August 20, 2010

Flaky Protective Coating Hits the Spot

by Bob Murphy

Sometimes when Sherwin-Williams develops and launches coatings to address specific market needs, down the road we find other markets can benefit from those product attributes.  That’s what happened with a rugged glass flake-reinforced amine epoxy coating and lining system that was originally intended for the demanding requirements of the marine and petrochemical markets. One of […]

June 8, 2010

Water/Wastewater Webinar Series

by Bob Murphy

On June 3rd, the Water/Wastewater Team of the Sherwin-Williams Company launched a series of Webinars dealing with a variety of topics related to the industry. The inaugural Webinar was lead by Bruce Snyder, Business Development Manager. Over 50 individuals logged in to participate in the Webinar titled Infrastructure Linings and Rehabilitation. His talk covered corrosion […]

January 7, 2010

Time has come today!

by Bob Murphy

As I travel across the country meeting with water utility operators I am often asked, How fast can I put your coating into immersion service?. For years the answer has been 5-7 days to allow the coating to cure properly before immersion into the wastewater system. The world today operates on a much faster time […]

December 3, 2009

Flake Filled Coatings

by Bob Murphy

This is a reprint of a blog originally posted in June of 2009 A favorite quote for me comes from “Corrosion Prevention by Protective Coatings”, written by Charles Munger.  Protective coatings “are the skin, over the skeleton, that both protects and beautifies the bone and muscle of the world’s essential structures”.  That is a good […]

October 19, 2009

MIC – a corrosive gas problem?

by Bob Murphy

Many continue to incorrectly refer to the deterioration of concrete sewer pipe as “a corrosive gas problem.” But the real culprit for concrete is MIC, a biogenic process when hydrogen sulfide gas and Thiobacillus bacteria (Thiobacillus is a small rod-shaped bacteria living in sewage or soil and oxidizing sulfur) interact; sulfuric acid is excreted with […]

October 12, 2009

WEFTEC ’09 Orlando

by Bob Murphy

Join thousands of water and wastewater professionals Oct. 11 to 14 at the Orange County Convention Center in Orlando, Fla., for the 82nd annual technical exhibition and conference, WEFTEC.09, sponsored by the Water Environment Federation (WEF; Alexandria, Va.). As the largest annual water and wastewater exhibition in the world, the event will feature more than […]

October 1, 2009

Coating Systems Help Protect Aging Wastewater Infrastructure

by Bob Murphy

Linings to Aid in Repair  of Aging Infrastructure * Afflicted by pipe failures, sewer backups and sewage spills, America’s wastewater infrastructure is clearly showing its age. Most municipal sewer systems are 75 to 100 years old, and nearly all are compromised to some degree by corrosion, overburdening and structural fatigue. Even as these existing systems […]

September 29, 2009

Visual Inspection: The Start of the Project

by Bob Murphy

Concrete as a building material has been widely used in the construction of water and wastewater facilities. Concrete is easy to place and form, and its lower cost and higher durability have made concrete a construction material of choice. Protecting concrete from the constant acidic attack of the waste stream has become a challenge for […]

May 27, 2009


by Bob Murphy

Corrosion is one of the primary factors causing deterioration of water and wastewater facilities.  From municipal water treatment plants to industrial waste treatment, corrosion is at work breaking down concrete and steel surfaces in clarifiers, piping, storage tanks and containment systems. Exposure conditions in wastewater facilities have become more severe. In particular, hydrogen sulfide gas […]