-
In 2004 Irvin had an idea. Maybe, he thought, he could help builders save time and money by sharing his knowledge of construction compounds. Provide them with a “missing manual” (so to speak) for the products they used every day.
Problem was, Irvin was a chemist, not a businessman. So he hired some help.
Original price was: $199.00.$38.00Current price is: $38.00.
