WINSLOW – Keith “KAP” A. Poirier, passed away on Saturday, October 23, 2021, following a long illness.He was born in Waterville on June 29, 1960, to Dorothy (Ryan) Withee and the late Joseph Poirier. He graduated from Waterville High School. Keith owned and operated Pine Tree Sealcoating for over 30 years. Keith was the life of the party and will be remembered for his barbeques, his quick wit, his style, and his fun spirit. He enjoyed spending time with his family and attending the many different activities of his nephews and nieces. Keith was predeceased by his son Zachary.He is survived by his wife, Johnna; his mother; his siblings and their spouses, Donald; Karen and Larry; Sean and Jennifer; Mark and Maria; Edward and Lina; numerous nephews and nieces. Family and friends are respectfully invited to attend a funeral mass for KAP, which will be held at St. John’s Catholic Church, 26 Monument St., Winslow, on Saturday, November 13, beginning at 9 a.m. A graveside service will be held immediately after at St. Francis Cemetery, 78 Grove St., Waterville. A celebration of KAP’s life will follow at the VFW, 51 Water Street, Waterville.