A 4 1/2″ OD pipe must be insulated with a 2″ thick pipe insulation. The pipe is 90′ long and the insulation cost is $1.50 per square foot of pipe surface area. The total cost of the 2″ insulation material needed for the 90′ of 4 1/2″ pipe is approx:

A 4 1/2″ OD pipe must be insulated with a 2″ thick pipe insulation. The pipe is 90′ long and the insulation cost is $1.50 per square foot of pipe surface area. The total cost of the 2″ insulation material needed for the 90′ of 4 1/2″ pipe is approx: