Based in Calgary, ONIT Roofing & Exteriors Inc. provides home owners in the area with quality, professional roofing services. We also offer re-roofing and repair services as well as attic ventilation, eavestroughing, facia and soffit installation and more. All of our jobs come with a 5-year warranty on workmanship. Call ONIT Roofing & Exteriors today to schedule your free roofing estimate.