Purchase at least 30 squares of CertainTeed brand roof including our professional installation and receive $3,000 off the retail price. Purchase at least 20 squares of CertainTeed brand roof including our professional installation and receive $2,000 off the retail price. Purchase at least 10 squares of CertainTeed brand roof including our professional installation and receive $1,000 off the retail price. Savings include a free shingle upgrade for roofs over 10 squares. Offer expires October 31, 2023. Not valid with any other advertised or unadvertised roofing discounts or promotions. Limit of one discount per purchase contract within any 10-day period. Void where prohibited by law or regulation. Offer has no cash value. Only valid on initial visit.