Whose responsibility is the wall cracking and leaking?

Legal analysis: if the roof leaks and the waterproof layer of the external wall is damaged, if the house is under warranty (the warranty period of roof waterproofing is five years), the developer will instruct the construction unit to carry out maintenance; Beyond the warranty period, the property shall apply for the use of special housing maintenance funds for maintenance; If there is no entrusted property, all owners of the building shall bear the maintenance responsibility.

Legal basis: Article 7 of the Measures for Quality Warranty of Housing Construction Projects. Under normal use, the minimum warranty period of housing construction projects is:

1. Foundation and main structure engineering, and the reasonable service life of the engineering specified in the design documents;

Secondary roof waterproofing works, bathrooms, rooms and external walls with waterproof requirements, 5 years;

(3) The heating and cooling system consists of two heating periods and cooling periods;

Four electrical systems, water supply and drainage pipelines, equipment installation for 2 years;

5. The renovation project lasts for 2 years.

The warranty period of other projects shall be agreed by the construction unit and the construction unit.