Manufacturer notes
Drexel Metals
Standing seam metal — inspector's-eye notes on install spec, warranty requirements, and what typically gets skipped on NM installs.
Training attended
Snap-lock and mechanical seam panel systems, DrexTech underlayments — cold-climate + high-UV spec
Southwest regional
Owner-attested attendance. Drexel Metals does not typically issue individual certificates for product-knowledge sessions. Listed as training attended, never as certification.
What we check on a Drexel Metals install
- Panel gauge (24ga vs 26ga) and coating system (PVDF vs SMP) drive lifespan.
- Clip spacing and attachment method — snap-lock vs mechanical seam matters for wind.
- Butyl tape at every panel end lap and hip/ridge closure.
- Oil-canning is cosmetic on cheap gauges — spec heavier metal on visible planes.
- Underlayment: high-temp synthetic is mandatory under metal in NM sun.
Questions to ask any contractor bidding Drexel Metals on your roof
- Are you a Drexel Metals-authorized installer? Can you register the manufacturer's system warranty on my roof?
- Which Drexel Metals product line are you installing? What's the exact spec — nailing pattern, underlayment, accessories?
- Will you supply photos of critical details (valleys, penetrations, flashings) before dry-in and after tear-off?
- Does the Drexel Metals warranty on this bid cover material only, labor + material, or full system with workmanship?
- What's your written policy if a Drexel Metals warranty claim is denied later because install spec wasn't met?
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