Detection of scratches or areas of asphalt exposure - on the surface - by external mechanical action.In the case of membranes with self-protection aluminum cover, any area that has deterioration must be repaired by applying FitaFLEX, a self-adhesive membrane. The areas of asphalt exudate should be protected with Macá Al, aluminized paint.In the case of membranes with a self-protection cover made of polyester geotextile, any area that has deterioration must be repaired by applying a membrane cut of similar characteristics, applying Emacril, acrylic waterproofing for ceilings, as a termination.In the case of membranes with a mineral self-protection cover, any area that presents deterioration must be repaired by the application of natural slate scales (provided with the product at the time of acquisition) by adhering them, with the contribution of heat, to the surface at In the case of membranes applied under a folder, it should be noted that any future fixing of objects to the floor involving the use of screws, screws, etc., will reduce the waterproofing capacity in that area.It is very important to allow the free flow of water, removing any foreign element that contributes to its stagnation. In that sense, leaves, verdin, mosses and other invasive plant forms, as well as snow, materials and sediments accumulated by the wind that can promote reservoirs of water accumulation or obstruct drains and gutters should be eliminated.