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John Canning & Co. Becomes Authorized Installer of HPCS Plaster Product

Global Standard for Conserving Historic Plaster


historic plaster conservationCheshire CT, October 2019:  John Canning & Co., one of the nation’s leading experts in historic restoration, conservation and preservation, uses not only knowledge and experience but also state-of-the-art technology to repair structural problems in fragile historic buildings.  As one of the early installers of the Rhoplex System and a colleague of its developer, Morgan Phillips, John Canning & Co. has worked with him on numerous preservation projects involving the consolidation, stabilization, and reinforcement of historic plaster.  This is why John Canning & Co. is with HPCS today because these products take it further and into the future by systematically formulating the products and procedures so that the plaster consolidation process is most consistent, adaptable and user friendly while offering a guarantee that the open Rhoplex recipe doesn’t offer.

John Canning & Co. have found over the years that the Historic Plaster Conservation Services (HPCS) products have proven to be far superior to all other treatment methods and are announcing they will be using HPCS methods and products for all their future plaster conservation and repair projects.  Being one of the few official installers for HPCS, John Canning & Co. has access to a suite of products to use as additional tools on consolidation and fragile plaster projects allowing them to save old plaster by addressing the problem at its root- where the plaster meets its substrate. The HPCS treatment method dramatically strengthens and adheres plaster to its substrate.

John Canning & Co.’s knowledge and expertise in historic plaster conservation allows them to provide problem-solving solutions for even the most complex projects.  John Canning & Co. can handle all stages of historic plaster conservation including plaster condition surveys/assessments, stabilization & reinforcement of fibrous plaster panels/coffers, plaster on masonry, consolidation of plaster on wood or wire lath, plaster restoration & stabilization as well as ornamental, flat, and acoustic plaster restoration & replication.

“The HPCS team is delighted to have John Canning & Co. on board as an approved installer of our products,” said Neal Mednick of HPCS. “John Canning & Co. and its impeccable reputation will help spread the word about the high quality of the entire HPCS product line.”

HPCS was founded in 1988 to pursue opportunities in the very specific field of architectural plaster conservation to address and repair the structural problems of fragile plaster in historic buildings. Over the past 30 years, HPCS has developed and patented an array of specialty products, techniques and tools, designed to strengthen and re-attach existing plaster on ceilings and walls.  The HPCS treatment methods and products have saved original plaster of all types in more than 300 landmark and/or historic buildings.

Located in Cheshire, CT, John Canning & Co. is one of the nation’s leading experts in historic restoration, conservation and preservation. John Canning & Co. offers services in a variety of areas including: conservation, planning, designing, historic paint analysis, plaster condition surveys, restoration, decorative finishes and painting, budgeting and consulting.  John Canning & Co. with over 40 years of experience has received numerous awards and have been entrusted to restore state capitols, courthouses, churches, libraries, museums, theatres, educational establishments and other historic buildings.

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