In Japan, building materials used for principal building
parts, etc. must either conform to the standards specified in the Building
Standard Law (BSL), or must have ministerial approval.
The Building Center of Japan (BCJ) conducts Performance Evaluation of Building Materials.
The outline of evaluation procedures performed at BCJ is as follows;
BCJ carries out performance evaluation of 19 different building materials.
A meeting is held between the client and BCJ prior to application for performance evaluation. Please consult us regarding the information required on the application and the submission of the required documents.
Documents necessary for the application, which must be prepared by the client.
The documents mentioned above must be mailed to, or submitted in person to the Structural Safety Section of the Technical Appraisal Department, where they will be checked. All of the documents must be included in order for the application to be accepted.
The committee decides whether or not to accept the application and the schedule for subcommittee meetings.
The client attends the subcommittee meeting to explain the documents and to answer questions from the evaluator, as part of a detailed examination process.
A committee meeting is held in order to review and evaluate the material. The committee considers the application on the basis of the evaluator’s report.
1) Submission of the completed documents; The completed documents which include all corrections and additions based on the results of the Committee Meeting must be submitted to us.
2) Evaluation certificate issuance; A performance evaluation certificate will be issued if the material is deemed to ensure the specified performance based on the results of the Committee Meeting.
This flowchart shows the basic procedure
for application for Performance Evaluation Procedure for Building Materials.
For detailed information on the procedure and evaluation method, please refer to: