Development history of China’s precast decoration standard system
In 2014, Beijing issued a policy requiring some public rental housing projects to implement precast decoration.
In view of the short life of housing caused by the housing construction mode in China at that time On the basis of absorbing the characteristics of support and open architecture theory, and drawing on the development experience of KSI housing in Japan and European and American housing construction, a new type of housing architecture system with Chinese housing industrialization characteristics has been established due to the problems of large energy consumption, serious quality problems and waste of secondary decoration.
As of 2018, precast decoration has been implemented in new public rental housing projects across the city.
02 The second stage (2014-2019): the practice stage of precast decoration.
Since 2010, the country has successively issued policies to accelerate the development of housing industrialization.
13 01): the residential industrialization phase.
Under this development situation, in order to standardize the application of precast kitchen and bathroom and ensure the project quality, the Ministry of Housing and Urban Rural Development successively issued three industry standards in December 2018, namely, Technical Requirements for Fabricated Kitchen and Bathroom Wall Panels (JGT533-2018), Technical Standards for the Application of Fabricated Integrated Kitchen (JGJT477-2018) and Technical Standards for the Application of Fabricated Integrated Toilet (JGJT467-2018).
However, the precast decoration was not included in the construction industry standard system at that time.
Also in this year, the Housing Industrialization Promotion Center of the Ministry of Housing and Urban Rural Development organized the preparation of the CSI Technical Guidelines for Housing Construction (Trial), which proposed the CSI housing system, namely, the housing construction system with the separation of support and filler.
With the release of No.
The precast decoration standards have begun to receive attention from various regions.
Since 2020, Sichuan, Hunan, Jiangsu, Shaanxi and other provinces have issued 10 local standards for precast decoration, Chengdu and Chongqing have issued guidelines, and some provinces and cities have issued draft for comments or put their preparation plans into the 14th Five Year Plan of the construction industry.
With accumulated practical experience in public rental housing projects, Beijing took the lead in releasing precast decoration landmarks.
In the context of the industrialization of new buildings, precast decoration has obvious advantages, and various regions have begun to encourage the promotion of precast decoration.
By sorting out the release time and content of the precast decoration standard, we can sort out that the development process of China’s precast decoration standard system is mainly divided into three stages: the residential industrialization stage, the issuance of CSI technical guidelines, and the proposed residential building system with Chinese residential industrialization characteristics; In the stage of practice of precast decoration, the first landmark will be released based on experience; In the development stage of precast decoration, provinces and cities across the country have issued local standards to fill the gap in local precast decoration standards and improve the standard system of building industrialization.
The first landmark and kitchen and bathroom landmark will be released, with both supply and demand.
In August 2016, Shanghai issued a policy that requires 100% of the urban areas within the Outer Ring Road to be fully decorated, and 100% of the public rental housing to be fully decorated from 2017.
Correspondingly, in order to improve the standard system in the field of local engineering construction, various regions have also started to organize the preparation of standards.
In addition, Shanghai has also gathered enterprises with assembly decoration layout, such as full building, house shopping, open decoration, secco, and Zhongyu.
Shanghai will release the first domestic precast decoration landmark.
Figure: Distribution Map of Assembled Decoration Standards The first technical standard of the assembled decoration industry was released, sounding the horn of interior decoration industrialization..
03 The third stage (from 2020 to now): in the development stage of precast decoration, standards have blossomed in many places and many provinces and cities have successively issued standards and specifications, filling the gap in the field of precast decoration standards and specifications in various regions.
Based on the sustainability principle of the whole life cycle of the building, this landmark standardizes the implementation standards of the four links of design, construction, acceptance and quality maintenance of the wall top and ground, kitchen and bathroom, and equipment pipelines.
In 2020, the national precast decoration area will reach 71.88 million square meters, an increase of 9 times over 2018, with a rapid growth.
According to the national standard “Evaluation Standards for Fabricated Buildings”, the full decoration of the interior decoration has become a must, while integrated kitchens and integrated toilets have a clear scoring method, small area has little impact on the overall interior decoration, and there are many overall kitchen and bathroom enterprises that can meet the requirements, Integrated kitchen and bathroom has become a popular scoring item for developers to build precast buildings, and the demand for precast kitchen and bathroom has increased significantly.
With the support of policies and enterprise supply, Shanghai’s assembly decoration development ranks among the top in the country, In March 2018, the first domestic precast decoration landmark, Technical Standards for Residential Indoor Fabricated Decoration Engineering (DG_TJ08-2254-2018), was released.
Note: The standard formulation plan of the association comes from the first phase (2010-2013) of the first batch of association standard formulation and revision plan in 2022 (JBXZ [222] No.
The establishment of a residential building system with Chinese residential industrialization characteristics proposes a residential building system with Chinese residential industrialization characteristics.
The demand for precast kitchens and bathrooms has increased significantly, and the industry standards have been issued one after another.
71 Document of the State Council in 2016, China’s precast buildings have entered a stage of rapid development.
Based on four years of experience in public rental housing assembly decoration projects and the preparation of early enterprise standards, in order to standardize the implementation of Beijing residential building interior assembly decoration projects and promote the transformation and upgrading of the construction industry, Beijing Affordable Housing Center, together with Beijing Heneng Renju, compiled the Beijing landmark Technical Specification for Residential Building Interior Assembly Decoration Projects (DB11/T1553 - 2018), which was released in June 2018, Implemented in October of the same year.
China’s precast decoration industry started late.
Up to now, the one-stop industrial service platform for precast decoration has successively prepared and released nearly 20 standards related to precast decoration nationwide, including 6 industrial standards and guidelines issued by the Ministry of Housing and Urban Rural Development, 12 local standards issued by Beijing, Shanghai, Hebei, Hunan and other provinces and cities, and 2 guidelines issued by Chongqing and Chengdu.