We have found a total of 30 active promo codes for Sherwin Williams. The best Sherwin Williams promo code currently available is 'NEWYEAR2018'. This code gives customers 30% Off discount. It has been used 159 times. Our most recent discount code for Sherwin Williams was discovered on Jul 03, 2024. Our coupon codes save shoppers an average savings of $13 on purchases made at sherwin-williams.com. New codes are published approximately every 3 days.