"Green" cement

As a member of the global community, and a leader in the U.S. cement industry, Holcim (US) Inc., is committed to supporting sustainable development. In keeping with that commitment, the company launched the Envirocore family of environmentally friendly products and website envirocore.us—a portal for sustainability, green building, and environmental issues. Holcim’s Envirocore products are targeted to increase eco-efficiency by producing goods and services using less energy and fewer raw materials while generating less waste and pollution.
Holcim (US) Inc.
www.holcim.com/us

Synthetic fibers

Grace Construction Products announced that its STRUX 90/40 synthetic macro fibers have received classification from Underwriters Laboratory (UL) for use as an alternate or in addition to welded-wire fabric for 1-, 1-1/2-, and 2-hour fire rating, Floor-Ceiling D700, D800, and D900 Series Designs (fibers added to concrete mix at a rate up to a maximum of 5 pounds of fiber for each cubic yard of concrete).
This classification means that STRUX 90/40 has undergone evaluation by UL and complies with ANSI/SDI code provisions for fibers to replace welded-wire fabric specified for temperature and shrinkage reinforcement. Applications covered by this classification include composite metal deck systems.
Grace Construction Products
www.na.graceconstruction.com

Silica fume guide

The American Concrete Institute announces the availability of the new publication 234R-06: Guide for the Use of Silica Fume in Concrete. This report describes the physical and chemical properties of silica fume; how silica fume interacts with portland cement; the effects of silica fume on the properties of fresh and hardened concrete; recent typical applications of silica-fume concrete; how silica-fume concrete is proportioned, specified, and handled in the field; and areas where additional research is needed.
The American Concrete Institute
www.concrete.org



Hydrophilic waterstop

OCM, Inc., offers Adeka Ultra Seal, a new-generation waterstop for construction joints, cold joints, or segment seals. The product is designed to stop water penetration based on an understanding of the mechanism of water leakage. Adeka Ultra Seal is a double-locking hydrophilic waterstop that has controlled expansion when exposed to water, and excellent elasticity.

The P201 product is one of the most versatile of the Adeka products. P201 is a waterstop paste that is packaged in an 11-ounce tube. One of the innovative features of the P201 product is that it adheres to concrete, metals, glass, PVC, and fiberglass. P201 can be used in many different applications, such as pre-cast concrete use, piping penetrations, sheet pile interlock, rough surfaces, and crack repair.
OCM, Inc.
www.ocm-inc.com