Linkedin Youtube Facebook-f Twitter
1-800-245-6379

Lab Testing

AASHTO NTPEP

AASHTO NTPEP DataMine for Structural Steel Coatings – Its Value and Use

Bridges, Coatings, Lab Testing /

Introduction The American Association of State Highway and Transportation Officials (AASHTO) is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the District of Columbia, and Puerto Rico. It represents all five transportation modes: air, highways, public transportation, rail, and water. Its primary goal is to foster the development, operation, and […]

AASHTO NTPEP DataMine for Structural Steel Coatings – Its Value and Use Read More »

specification

Contradictory Information in a Project Specification – F-Files: Mechanisms of Failure

4 Comments / Coating Failure, Coatings, Lab Testing /

The wastewater industry poses some of the most significant corrosion protection challenges for industrial protective coatings. In this case study, coating failure in the form of peeling and delamination (on concrete) and blistering (on steel) was observed on the interior of a digester at a wastewater treatment facility after only five years of service. Removal

Contradictory Information in a Project Specification – F-Files: Mechanisms of Failure Read More »

coating failure analysis

Coating Failure Analysis Series – Part 6 – Laboratory Forensic Analysis

3 Comments / Coating Failure, Coatings, Concrete Floors, Lab Testing, Video /

This is a six-part video series that demonstrates the field and laboratory methods that were used to determine why a new coating system applied to a previously painted concrete floor had failed. Each part is standalone, addressing a different aspect of the evaluation, but when viewed in order, they present a systematic step-by-step process for

Coating Failure Analysis Series – Part 6 – Laboratory Forensic Analysis Read More »

pre-testing coatings

Can Pre-Project Coating Testing Lead to Post-Application Performance?

Coating Standards, Coatings, Lab Testing /

Many agencies and facility owners require coating testing of products and systems prior to their use on a coating project. This is not an original concept; developing a qualified products list (or QPL) is becoming more commonplace, as not all coatings and coating systems are created as equals, even if they are in the same generic

Can Pre-Project Coating Testing Lead to Post-Application Performance? Read More »

bolted connections

Painting Bolted Connections for Bridges

4 Comments / Bridges, Coating Standards, Coatings, Lab Testing, Specifications /

High-strength bolts have been used to assemble steel structures for over 60 years, supported by research conducted by the Research Council on Riveted and Bolted Structural Joints (RCRBSJ). RCRBSJ was founded in 1947 but is now known as the Research Council on Structural Connections (RCSC). Despite the long history of use, there is still confusion

Painting Bolted Connections for Bridges Read More »

F-Files: Mechanisms of Failure- Failure at the Jail

4 Comments / Buildings, Coating Assessment, Coating Failure, Coatings, Commercial, Concrete Floors, Lab Testing /

This article describes the failure of coatings applied to the concrete floors of a county detention facility. The structure is a multistory building with modular cells and concrete floors on each inmate level. The main structural floors were constructed of lightweight aggregate and the mezzanine floors constructed of a normal-weight aggregate. The facility was relatively

F-Files: Mechanisms of Failure- Failure at the Jail Read More »

Coating Performance

What You See Isn’t Always What You Get: The Problem with Aesthetics

1 Comment / Bridges, Coating Assessment, Coating Failure, Coatings, Lab Testing, Tanks /

As a group, coating professionals who deal mainly with industrial coatings generally focus on coating performance — the majority of concern being focusing on a coating’s ability to protect the substrate from the environment — and in the case of tank linings, to protect the tank contents from the substrate. Although these are certainly important

What You See Isn’t Always What You Get: The Problem with Aesthetics Read More »

Fireproof Coatings

Diagnosing Failure in Fireproofing [Intumescent Coatings]

6 Comments / Coating Assessment, Coating Failure, Coatings, Fireproofing, Lab Testing /

The project specification for a recent building addition at a pharmaceutical manufacturing facility required that much of the structural steel be fireproofed. Fireproofing in this instance meant the application of a fire-resistive or intumescent coating. Intumescent coating products are designed to passively protect substrate materials—typically steel—from reaching combustion temperatures. These coatings function by charring and

Diagnosing Failure in Fireproofing [Intumescent Coatings] Read More »