Concrete is porous and it needs to breathe to let moisture escape. When applied at the manufacturer’s recommended rate, most concrete sealers will remain breathable. However, a blushing problem can occur when sealers are over-applied or reapplied too often. Blushing is a white film that forms when moisture is trapped between the concrete and the sealer.
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Portland Cement Association Shepherd named director of sustainable development
Portland Cement Association has named David D. Shepherd, AIA, as Director, Sustainable Development. In the newly created position, Shepherd will be responsible for developing and promoting sustainable applications for cement and concrete. A registered architect, Shepherd joined PCA in 2000 as manager of residential technology and was responsible for coordination […]
ChemRex changes name
ChemRex will change its name to Degussa Building Systems as of Jan. 1. The company’s brands and products include Sonneborn, Thoro, MBT Protection and Repair, ThoRoc, Hydrozo, SELBY, UCRETE, and Radiance. The company has recruited a new team of senior executives to head up the company. Heading the team is […]
National Ready Mixed Concrete Association NRMCA partners with OSHA for safety
Workers in the ready mixed concrete industry will benefit from a partnership agreement signed Nov. 4 by the Occupational Safety and Health Administration (OSHA) and the NRMCA. Among the goals of the partnership are a 30 percent reduction over three years in the total case incident rate (TCIR) for member […]
Sealer keeps water out
Okon W-2 economically seals regular concrete block and other moderately porous surfaces such as old weathered brick and heavily textured stucco. Offering superior water repellent performance, it is formulated with a proprietary blend of the highest quality acrylic micro-emulsions and a silanesiloxane solution. The micro-emulsions penetrate the surface to establish […]
New facility for Grace/Pieri release agents opens in France
Grace Construction Products has opened a new production facility in Larnaud, France, for its Grace/Pieri release agents. The new plant enables Grace to increase sales of release agents around the world, manufacture the products with higher flexibility, and speed delivery time to customers. Operations in Larnaud are designed to reach […]
Hacker debuts sound control products
Firm-Fill 3310, a new gypsum concrete underlayment, and Hacker Sound Mat II, an environmentally friendly and costefficient new sound mat, are now included in 82 UL listings and available nationwide from Hacker Industries, Inc. The UL listings detail floor assemblies utilizing a Hacker Floor underlayment as an integral component to […]
Countertop vibration system produces dense finish
The new Vibra-Beam Countertop System is a state-of-theart, patent-pending countertop vibration system. This lightweight system can be attached to any standard sawhorse to create a highquality vibration table that produces an extremely tight, dense and void-free finish. The Vibra- Beam is ideal for both new construction and remodeling contractors. Available […]
Mapei beefs up decorative concrete division
Gary Powell has been named Mapei’s new Concrete Repair Systems Terrazzo Specialist. Powell will be in charge of product development, marketing and sales of the company’s new decorative concrete topping, Terratop Terrazzo. This topping allows for thin installations, which makes it much lighter than traditional cement terrazzo. It has a […]
Versatile Building Products moves to larger facility
Versatile Building Products is relocating to a 28,000-squarefoot facility in Carson, Calif., thereby tripling its capacity for inventory space. The company has realized growth rates of well over 100 percent in 2003. “One of the differentiating factors that our company holds is our product availability,” says Mike Meursing, president of […]
