Committing to healthy chemistry has become the guiding principle for material selection and product design for Construction Specialties(C/S). MBDC works with C/S and its suppliers to inventory, assess, and optimize product lines. C/S is implementing a Cradle to Cradle® Optimization strategy to work towards a wholly positive impact on humans and the environment. Most Acrovyn® 4000 wall protection products have been optimized to eliminate toxicity hazards and have earned the distinction of Cradle to Cradle Certified™ Gold. Seventeen other products are Cradle to Cradle Certified™ Silver.