Paste the culture of stone mortar into the construction site after the need to do material re-examination?
As for the mortar test block, then look at the side of the side of the side of the United States, some places require, and some do not require
Commercial mortar raw materials do not have to do the re-test, but the factory certificate, factory inspection report, manufacturers send third-party testing reports, invoices and so must be complete
It is best to communicate with supervisors After all, the final data check is the quality supervision station inspection If the supervisor does not give advice Personal recommended mortar test block to send A mortar test block to check the cost is very cheap, and secondly to do a little bit of information always no harm