Your warranty is only useful if you understand it. This guide explains what warranties come with a flat roof installation in Edmonton. Most new roofs include a manufacturer's material warranty and a contractor's workmanship warranty, and coverage length and terms vary by system and installer. Learn why you should get both warranties in writing, how to register them, and which records to keep, like photos, inspection reports and invoices, so future claims go smoothly. Protect your roofing investment for years to come.