Montreal East, QC Real Estate News

By Robert Butler, Montreal Home Inspector | Aspect Inspection
(Aspect Inspection)
The Big O, a new EPDM roofing membrane Here is a relatively new roofing product, especially when used for residential buildings. It will replace the older tar and gravel roofing systems for flat roofs. EPDM ethylene propylene diene Monomer (M-class) rubber In commercial applications large sheets of the EPDM, a rubber type material are laid over the roof surface. If more is needed, other sheet are laid adjacent to the first and overlap. The overlapping seams are glue/welded together to create a watertight membrane that covers the whole roof and extends up the sides of parapet walls to under the cap flashing. All passthroughs and openings are sealed in the same manner. In some applications the membrane is weighted down rater than being mechanicall...
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