Renovation Budget Estimator Ballpark today. For an exact quote, request a free consult. Renovations Roofing Project type Kitchen remodel Bathroom remodel Room addition Whole home update Outdoor living Room size (sq ft) Finish level Basic Standard Premium Calculate Request a FREE Consultation with one of our Highly Trained Professionals Roof size (squares) 1 roofing square equals 100 sq ft of roof surface. Quick estimate: length x width of home including garage, add 10 to 15 percent for waste, then divide by 100. Shingle type 3 tab: budget, flat look. Architectural: thicker laminated shingles, common, better wind rating. Impact resistant (Class 4): upgraded hail resistance, often insurance discounts. 3 tab Architectural Impact resistant Pitch Low to medium Steep Stories 1 story 2+ stories Existing layers to remove 0 1 2 Decking replacement 0 percent 5 percent 10 percent 25 percent Calculate Request a FREE Consultation with one of our Highly Trained Professionals