![]() ![]() Customers can choose from a comprehensive line of concrete design options. ![]() Our masonry products offer: recycled content, increased energy efficiency, low life-cycle costs, improved air quality, better acoustical environments and improved safety and security compared to other materials. Oldcastle APG is committed to the continual development of high-quality products that facilitate green design and sustainability, creating products that have less environmental impact and lower life-cycle building costs. + Leed® Materials and Resources Credits for Recycled Materials MR 4.1 and MR 4.2.The NCMA/CTL Group final test summary has been published, and is available from Oldcastle APG. Oldcastle APG has conducted extensive research and testing with the Concrete Technologies Laboratory (CTL Group) in Skokie, Illinois and the National Concrete Masonry Association Research and Development Laboratory (NCMA) in Herndon, Virginia. Specifying Chicago Green can make a significant contribution toward achieving LEED® Materials and Resources Credits for Recycled Materials 4.1 and 4.2. The recycled content in each single 4-inch cmu is equivalent to 8 glass bottles. The glass aggregates are then incorporated into the masonry unit mix designs.Ĭhicago Green masonry units deliver excellent performance, and consistent high-quality that exceed industry standards.Įach 4-inch Chicago Green concrete masonry unit (cmu) contains up to 20% post-consumer recycled glass aggregate (by weight). The glass is first sterilized at high heat temperatures, and then ground by a proprietary process into very fine glass aggregates. Northfield works closely with the glass recycler to create a very specific aggregate gradation of glass. Recycled glass that originates from the City of Chicago’s waste stream can now be added to these masonry units. Unpainted block can exhibit random color variations and Smooth Face CMU is best suited for painted applications.įor more information on Mutual Materials CMU offering, please click here to contact our Commercial Sales team.Since early 2009, Northfield, a subsidiary of Oldcastle APG, a CRH company, has been investing in research and development to find the optimum recycled material to add to pre-finished concrete masonry units. Mutual Materials cannot guarantee color consistency from block to block and between different shapes for Smooth Face, colored CMU. While Mutual Materials can manufacture Smooth Face CMU, there can be variance in color due to the manufacturing process. The Mutual Materials website shows options for both Ground Face and Split Face CMU, which provides the most consistency in color. ![]() If rainwater seeps past the exterior face of the wall, the RainBloc system’s water repellent properties minimize the amount of water that can be absorbed into the concrete, causing any water inside the wall to flow to properly-installed wall flashing and weep holes.įor more information on the RainBloc system, please contact a Mutual Materials sales representative. The RainBloc anti-wicking feature ensures that masonry units and mortar strongly resist water absorption. A full-wall thickness water penetration protection system.Durable for the life of a masonry structure.RainBloc, a liquid admixture manufactured into our block, resists wind-driven rain while still maintaining vapor transmission, reducing the chance of mold, mildew, and musty smells from developing inside a building. accepts no liability or responsibility for the misuse of products purchased which includes, but is not limited to, improper installation and/or application of product.ĬONCRETE MASONRY WITH INTEGRAL WATER REPELLENTĪll colored Mutual Materials manufactured concrete masonry units now come with RainBloc ®, an integral water repellent. Note: Many of our concrete masonry units are special order items that require a minimum order quantity. Mutual Materials concrete masonry units meet ASTM C 90. Mutual Materials CMU conforms to the standards for load-bearing concrete masonry units as published by the National Concrete Masonry Association (NCMA) and meets or exceeds ASTM C-90 specifications.Įxplore the many options for architectural design and construction that Mutual Materials CMU and blended CMU give to your project. Mutual Materials can blend CMU colors at the plant saving you time and money. ![]() Consider blending CMU colors to meet your specific design needs. As one of the world’s most durable, economical and functional building materials, Mutual Materials Concrete Masonry Units (CMU) come in a wide range of colors, shapes and textures. ![]()
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