Delta insulation came to me in an emergency. They needed a logo that day when their previous graphic artist was not producing the results they needed. A simple clean logo that represented power without being harsh was chosen.
The concepts show that a basic idea was settled on but not decided how exactly it was to be used. Colors were played around and the orientation of the triangle was tweaked until finally revised to show the triangle pointing to the front of the vehicle that would be used by the employees.