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Flexstone is CCMC approved for use over living space. This includes flat roofs and roof decks. The CCMC designation is usually all that is required for our material to get a stamp of approval for a project. CCMC stands for the ‘Canadian Construction Materials Center’ – and is a federal body that determines what building materials meet the high standards to be approved federally. While this often translates into respective building codes, further inspection or approvals are occasionally requested.

Flexstone is not only approved, but also performed very well in the required tests. The red-tape involved in the building industry is necessary to ensure that homeowners and building owners are using products that will last. This red-tape can also be a nuisance for products that are new. Flexstone has been installed across Canada for over 20 years but has only been approved by CCMC for 5 years. This means that some municipalities and engineers have not yet been educated on how well Flexstone performs.

We have provided you with a couple of sample letters that was drawn for these situations. Engineers who had experience with our product, wrote the letters below and overrode the cautious building inspectors who were unfamiliar with Flexstone’s waterproofing systems.

While this scenario is not common, it does illustrate that – even if an inspector or engineer denies the use of Flexstone on a particular project, there are ways to work around these obstacles. Working with engineering firms that have worked with our product in the past can help bypass the process.

You can verify whether not a product is CCMC approved by searching HERE
You can see Flexstone’s CCMC test results HERE