Review meeting of CCPA standard Lightweight Cement-based Sealing Mortar for Door and Window Frames was held by CCPA and CBMF on July 13, 2023. 24 representatives from scientific research and architectural design institutes, colleges and universities, industry associations, inspection body and laboratory, production enterprises and users attended the meeting, of which 16 were members of review committee.

The main drafter introduced the standard preparation process, the collection of comments and the test data that support the main technical requirements in the standard. The review committee reviewed all the documents, examined the standard text word by word and put forward revisions. The review committee made conclusions that technical indexes are advanced and applicable and the standard reaches domestic advanced level in general. Finally, the CCPA standard was approved by unanimous approval.

On the basis of domestic research and basic experimental verification, Lightweight Cement-based Sealing Mortar for Door and Window Frames has established the definition and classification of lightweight cement-based sealing mortar for door and window frames, and specified technical indicators such as apparent density and impermeability performance of the product. The implementation of this standard can promote the application of lightweight cement-based sealing mortar for door and window frames, and improve the quality and efficiency of door and window joint filling construction.