Hainan ban wall insulation system on-site preparation of slurry materials

As early as May 11 this year, the Housing and Construction Department of Hainan Province has forwarded the announcement of the Ministry of Housing and Urban-Rural Development on March 19 this year, clarifying that when using the wall insulation system and wall materials, it is forbidden to use various raw materials for matching in urban construction sites. . However, the reporter recently learned in interviews in Sanya and other places that individual construction sites are still using the prohibited technology in violation of regulations. A Sanya resort hotel clearly stated in its construction plan that a certain kind of thermal insulation coating additive was added to other coatings at the construction site and stirred evenly. In this regard, the relevant responsible persons of the Provincial Energy Conservation Science and Technology Department and the Ministry of Housing and Urban-Rural Science and Technology Development Promotion Center are all clear that it is forbidden to prepare slurry materials on the city site. If violations are found, they will be seriously investigated.

The quality of on-site pulping is difficult to control and energy saving is difficult to guarantee

A few days ago, the reporter received a complaint from the mainland buyer, Mr. Li, reflecting that a resort hotel located in downtown Sanya, the building's external wall energy-saving uses the on-site slurry material that has been banned. They may add some kind of "insulation coating additive" to other coatings and stir them on site. Mr. Li is also a member of the construction industry and is very concerned about building energy efficiency. He is worried that this kind of on-site insulation coating can not be controlled, affecting the quality of the project, and it will be difficult to pass the inspection in the future. The residents will also be affected for a long time. After learning about this situation, the reporter rushed to the site of the site because there was no construction in the rainy days.

In order to understand whether there is illegal construction in the construction site, the reporter went to the local construction department to understand the situation. The reporter found from the construction plan submitted by the energy-saving construction party of the project on August 15 this year that the construction practice of the project is “according to the actual situation on site. Adding thermal insulation coating additives during the construction process, adding them to the nationally qualified coatings at the construction site, and mixing them evenly, this practice is prohibited by the state and our province.

The reporter then interviewed a Hainan agent of a famous foreign brand paint. He said that the previous additive mixing method was very common, but it was easy to cut corners and shoddy. In analyzing the reasons for the resurgence of this phenomenon, he believes that the propaganda of the energy conservation policy regulations still needs to be improved. The owners or managers of a few projects are not very familiar with the regulations in this respect; secondly, they may be driven by interests. Developers or construction units are lucky enough to use cheap energy-saving materials to cut corners and attempt to get rid of them.

Market prospects such as heat insulation and reflection energy-saving coatings are good

It is understood that the market prospects for wall insulation systems and wall materials are very large, and the implementation of new national regulations may have a profound impact on the future market. According to China's "Twelfth Five-Year Plan", China's new wall material production will account for more than 65% of the total wall material, and the building application ratio will reach more than 75%. To this end, China will speed up the development of building insulation systems and materials that integrate the functions of heat preservation, fire prevention, noise reduction, decoration, etc., with the same life. Hainan Province's “Twelfth Five-Year Plan” energy-saving and emission reduction overall implementation plan also stipulates that by 2015, 100% of the new building design stages in the city's urban planning areas and towns and farms will implement national and provincial energy-saving standards, and construction energy conservation during construction. The standard implementation rate is over 90%. New materials such as building reflective insulation coatings are expected to spur the huge market potential of building energy conservation. The reporter learned that some enterprises in Hainan that have been engaged in insulation additives for exterior walls are also undergoing transformation. For example, Hainan Jinniujiao Technology Co., Ltd. has been promoting US surplus-speed granular additives since 2008, but this year it was issued by the Ministry of Housing and Construction and the Provincial Housing and Construction Department. After the announcement, the promotion and use of the profitable particle additive technology was stopped, and the finished building reflective heat-insulating coating was promoted.

In an interview with reporters, Qu Hongle, director of the Science and Technology Development Promotion Center of the Ministry of Housing and Urban-Rural Development, told the reporter that the Ministry of Housing and Urban-Rural Development issued the "Announcement on the Release of the Application and Limitation of Wall Insulation Systems and Wall Materials and the Prohibition of Practical Technologies" on March 19 this year. It is clearly stated that “the slurry material is prepared on site, and various raw materials are used in the construction site to match the ratio. The quality of the product is difficult to control, affecting the quality of the project and prohibiting application in the city”. All localities should organize the construction, design, construction, supervision, quality supervision, construction drawing review and other units in the area in a timely manner, earnestly study the "Technical Bulletin", accurately understand and grasp the relevant content, and strictly implement the technical provisions of the "Technical Bulletin". As for the development prospects of this industry, he said that in addition to the new wall materials, the Ministry of Housing and Urban-Rural Development will promote the use of high-strength steel, high-performance concrete, fire-proof and thermal insulation properties of building energy-saving materials and other green building materials, etc. For the better. According to the previous proposal of Qiu Baoxing, deputy director of the Ministry of Housing and Construction, by 2020, China’s investment in energy-efficient construction projects will reach at least 1.5 trillion yuan.

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