Certified Roofing Companies vs. Non-Certified Contractors: How the Wrong Choice Can Void Your Roof Warranty
When homeowners invest in a new roof, they often believe the manufacturer’s warranty alone will protect them for decades. Unfortunately, many don’t realize that who installs your roof is just as important as the materials used. Choosing a non-certified roofing contractor can lead to denied warranty claims, unexpected repair costs, and long-term damage to your home.
This is where the difference between certified roofing companies and non-certified contractors becomes critical.
What Is a Certified Roofing Company?
A certified roofing company is trained, tested, and approved by a roofing manufacturer to install their products according to strict standards.
At Culver Built Roofing and Siding, we are proud to be a CertainTeed Select ShingleMaster™, one of the highest levels of certification offered by CertainTeed.
This certification confirms that our team meets rigorous requirements for:
• Professional business practices
• Proven installation quality
• Ongoing technical and safety training
• Compliance with manufacturer specifications and local building codes
Certified contractors don’t just install roofs—we install them the right way, every time.
What Is a Non-Certified Roofing Contractor?
A non-certified contractor may still offer roofing services, but they are not officially trained or approved by the manufacturer whose materials they install.
This often means:
• No manufacturer-verified training
• Installation shortcuts or outdated techniques
• Improper fastening, underlayment, or ventilation
• Work that does not meet manufacturer warranty requirements
While these contractors may offer lower upfront pricing, the hidden risks can be costly.
Why Roof Warranties Get Rejected by Non-Certified Contractors
One of the most common reasons roof warranties are denied is improper installation.
Even premium roofing materials can fail if they are not installed exactly as the manufacturer requires. Common installation errors include:
• Incorrect nailing patterns
• Improper shingle alignment or sealing
• Missing or incorrect underlayment
• Poor flashing details around chimneys and penetrations
• Improper fastening of metal roofing panels
• When a manufacturer investigates a warranty claim and discovers installation defects, the claim is often denied, leaving the homeowner responsible for repairs.
💡 Important: Manufacturer warranties typically state that coverage is valid only when products are installed according to their specifications—often by a certified contractor.
How Certification Protects Your Warranty
Because Culver Built Roofing and Siding follows CertainTeed’s exact installation guidelines, your roof remains eligible for:
• Full manufacturer product warranties
• Enhanced manufacturer-backed warranty options
• Long-term performance and durability
Certification ensures your roof system works as a complete system—not just individual parts installed separately.
Our 10-Year Workmanship Warranty: Protection Beyond Materials
Why Roof Warranties Get Rejected by Non-Certified ContractorsIn addition to manufacturer warranties, we provide a 10-Year Workmanship Warranty that protects you from installation-related issues.
What Our Workmanship Warranty Covers
For ten (10) years after installation, we cover:
• Leak protection caused by installation issues
If a leak occurs due to workmanship, we repair it at no labor cost.
• Wind-related shingle issues
If shingles blow off due to improper installation, we re-secure or replace them.
• Metal roofing fastening guarantee
All panels and components are guaranteed to be fastened correctly under our workmanship warranty.
📌 Roofing materials themselves are covered separately by CertainTeed’s manufacturer warranty. Together, these warranties provide layered protection.
Certified Installation vs. Non-Certified Installation: The Real Difference
Certified Contractor
- Manufacturer-trained
- Warranty-compliant installation
- Eligible for enhanced warranties
- Backed by workmanship warranty
- Long-term value
Non-Certified Contractor
- No official training
- High risk of warranty denial
- Standard or voided warranties
- Limited or no workmanship coverage
- Higher risk of early failure
Why Choosing Certified Matters Long-Term
A properly installed, fully warranted roof:
• Lasts longer
• Performs better in harsh weather
• Reduces repair costs
• Protects your home’s value
• Gives you peace of mind
Saving money upfront by choosing a non-certified contractor can cost thousands later when warranties are denied.
Ready to Protect Your Investment?
When you choose Culver Built Roofing and Siding, you get:
• CertainTeed Select ShingleMaster™ certified installation
• A 10-Year Workmanship Warranty
• Access to enhanced manufacturer-backed warranties
• Professional, detail-driven service from start to finish
Your roof is too important to gamble on shortcuts. Choose certified. Choose protection.
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