Anti-wicking features provide unsurpassed water repellency
Superior efflorescence control and improved color retention
Highly effective integral water repellent in single-wythe wall systems
Annual certification of RainBloc CMU producers through the RainBloc Certification Program ensures performance standards are met
Independent ASTM E514 testing confirms that RainBloc system walls achieved Class E or excellent rating for wind driven rain resistance - the highest rating possible.
