Some old materials can be sealed over others require removal.
Waterproofing of old roof.
Water resistant and waterproof often refer to penetration of water in its liquid state and possibly under.
The original roof waterproofing solutions applied may be inelastic in nature and the labour used in implementing them is often unskilled.
The roof must be dry to bond with the roof.
Old flat roof waterproofing epdm roof waterproofing when deciding the most suitable solution for waterproofing a flat roof the building owner or property manager should take in consideration with equally importance not only the expertise and reliability of the roofing contractor but as well the material system chosen.
No schedule complications or disturbing the occupants and contents of the building.
On the other hand while breaking the old waterproofing layer on the ceiling the slab also gets damaged to a certain extent.
The roof must be clean or the material will adhere to the dirt and not the roof.
By waterproofing as you go no water damage to new roofing materials or the existing building can occur during construction.
Pay as you go repair small areas of the flat roof at a time due to molecular welding new to old.
The most important element in stopping metal roof leaks is the care during the sealing waterproofing process.