If youre still planning roofing material inventory by gut feel or last years spreadsheets, youre likely already behind the curve.
Roofing material demandespecially for products like asphalt shingles, TPO membranes, ridge vents, and underlaymentis intensely seasonal and highly weather-dependent Spring and early summer often bring sharp demand spikes across regions like the Midwest, Northeast, and parts of Canada, while winter months slow procurement drastically.