Legal analysis:

The waterproofing project for commercial house floors, waterproof toilets, and room exterior wall leakage prevention is for 5 years. Developers should be responsible for the quality of commercial housing sold. The parties agree on the warranty scope, warranty period, warranty liability, etc. in the contract. The house warranty period refers to the period during which the property development and construction unit assumes warranty responsibility for the owner after the property is delivered for use. The warranty period of commercial housing shall not be less than the duration of the warranty period stipulated in the quality warranty letter issued by the construction project contractor to the real estate developer. The real estate developer has warranty responsibility for the home purchaser, but it is the construction project contractor who actually undertakes the warranty work. Warranty The period is based on the time promised by the construction project contractor to the real estate developer. The warranty period is calculated from the date of delivery. If the house leaks during this period while the owner is living in it, he should claim compensation from the developer and require repairs. The project warranty period should start from the moment the house is delivered and should be reflected in the house purchase contract

Legal basis:

Article 40 of the "Construction Project Quality Management Regulations" under normal use conditions Below, the minimum warranty period for construction projects is:

(1) Infrastructure projects, foundation projects and main structure projects of housing construction, shall be the reasonable service life of the project specified in the design documents;

(2) Leakage prevention for roof waterproofing projects, bathrooms, rooms and exterior walls with waterproofing requirements, for 5 years;

(3) Heating and cooling systems, for 2 years A heating period and a cooling period;

(4) Electrical pipelines, water supply and drainage pipelines, equipment installation and decoration projects, for 2 years.

The warranty period of other items shall be agreed upon by the contractor and the contractor.

The warranty period of a construction project shall be calculated from the date of completion acceptance.

Derived questions:

Who should I contact if there is a problem with the house after the warranty period?

If you have problems with a house that has passed the warranty period, you can contact the owners committee or the property management unit. The exclusive parts of the house are repaired by the owners themselves. The exclusive parts of the house or the most common facilities and equipment can apply for the use of the special residential public maintenance fund, which will be reviewed and approved by the construction and real estate authorities or the owners' meeting.