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CertainTeed Corporation
P.O. Box 860
Valley Forge, PA 19482-0101
610-341-7000
www.certainteed.com/pressroom
News
FOR MORE INFORMATION CONTACT:
Michael Reisman
Public Relations Administrator
Office (610) 341-6957
[email protected]
www.certainteed.com/pressroom
FOR IMMEDIATE RELEASE
July 07, 2003
CertainTeed Pipe Products Achieve High marks for durability and water conservation
(Valley Forge, Pennsylvania) – The results of two independent laboratory tests show that
CertainTeed Corporation's innovative PVC Irrigation Piping System achieved superior product
performance over its aluminum counterpart.
In a test conducted by the Center for Irrigation Technology (CIT), California State University in
Fresno, California, results show that Certa-Set™, an above ground portable piping system,
significantly reduces water loss when tested against conventional aluminum irrigation piping.
CIT results showed that Certa-Set's operating efficiency was nearly 95 percent. Standard
aluminum irrigation pipe has an average operating efficiency of 86 percent. The CertainTeed
Certa-Set piping system reduces total water loss by 62 percent.
Reducing water loss will be a tremendous benefit to the row crop and turf grass growers who
are competing with urban development for limited water resources. In addition, less water loss
Roofing  Siding  Windows & Patio Doors  Insulation  Fence  Decking  Railing  Foundations  Pipe
will reduce the grower's costs by eliminating the practice of digging water containment ditches.
Certa-Set's reduced water loss can be attributed to a watertight hydraulic pressure seal where
pipe laterals connect to the CertainTeed patented sled coupling. According to Edward Norum,
P.E. and Agricultural Engineer at CIT, the operating efficiency of Certa-Set results in the actual
62 percent reduction in total water loss. “This represents a significant savings to the grower,”
says Norum. Certa-Set was developed in conjunction with Golden State Irrigation, an exclusive
CertainTeed pipe distributor with several locations in the in the west.
CertainTeed's Certa-Lok™ Yelomine Pipe also performed remarkably well in a test conducted
by Hauser Laboratories, a testing laboratory in Boulder, Colorado. The test, which used
thirteen-year-old 8” Certa-Lok Yelomine Pipe, illustrated that Certa-Lok still passed original
manufacturer's specifications even after prolonged exposure to fertilizers, fungicides and intense
ultraviolet sunlight. Certa-Lok Yelomine pipe can be used for a broad range of piping
applications including mining and industrial and can be used in above ground or exposed
applications as well as underground applications.
CertainTeed's irrigation piping systems are manufactured from polyvinyl chloride and will not
pit or corrode like aluminum pipe can. “Growers who use CertainTeed's irrigation piping system
don't need to worry about the effects of corrosion on their irrigation system,” says John Schultz,
Yelomine marketing manager for CertainTeed's Pipe and Plastics Group. In addition, the resin
compound used for Certa-Set and Certa-Lok pipe is specially formulated with ultraviolet
inhibitors and impact modifiers to reduce the harmful effects of prolonged sunlight exposure.
CertainTeed Corporation
P.O. Box 860
Valley Forge, PA 19482-0101
610-341-7000
www.certainteed.com/pressroom
The Certa-Set and Certa-Lok pipe as well as all CertainTeed well products are manufactured in
facilities registered under the ISO 9002 quality system.
CertainTeed Corporation is a leading North American manufacturer of building materials
including roofing, siding, insulation, windows and patio doors, fence, decking, railing,
foundations and pipe. The company is headquartered in Valley Forge, Pennsylvania, and has
approximately 7,000 employees and more than 40 manufacturing facilities throughout the
United States. The company had sales of approximately $2.5 billion in 2002.
www.certainteed.com
…
Roofing  Siding  Windows & Patio Doors  Insulation  Fence  Decking  Railing  Foundations  Pipe