Could Vapor Intrusion Be a Problem in Your Building?

Vapors from Fuels, Oils, and Solvents Can Cause Negative Health Impacts and Sometimes Pose Safety Hazards. Vapor intrusion into buildings was first identified in the 1980s as concerns over radon gas intrusion grew.  Since then, there has been an increasing concern that vapor-forming petroleum hydrocarbons and chlorinated solvents could threaten indoor air quality and human […]


CTL Engineering Acquires Vector Engineers

CTL Engineering is proud to announce the acquisition of Vector Engineers.  With this acquisition, CTL now has 13 branch offices in six states.  Read more and meet the team!

David Ley Joins CTL Engineering

Dave Ley, Project Manager CTL Engineering

CTL Engineering, Inc. (CTL) is excited to announce the addition of David Ley, P.E., to its team. As a Construction Management Project Manager in CTL’s Columbus, OH office, David will be instrumental in expanding CTL’s client base in Central, Western, and Southwest Ohio. 

Corrosion Under Insulation

ctl engineering corrosion under insulation

An essential but hidden challenge facing owners and operators of facilities that have insulated piping or other insulated equipment is preventing or remediating corrosion of the metal surfaces under the insulation. Corrosion under insulation (CUI) is a recurrent problem for owners and operators of facilities such as power plants, commercial buildings, educational campuses, or any […]

Pioneering the Use of Drones for Roof Inspections and Thermal Imaging

Pioneering the Use of Drones for Roof Inspections and Thermal Imaging

Before the widespread use of drones, facade inspections and roof inspections were performed by climbing the exterior wall or dropping down a scaffold from the top of a building. Roofs can be particularly dangerous to inspect because they have a variety of elevations which require that an inspector climb multiple areas, quickly adding both time […]



We do some pretty good things! Department Managers and Branch Managers give WOW points to employees who they feel deserves extra recognition. These employees go above and beyond their call of duty to provide excellent service to their clients and coworkers.

A Letter From CK Satyapriya: Spring 2019


A Russian Philosopher once said that people could endure poverty, degradation, and abuse, but not change. Some choose to suffer rather than change. When we recognize that change is a constant, it has the power to accelerate us forward.

Fall Protection Anchor Testing

A boatswain chair is commonly used for cleaning windows and performing exterior maintenance on multi-story buildings. But if you Google “window washers stranded mid-air” you will find pages and pages of news stories involving people hanging from rope descent systems on high-rise buildings around the world. If you dig a little deeper, you’ll find a […]

Credibility Is a Key Component of Concrete Testing

CTL Concrete Slump Test

Concrete is an amazing invention. The very idea of forming and pouring a liquid that turns to stone is nothing short of extraordinary. And because concrete is versatile and readily available, it is often the first choice for many construction projects. Concrete has numerous benefits in a building project. Concrete can insulate a building. It […]