Warranty treatment
Before the 5-year warranty period, the property management will inform the developer to handle it; After the warranty period, the property management will carry out maintenance treatment, but the expenses will be paid by the maintenance fund. If there is no maintenance fund, all owners will share the cost.
Styrene butadiene styrene
Use SBS waterproofing membrane for laying, do a water repellent test after it is done, and then restore the protective layer after there is no problem.