General developers in the newly closed roof of the whole building to do a good job of waterproof layer and insulation layer. In order to prevent unnecessary troubles caused by water leakage on the roof in the future, the owners living on the top floor strengthened and waterproof the roof.
First of all, the owner who lives on the top floor when closing the house should pay special attention to asking the seller to issue documents on waterproof and thermal insulation of the roof to reduce the chance of roof leakage.
Secondly, consult the property (because of the existence, the owner has taught the maintenance cost, the purchase price must be compared, and the water leakage at the later stage of the roof is the obligation and responsibility of the property), whether to allow the owner to do waterproof reinforcement by himself without taking the responsibility of damaging (changing) the original waterproof layer and insulation layer.
Then find a local professional household waterproof business (it is recommended to find a waterproof brand agent) to see the specific venue and recommend what materials to use for waterproofing. Whether materials are used or not, environmental protection is the primary guarantee of quality; At the same time, merchants are required to sign a free warranty contract to provide five-year service (national requirements).