Tri-City Roofing & Waterproofing provides IKO, BP, GAF, CertainTeed, and Owen Corning manufacturer shingles as per your need. We stand by with our roofing workmanship with a 10 years labour warranty. After 10 years, your shingles manufacturer kicks in for a limited lifetime warranty. Please give us a call to provide a free estimate anywhere in the GTA. Our prices is fair and reasonable, and we will never compromise on quality.