Sacramento Water Treatment Plant's 70 Year Old Reservoir Gets Cuting Edge Roof

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City of Sacramento Discovers Functionality and Durability in Innovative Water Reservoir Roof Design

it was a real challenge to meet the City's needs for a durable roof system that also responded to the budgetary constraints that are always a part of a public work.

Madsen Roof Company, Inc. recently completed replacing the 70-year old redwood deck and corrugated asbestos transite roof at the Sacramento River Water Treatment Plant's 9.5 million gallon reservoir. The new system includes a Resolite Fiberglass Reinforced Polymer (FRP) panel deck, Dens-Deck substrate and single-ply membrane roof.

While the original specification called for a plywood deck and standing seam metal roof, Madsen suggested an alternative after monitoring high interior humidity levels which would create significant potential for rot and premature deck failure. The Resolite FRP deck provided several key advantages. It would withstand the humidity, be appropriate for a potable water supply and would be significantly less expensive than a stainless steel deck. Christian Madsen, Vice President of Madsen Roof Company, notes that "it was a real challenge to meet the City's needs for a durable roof system that also responded to the budgetary constraints that are always a part of a public work."

The City of Sacramento wanted a roof system that would retain the standing seam metal roof appearance of its original specification, while meeting California Title 24 reflective roof standards. Madsen suggested installing a Sarnafil Décor ribbed single-ply roof system which would meet Title 24 requirements while providing the City with the desired appearance. As a significant bonus, the Sarnafil system included a 20-year manufacturer's system warranty, a tremendous benefit not a part of the original specification.

The project was a complete success. This historic reservoir is a key component the City of Sacramento's potable water system. Mr. Madsen observed that "the new roof system was completed to the highest levels of quality. The reservoir will continue to serve the public for many years to come."

Madsen Roof Company, Inc. Madsen Roof Company, Inc. is a licensed general and roofing contractor and has provided quality commercial roofing services for over 21 years. Madsen was organized in 1987 by Peter C.B. Madsen, who continues to lead the company. Co-founder Christian K.B. Madsen serves as Lead Estimator/Project Manager. Madsen Roof Company specializes in commercial roof replacement, new construction roofing, commercial waterproofing, preventative maintenance and repair, budget and planning consulting, and emergency roof repair.

Madsen Roof Company works primarily with commercial and industrial clients in Central and Northern California. Its main service area extends from Modesto to Redding and from the Greater Bay Area to Lake Tahoe. The company is a also licensed in Nevada and Oregon.


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Rosemary Reynolds
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