1. For self-built houses, if there is water leakage, they must be responsible for maintenance. First, find the leaking place. If the leak is too small to be filled with waterproof material, a V-shaped pit can be dug at the leak with a chisel or grinder, and then concrete slurry mixed with fine sand and cement is poured into the pit. If the roof cracks seriously and needs to be overhauled, it is generally only necessary to hire professional leak-trapping personnel to repair it.

2. If it is a rented house, the maintenance of roof leakage is entirely the responsibility of the landlord. Therefore, we should contact the landlord in time and urge the other party to complete the maintenance as soon as possible. Some landlords are lazy or ill-intentioned, and will negotiate with tenants to let them hire someone to repair them themselves, and the maintenance cost will be paid by the landlord. Try not to agree to this situation, lest the landlord find fault with it in the future.

3. If the commodity building leaks. Since the roof is shared by the public, it is the responsibility of all owners. If the water leakage is not serious, minor repairs can be made, and then all owners will discuss the sharing of maintenance costs, and after reaching an agreement, they will collect money to find a property to repair it. If the water leaks badly, such as the roof cracking, it needs to be overhauled. First, apply for overhaul fund. If you apply, the owner will not have to bear the maintenance fee himself.

Extended data:

1. The roof is the envelope and load-bearing structure covering the top floor of the house, and one of its main functions is to "shelter from the wind and rain". According to different drainage slopes, roofs can be divided into flat roofs and sloping roofs. Generally, the slope of flat roof is below 10%, the most commonly used slope is 2~3%, and the slope of sloping roof is above 10%.

2. Since 1960s, in order to reduce the self-weight of the roof, reduce the project cost and improve the degree of prefabrication and assembly of the roof, the reinforced concrete flat roof has been generally changed, and prefabricated round hole roof panels and cast-in-place reinforced concrete roof panels have been adopted. Flat roof has the advantages of low cost, convenient construction, simple structure and simple appearance, and is suitable for building planes of various shapes and sizes. At present, this kind of roof is the most widely used.

3. In the process of building leakage control, due to improper measures, the effect is not good, and there are phenomena of annual leakage, annual repair, annual repair and annual leakage. In order to solve the problem of roof leakage, we have carried out research on the causes of roof leakage, treatment and maintenance methods, so as to improve the technical level of roof leakage treatment and improve the living and working environment.

References:

Baidu encyclopedia-roofing waterproof engineering