What to expect during flat roof installation: Property protection and coverage using plywood and tarps. Removal of ALL old roofing material. Repair and replacement of rotten boards/plywood decking underneath the flat roof if needed. Re-nailing and re-securing of roof deck.  This will help enhance the look of the roof by providing a flat surface to install the new material to and minimize the chance of premature cracking to roofing material. Inspect roof decking for adequate slope for drainage

There are minimum 5 steps to take before waterproofing clean the substrate; examine the surfaces to be waterproofed; prepare the surfaces; check and renovate the joints and the wells; proceed to the waterproofing of joints and drains. Is waterproofing permanent? While basic waterproofing membranes should last at least ten years, they can last much longer given the right choice and circumstances. Conversely, poor quality waterproofing will rarely last the distance. How many methods are of