and provide you with the best roof for your building.


Experience You Can Trust

Our highly-trained roofing technicians bring a wealth of broad-based experience to every job. No matter what type of roof you need, our expert assessments will provide you with the most economical and durable solution for your unique application. Whether a new roof or re-roof, our goal is the same – to exceed customer expectations.

A Roof to Meet Your Needs

United Materials installs a wide range of high-quality commercial roofs. Our expert staff will listen to your needs and install a roof the meets your unique application and budget.

Modified Bitumen Roof

Designed for low-slope and flat roofs, modified bitumen roofing systems use an asphalt-based material installed in multiple layers. These durable roofs withstand harsh conditions and extreme environments.



  • Wide range of applications

  • Superior waterproofing

  • Excellent life-cycle

  • “Cool roofing” options available


Single Ply Roof

Used on low-sloping and flat roofs. Single ply roofs use a prefabricated single-ply membrane that comes in a variety of materials and thicknesses.



  • High strength

  • Weather resistant

  • Flexible

  • Highly durable

Built Up Roof

Suitable for many low-slope roofing applications. Consists of multiple layers of sheeting material with hot asphalt, or bitumen, between layers to bond them together and provide waterproofing. The top of the roof is covered with a durable material such as gravel.



  • Low maintenance

  • Durable, with long-service life

  • Excellent waterproofing and insulation

  • Easy to repair

  • Fire resistant


Metal Roofing

Suitable for a wide range of applications, from industrial, educational and agricultural roofs to recreational, healthcare and government buildings. Used on both sloped and flat roofs, metal roofing is available in a range of thicknesses. Metal roofs can be installed as single-skinned or insulated panels.



  • Cost effective

  • Long service life

  • Energy saving technology

  • Excellent weather resistance

High-Quality Materials

United Materials uses only the highest-quality commercial roofing materials from leading manufacturers including:

  • Johns-Manville

  • Versico

  • Derbigum

  • Firestone


  • GAF

Go with the Best

Why take chances with a less-experience roofer? For nearly 100 years United Materials has offered the industry’s most experienced and highly-trained staff, only the highest-quality materials and roofing solutions that meet your unique needs. Contact us today. We’ll work with you every step of the way to install your new commercial roof.

United Materials LLC

P.O. Box 16049

Denver, CO 80216


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