GAF Master Elite, CertainTeed SELECT, Owens Corning Platinum: What Roofer Certifications Actually Mean

Every roofing company's website claims they're "certified." Certified by whom? Certified for what? Certification in the roofing industry is a real thing with real standards — but the word is also widely abused to inflate resumes. This post explains what each of the major certifications actually means, what they require to obtain, and which ones meaningfully indicate a quality contractor.

Why certifications matter to you

There are three practical reasons a homeowner should care about certifications:

1. Enhanced manufacturer warranties. Standard shingle warranties cover materials only. Enhanced warranties (sometimes called "system warranties") cover both materials and labor — but require installation by a certified contractor.
2. Training verification. Certified contractors have proven they've been trained on installation best practices, current building codes, and the manufacturer's specific requirements.
3. Accountability. Manufacturer certification is revocable. If a certified contractor does bad work, the manufacturer can pull their certification — meaning the manufacturer acts as a second layer of quality control.

The major asphalt-shingle certifications

GAF Master Elite

GAF is the largest shingle manufacturer in North America. Their top-tier certification is Master Elite. Only about 2% of roofers in the US hold this certification. Requirements include:

• Proof of licensing in every state of operation
• Adequate workers' comp and general liability insurance
• A minimum number of years in business
• Strong customer satisfaction ratings across documented installations
• Annual re-certification with updated training

Master Elite contractors can offer GAF's top warranty, the Golden Pledge, which covers materials and labor for up to 25 years — including the cost of tearoff and disposal if replacement is needed.

GAF Certified

The entry-level GAF certification. Easier to obtain than Master Elite. Contractors at this level can offer the System Plus warranty (50-year materials, 10-year workmanship). Still meaningful, but not the top tier.

CertainTeed SELECT ShingleMaster

CertainTeed's top-tier certification, equivalent to GAF Master Elite. Only about 1% of roofers hold it. Requirements are similar: licensing, insurance, experience, and ongoing training. Contractors at this level offer the SureStart PLUS warranty — 50-year materials, 25-year workmanship, and comprehensive labor coverage.

CertainTeed ShingleMaster

Entry-level CertainTeed certification. Contractors offer the SureStart warranty (10-year workmanship). Still decent, but SELECT is meaningfully better.

Owens Corning Platinum Preferred

Owens Corning's top-tier certification. Only a small fraction of their contractors qualify. Offers the Platinum Protection Limited Warranty — lifetime materials, 50 years of transferable coverage, 25 years of labor.

Owens Corning Preferred

Mid-tier Owens Corning certification. Offers the Preferred Protection warranty — better than standard manufacturer coverage but less than Platinum.

Non-manufacturer certifications worth knowing

HAAG Certified Roof Inspector

HAAG Engineering trains roof inspectors specifically in damage assessment for insurance claims. A HAAG Certified Inspector has been trained to evaluate hail, wind, and structural damage to industry-standard criteria that insurance adjusters respect. If your contractor is handling an insurance claim, HAAG certification matters more than any manufacturer certification.

NRCA ProCertification

The National Roofing Contractors Associationoffers ProCertification for specific skills — steep-slope asphalt shingles, TPO, EPDM, foam, and others. Focus is on the installers, not the company. A ProCertified installer has passed skill-specific knowledge and hands-on tests.

InterNACHI Certified Roof Inspector

The International Association of Certified Home Inspectors offers roof-specific certification. Common for home inspectors who evaluate roofs during real estate transactions rather than contractors who install them.

RCI / IIBEC

The Roof Consultants Institute (now branded as IIBEC — International Institute of Building Enclosure Consultants) offers technical credentials primarily for commercial roofing engineers and consultants. Homeowners rarely need to know this, but for large or unusual projects, RCI/IIBEC credentials indicate technical depth.

The metal-roofing certifications

Metal roofing has a separate ecosystem of certifications:

• Metal Roofing Alliance (MRA) — trade association; contractors can be members, which indicates they install metal roofing regularly.
• MCA (Metal Construction Association) — similar trade association focused on commercial and architectural metal.
• Manufacturer-specific certifications — e.g., Classic Metal Roofs, McElroy Metal, ATAS, Englert each have installer training programs.

Red flags: fake or misleading claims

"Licensed, bonded, and insured"

Not a certification. These are legal minimums to operate a business in most states. A contractor who advertises this as their credential is marketing a bare minimum as if it were a differentiator.

"Certified contractor" (no brand specified)

Meaningless. Certified by whom? If they don't specify a credential (GAF Master Elite, CertainTeed SELECT, HAAG, etc.), they're making it up.

"A+ BBB rating"

The Better Business Bureau rating is less meaningful than people think. Ratings can be purchased (through BBB membership fees) and don't reliably correlate to quality. Check actual customer reviews, state contractor board records, and manufacturer certifications instead.

"Factory-trained"

Sometimes this means something; sometimes it means an employee watched a 20-minute video. There's no standard behind the term. Ask which factory, what training, when it was completed.

Certifications for inactive or revoked status

Certifications expire. A contractor may have held GAF Master Elite certification five years ago but lost it due to poor installations or unpaid renewal fees. Always verify currently active status on the manufacturer's contractor locator tool.

How to verify a contractor's certifications

1. GAF: gaf.com/en-us/roofing-contractors — enter ZIP, browse certified contractors. Master Elite is explicitly tagged.
2. CertainTeed: certainteed.com/contractor-search — similar search.
3. Owens Corning: owenscorning.com/roofing/contractors — search by ZIP; Platinum contractors are flagged.
4. HAAG: haagcertified.com — verify individual inspector credentials.
5. NRCA: nrca.net/procertification — verify individual installer ProCert status.
6. State contractor license board: varies by state. Google "[your state] contractor license lookup" to verify licensing, insurance, and complaint history.

The hierarchy of credentials

Not all credentials are equal. Rough ranking for residential asphalt:

1. GAF Master Elite / CertainTeed SELECT / Owens Corning Platinum Preferred — top tier, small percentage of contractors
2. GAF Certified / CertainTeed ShingleMaster / Owens Corning Preferred — meaningful, mid-tier
3. HAAG Certified Inspector — essential for insurance claims work
4. NRCA ProCertification — installer-specific, valuable when you can verify the installer on your project
5. State license + insurance — legal minimum, not a credential

What certifications don't tell you

Certifications indicate training and process. They don't guarantee:

• The specific crew on your project is good
• The contractor will show up on time
• Communication will be responsive
• Change orders will be priced fairly
• Warranty claims will be honored promptly

For those, you still need reviews, referrals, and verified past projects. But starting with a certified contractor filters out the bottom 90% of installers before you even begin evaluating them.

Putting it in practice

When evaluating a contractor:

1. Ask which manufacturer certifications they currently hold. Current means active, not "we used to have that."
2. Ask for their GAF / CertainTeed / OC contractor ID. Verify it on the manufacturer's locator.
3. Ask if any certified installers will actually be on your project, or if the certification is company-wide only.
4. Ask which enhanced warranty they can offer on your project given their certification level.
5. Ask for proof of current liability insurance and workers' comp. These expire; verify they're current.

Our free inspection form matches you with contractors holding active top-tier certifications — GAF Master Elite, CertainTeed SELECT, Owens Corning Platinum, or equivalent — verified on each inspection cycle.

Related reading

• How to Vet a Roofer: The Complete Checklist
• Decoding a Roofing Estimate Line-by-Line
• Storm Chaser Roofers: 7 Red Flags Every Homeowner Should Know