Roofing Requirements by Manufacturer

Shingle manufacturer requirements are the official installation standards published by brands like GAF, Owens Corning and IKO. They define exactly how materials must be installed to maintain warranty and performance standards and they are what insurance carriers reference when reviewing your estimate.

When local codes do not cover a specific installation detail like fastening pattern or drip edge placement, the manufacturer's guide becomes the governing standard. Meeting those requirements helps you avoid denied claims, warranty voids and expensive rework.

Generate the report for your project's address and shingle brand, then include it in your estimate or claim file. It shows the carrier that your line items follow both local code and manufacturer standards, which significantly speeds up approvals and reduces back-and-forth with adjusters.

When the Authority Having Jurisdiction has not adopted local roofing codes, insurance carriers reference manufacturer installation specifications as the next best standard. OneClick Code's Manufacturer Requirements Report automatically pulls the official installation requirements for your chosen shingle brand and SKU, giving you a defensible, compliant scope to submit for review.

OneClick Code's Manufacturer Requirements Report includes verified installation requirements and direct links to official guides for GAF Timberline, Owens Corning Oakridge, IKO, TAMKO, Atlas Roofing, CertainTeed, Malarkey and BP shingles, so you are always working from the current manufacturer documentation.

Yes, following the exact installation standards from the manufacturer ensures your work qualifies for full warranty protection. Attaching the OneClick Code Manufacturer Requirements Report to your job file proves that every line item meets the brand's warranty criteria, which means fewer disputes and fewer callbacks.

All data in the Manufacturer Requirements Report comes directly from each shingle brand's official installation documentation and is reviewed and updated regularly, so you can trust that what you are estimating aligns with the latest manufacturer standards.