roofing material takeoff 20

https://zulu-wiki.win/index.php/How_a_Roofing_Squares_Calculator_Saves_Time_and_Waste_on_Your_Next_Project

Doing a roofing material takeoff means counting every shingle, underlayment roll, flashing piece, and ridge vent needed for a job. You start by measuring roof planes and slopes, then factor in waste, overlaps, and local code requirements. It's tedious but critical—order too little and the job stalls; order too much and you eat the cost.