1. At first, determine the area need to waterproof. The metal roof generally have the following areas need to avoid roof leakage:
The Waterproof weak link of metal roof, such as horizontal lap joint, vertical lap joint, fan mouth, pipe out of the roof, all around of the plane skylight, ridge, gutter, junction of metal sheet and parapet and screw firmware etc..
2. Primary pretreatment of roof leakage in colored steel sheet.
Carefully inspect the metal roof before construction to ensure that the metal roof is firm, clean, non corroding, no frozen.
When the situation does not meet the above, technical staff of CAMELSTEEL suggested that the following treatment:
A. Replace the rusted firmware and add the firmware in place.
B. Polish the rusty area with derusting abrasive paper until it appears metallic color, then coated with a base layer.
C. Remove the frozen objects, dust and other dirt.
Colored Steel roof sheet: It is crucial to select a high quality paint for your metal roof that will stand up to the elements, while looking fresh and new for years to come. Make sure to choose a paint that has been treated with a special acrylic resin that blocks ultraviolet light. It will help prevent premature fading, peeling, corrosion, rust and water infiltration.
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