Quick Answer
A manufacturer warranty covers defects in the roofing materials, like premature rust, paint failure, or product defects. A workmanship warranty is the contractor's promise that the roof was installed correctly and covers leaks caused by installation mistakes. Since installation errors cause more roof problems than defective materials, a strong workmanship warranty from a local, established roofer is just as important.
Manufacturer Warranties
Manufacturers warrant their products against defects. For metal roofing, that often means separate coverage for the metal substrate (against rust-through) and the paint finish (against excessive fading, chalking, and peeling).
Terms vary widely by product and price level. Some are prorated, meaning coverage decreases over time.
Workmanship Warranties
A workmanship warranty is offered by your contractor. It covers problems caused by how the roof was installed: flashing details, fastening, sealing around penetrations, and panel layout.
This warranty is only as good as the company behind it. If the contractor goes out of business or leaves town, the warranty may be worthless.
How to Compare Warranties
Ask each contractor for both warranties in writing and compare them side by side.
- How many years each warranty lasts
- Whether coverage is prorated
- What is excluded
- Whether the warranty transfers to a new owner
- Whether registration is required
- How to file a claim and who to call
Enhanced Manufacturer Warranties
Some manufacturers offer enhanced warranties when their products are installed by certified or trained contractors and when the full system, such as matching underlayment and trim, is used. These warranties may extend coverage periods or include some labor.
If an enhanced warranty matters to you, ask whether the contractor is eligible to offer it and what is required. Registration deadlines often apply after installation, and missing them can limit your coverage.
Why Both Matter
Most roof leaks come from installation details, not product defects. That makes the workmanship warranty, and the reputation of the contractor, critical.
Sanchez Metal Roofing has served San Antonio for over 20 years and stands behind its work. We will walk you through both warranties before you sign.
Frequently Asked Questions
Which warranty is more important?
Both matter, but installation errors cause most roof problems, so a solid workmanship warranty from an established local contractor is key.
Does the manufacturer warranty cover labor?
Some premium warranties include labor; many cover only materials. Read the terms.
What happens if my roofer goes out of business?
The workmanship warranty usually ends with the company, which is why choosing an established local roofer matters.
Contact Sanchez Metal Roofing
Phone: (210) 708-3308. Email: sanchezmetalroofing123@gmail.com. Address: 520 Fredericksburg Rd, San Antonio, TX 78201. Hours: Monday through Saturday 8:00 AM to 5:00 PM. Free roof inspections across San Antonio. Call (210) 708-3308.