High-performance water repellent admixture system for Architectural or Standard Block and Mortar that provides a high level of resistance to wind-driven rain, as well as significant efflorescence control and strong enhancement of color from ACM Chemistries.

The RainBloc Integral Water Repellent System
RainBloc is an additive incorporated during the concrete masonry unit manufacturing process and during masonry construction that improves water resistance for your masonry projects.

RainBloc Additive for Concrete Masonry Units
Concrete masonry units produced with the RainBloc Integral Water Repellent System resist water penetration because they are:

•		Treated in conjunction with your manufacturing process
•		Tested and certified
•		Monitored for continued compliance

Water repellent concrete masonry units manufactured with RainBloc resist wind-driven rain and moisture penetration while allowing vapor transmission.

Product Features
RainBloc features improve water resistance:

•		Polymeric-based
•		Permanent
•		Durable for the life of the masonry structure
•		Integral part of concrete units and mortar enabling full-thickness water penetration protection

Benefits of Using RainBloc
Water repellent concrete masonry units produced using RainBloc:

•		Resist Mold and Mildew
•		Improve masonry colors
•		Offer efflorescence stain resistance
•		Protect against cracks

RainBloc Additive for Mortar
RainBloc for Mortar is a liquid admixture used at the masonry construction site to make mortar. RainBloc for Mortar should be used in concrete and clay exterior masonry wall construction.

RainBloc for Mortar's pre-measured containers make addition by the mason contractor easier.