,it must dry within 4 hours at 25 . When bring mortar block painted with Joint Sealer link with sample of joint sealer, ,that qualified a quality testing.Then test a bond strenght by testing cracking,separation or opening deep more than 6.4 mm. at any points between mortar block during testing.
| Joint Sealer should be able to infiltrate well into riddled holes of concrete.When pave it on concrete surface |