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“When deteriorated, damaged or lost features of a historic building need repair or replacement, it is almost always best to use historic materials.” This quote from the U.S. Department of the Interior, National Park Service’s Preservation Brief clearly lays out the preferred standard. In most cases, historic replacement materials are not available, are prohibitively expensive to purchase and install or are outside the intended scope of a restoration project.
Acrylabs fluid applied roof membranes provide a viable and cost effective alternative to replacement of historic roofs. In fact, Acrylabs historic roof restoration systems closely conform to the Department of Interior’s Standards for Rehabilitation and Guidelines for Rehabilitating Historic Buildings. In that publication, the Secretary of the Interior strongly recommends “repairing a roof by reinforcing the historic materials which comprise the roof features.” Acrylabs roof restoration systems are applied as reinforced and partially reinforced membranes directly to historic roof surfaces. This type of application creates a seamless and durable surface without obscuring the profile, character and functional or decorative features of the historic roof. Further conforming to preservation guidelines, Acrylabs membranes are available in finish colors appropriate to the historic building or district. All colors are manufactured with solid pigments to avoid the fading most commonly seen in tinted finishes. A wide palette of standard and historic colors is available in addition to custom color matching to conform to original finishes or preferences of historic districts, architects and building owners.
In most cases, removing an historic roof is not necessary for the application of the Acrylabs systems. Rusted or corroded surfaces are cleaned and treated with environmentally safe primers. Loose or poorly attached roofing materials are refastened and then the Acrylabs waterborne composite system is applied as a fully reinforced membrane over the existing roof surface. The original texture telegraphs through the finished membrane to reveal the original look of soldered seams, standing seams or embossed metal. In addition to ferrous and non-ferrous metal roofing, the Acrylabs restoration systems are also appropriate for application to low slope built-up roofing and other asphaltic surfaces as well as concrete, masonry and wood.
In addition to providing a waterproof and seamless roofing surface, Acrylabs roof preservation products ensure the longevity of historic materials while renewing and maintaining the historic character of the roof. Acrylabs roof membranes are easily renewed with a maintenance coat applied every 10-15 years.
“When deteriorated, damaged or lost features of a historic building need repair or replacement, it is almost always best to use historic materials.” This quote from the U.S. Department of the Interior, National Park Service’s …..