Explore IDNLearn.com to discover insightful answers from experts and enthusiasts alike. Our platform is designed to provide reliable and thorough answers to all your questions, no matter the topic.

You need to construct a plenum for a new residential air handler that you are installing. The 22" by 24" output of the air handler dictate your depth and height. The size and number of the ducts determines the minimum length of 8.5'. How many sheets of 4' by 10' by 1" duct board will you need for the job, remember to add 10% for waste to your estimate.