RoofTech Consultants provided the waterproofing design for the new Denver Detention Center being built in Downtown Denver. Waterproofing design was supplied for below grade and above grade applications. Cold bituminous damproofing and both hot and cold asphaltic systems were specified depending on location within the project. The firm provided all construction details related to the systems installed. RoofTech Consultants also provided the roofing design and construction detailing for the roofs on this project.

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Boettcher Mansion is a historic structure on the national register which was built in 1917. The Jefferson County, Colorado owned building has Tudor styling built in the Craftsmen Architecture period. Our firm provided roofing replacement design and construction observation services for this building. The new roofing consists of Vermont slate in a green gray tone with some weathering brown pieces that were installed for highlights. The detailing drawn up by the firm includes extensive use of custom copper flashings, gutters and downspouts.

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Our firm was chosen to provide roof replacement services for the historic Denver City and County Building. This work was accomplished in a design build approach with Arapahoe Roofing and Sheet Metal acting as the primary contractor. Research indicated that the high slope roofing areas that are visible from the ground originally were covered with clay tile in the 1930’s when the building was constructed. This tile roofing was changed out to standing seem aluminum roofing in the early 1960’s. After meeting with the Historic Landmark Structure Commission, and presenting roof replacement options, it was decided to continue with the metal roofing approach. The project was accomplished with 100% recycle of the existing high slope roof. The roofing replacement products had an average recycle content of over 50%. The low slope upper roof was covered with an Energy Star compliant 85 mil TPO roof membrane. RoofTech Consultants provided all of the specifications and construction drawings for this project.

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Adams State College in Alamosa, Colorado has been slowly changing out its low slope roof systems with retrofit high slope metal roof systems. Metal stick framing is built over the low slope roof structure. Structural sheet metal roof systems are then installed on the purlin framing that has been installed. The new roofs have an expected aesthetic service life of 30 years or more. The metal pans themselves should last up to 50 years. RoofTech Consultants has worked on several buildings on Campus providing roof design and construction observation services. The photo shown here is of the metal roofing installed as a mansard at the sawtooth roof ends of the Student Center. The framing and metal pans are visible.

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In this instance, RoofTech Consultants has provided waterproofing design for the existing cooling towers at Denver International Airport. The existing modified bitumen sheet system will be replaced with a 100 mil thick two part 100% solids urethane coating. This coating will be protected from falling ice with a grating system. The design documents include a stringent scheduling requirement so that enough cooling can be made available to the airport while construction takes place.

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RoofTech Consultants provided roofing system design for the low slope roof system on Phase III of the New Orleans Convention Center. Over 500,000 square feet of low slope roofing was installed as part of this Convention Center expansion project. We also provided periodic construction inspection for the low slope roofing. Since that time we have provided maintenance and audit services for the large roofing systems covering all three phases of building construction. Our firm provided the remedial roof design for the repair of the roof system after Hurricane Katrina.

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