Chemical Delignification: Causes & Treatment

Chemical delignification has been found in some metal and concrete tiled roofs around the Perth region, and primarily in properties close to the ocean. However, the deterioration seems to be more related to the ‘Terracotta Tiled Roofs’ which is similar to clay bricks, than to the actual location. 

Before we explain in more depth what chemical delignification really is, we need to understand what products and conditions can lead up to this happening to the roof timber structure. So, let’s start from the beginning.

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