Reversibility
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johnleeke
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Location: Portland, Maine, USA

PostPosted: Tue Oct 12, 2004 11:57 am    Post subject: Reversibility Reply with quote

Treatment reversibility is a key requirement of building conservation sometimes required for work on important historic buildings. If a treatment cannot be removed without casing damage to historic material, then it cannot be used in the first place. These epoxy materials are formulated to penetrate deeply and adhere tenaciously. This is what makes them so effective from a practical point of view, but it also makes the repair difficult to reverse. While wood-epoxy repairs can be designed to be reversible, this is not the way they are commonly done.
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johnleeke
Site Admin


Joined: 20 Aug 2004
Posts: 2937
Location: Portland, Maine, USA

PostPosted: Tue Oct 12, 2004 11:58 am    Post subject: Reply with quote

It is recognized that these wood-epoxy treatments may not be as reversible as demanded by current conservation philosophy. But, very often a balance can be struck between the shorter maintenance cycles of more reversible treatments and the longer maintenance cycles of less reversible treatments. It is particularly important to achieve a longer maintenance cycle on woodwork in remote locations, such as steeples and high towers, due to the high cost of access. This not only reduces the cost of maintenance, but also has been demonstrated on at least one national landmark building over the years to result in the preservation of more historic fabric. This balance between reversibility and sustainability must be kept under consideration, always leaning toward reversibility with important historic buildings.
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