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Shanghai plans to cancel traditional external thermal insulation system with thin plastering

Views:1     Author:Site Editor     Publish Time: 2020-07-01      Origin:Site

On June 28, the Shanghai Municipal Housing and Urban-Rural Development Commission website published the "Catalogue of Materials for Construction Projects Prohibited or Restricted from Production and Use in Shanghai (Fifth Batch) (Draft for Comment)", and the thin-plastered exterior insulation system will soon be withdrawn Shanghai market.
This catalogue involves four external walls of external insulation, of which the first is the most influential:
1. The construction site adopts cement or anchor bolts and a combination of two methods of construction technology. External wall external insulation system (except for thermal insulation and decoration integrated panels). It is forbidden to design and use the main insulation system on the outside of the external wall of newly built, reconstructed, or expanded construction projects. .
In other words, except for the thermal insulation decorative composite board, the remaining traditional external wall thin plaster thermal insulation system will be excluded, in addition to the EPS (polystyrene board), XPS (extruded plastic board), PUR (Rigid foam polyurethane board), PIR (polyisocyanurate board) thin plastering external wall external insulation system listed on JGJ144-2019, as well as confiscated PF (phenolic), rock wool board / strip, foamed ceramics, foamed cement, etc. The thin plastered external insulation system for thermal insulation materials, this world-famous form of thermal insulation in the world for nearly 70 years, is coming to an end in Shanghai.

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The other three articles include:
2. The external thermal insulation system of the outer wall of rock wool belt thermal insulation decorative composite board is prohibited to be used as the main thermal insulation system on the outside of the external wall of the newly constructed, reconstructed or expanded construction project.
3. The external insulation system of the outer wall of the thermal insulation decorative composite board with the burning performance of the thermal insulation board of grade B1 is prohibited to be used as the main thermal insulation system outside the external walls of newly built, renovated and expanded residential buildings over 27 meters and public buildings over 24 meters. And the area of ??the single block of the thermal insulation decorative composite board should not exceed 1 square meter, and the mass per unit area should not exceed 20kg/m2.
4. The insulation performance of the thermal insulation board is A-level thermal insulation decorative composite board external thermal insulation system. It is forbidden to design and use the main insulation system on the outside of the exterior wall of a building project of more than 80 meters that is newly built, renovated or expanded, and the single area of the thermal insulation decorative composite board should not exceed 1 square meter, and the mass per unit area should not exceed 20kg/m2.
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