For a typical U.S. asphalt-shingle replacement, CertainTeed and Owens Corning roofs often cost about $8,000-$18,000 installed, with a national planning average near $12,500. The brand alone usually changes the quote less than roof size, tear-off needs, shingle tier, roof shape, and local labor rates.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Installed architectural shingles | $400 per square | $625 per square | $900 per square | One square covers 100 sq ft; labor and common accessories included |
| 2,000-sq-ft roof replacement | $8,000 | $12,500 | $18,000 | Approximate roof area; standard access and one shingle layer assumed |
| Shingles only | $100 per square | $145 per square | $220 per square | Architectural product; product line and retailer affect price |
| Premium impact-resistant roof | $12,000 | $17,000 | $25,000 | 2,000-sq-ft roof; upgraded product and installation details |
Assumptions: U.S. asphalt-shingle replacement, roughly 2,000 sq ft of roof area, ordinary access, and standard underlayment. Local bids can fall outside these planning ranges.
Installed CertainTeed and Owens Corning prices by roof size
For comparable architectural shingles, both brands commonly land in similar installed price bands. A contractor may quote CertainTeed Landmark or Owens Corning Duration at about $400-$700 per roofing square for a straightforward replacement. Premium lines, steep slopes, complex roof geometry, and higher-cost markets can push installed rates toward $700-$900 or more per square.
For a like-for-like architectural shingle, the difference between brands is often smaller than the difference between contractors’ labor and scope. A 2,000-sq-ft roof may require more than 20 squares because of slope and waste; estimates should use measured roof area, not the home’s interior floor area. A 10% waste allowance would bring that example to about 22 squares.
| Roof area | Low installed | Typical installed | High installed |
|---|---|---|---|
| 1,500 sq ft | $6,000 | $9,400 | $13,500 |
| 2,000 sq ft | $8,000 | $12,500 | $18,000 |
| 3,000 sq ft | $12,000 | $18,800 | $27,000 |
These estimates apply to architectural shingles and routine replacement, not a simple material-only purchase. A steep or cut-up 2,000-sq-ft roof can cost more than a simple roof with the same measured area. Installed example rates: $400-$900 per square, with disposal and standard flashing work varying by bid.
What tear-off, underlayment, and labor add to roofing bids
A useful comparison separates the shingle package from installation and site work. Shingle quotes can appear far apart when one includes tear-off, disposal, ice-and-water protection, ridge ventilation, or new flashing while another excludes them. Ask for each item to be listed, with quantities or unit rates where possible.
| Quote component | Typical range | Pricing basis | What changes it |
|---|---|---|---|
| Architectural shingles | $100-$220 per square | Materials | Product tier, color, availability, and waste |
| Installation labor | $150-$350 per square | Labor | Pitch, access, roof shape, and crew rates |
| Underlayment and ice barrier | $30-$100 per square | Materials and installation | Climate requirements and coverage area |
| Tear-off and disposal | $50-$150 per square | Delivery/disposal | Existing layers, debris weight, and local fees |
| Flashing, vents, and ridge accessories | $300-$1,500 per roof | Accessories and labor | Chimneys, valleys, penetrations, and ventilation needs |
Labor can be estimated as , but roofing contractors often price the full crew and project rather than presenting an hourly bill. A labor-only rate of roughly $50-$100 per worker-hour can help explain a bid, not replace a written scope and total price.
Check that both bids cover the same roof area, tear-off layers, underlayment, flashing, ventilation, cleanup, and warranty terms. Permit charges may be included or itemized; where required, plan on roughly $100-$500, with local rules determining the actual fee.
How shingle tier, roof pitch, and waste shift the total
Brand comparisons are meaningful only when product tiers match. Both manufacturers sell basic three-tab products as well as architectural and upgraded shingles. Landmark and Duration are common architectural lines, but specific features, color availability, impact ratings, and warranty conditions differ by product and package.
A standard architectural shingle replacement may cost around $400-$700 per square installed. A premium or impact-resistant product can add roughly $50-$150 per square in materials and may also require specific installation details. Confirm the exact product name and impact classification rather than comparing a brand name alone.
Roof geometry can matter more than a modest shingle-price difference. A roof pitch above about 6:12 often requires added safety measures and slower work; very steep sections may add $50-$150 per square or more. Valleys, dormers, skylights, and multiple chimneys increase cutting and flashing labor. Waste commonly ranges from about 8%-15% on simple roofs and can exceed 15% on complex layouts.
Old roof layers also affect the total. Removing one existing layer may cost about $50-$100 per square, while extra layers or heavy, difficult-to-handle roofing can raise tear-off and disposal costs. Damaged decking is usually extra, often priced at $75-$150 per 4-by-8-foot sheet installed, depending on material and region. The written estimate should state the per-sheet charge or allowance.
How long the crew works and why labor quotes differ
A typical residential replacement of about 20-25 squares may take a four- to six-person crew one to three working days when access is normal and weather cooperates. A large or complicated roof, multiple tear-off layers, decking repairs, or limited staging space can extend the schedule and increase labor charges.
Contractor overhead, insurance, local wages, and crew experience all affect pricing. A very low quote may reflect a smaller scope, fewer protective measures, or exclusions rather than a cheaper equivalent installation. Ask who performs the work, whether the contractor uses employees or subcontractors, and how weather delays or discovered damage are handled.
Compare crew scope and installation details, not just the number of workers or promised completion time. Bids should identify removal, protection of landscaping, cleanup, underlayment, starter strips, ridge caps, and fastening practices. A quote that leaves these details vague is difficult to compare with a fully itemized proposal.
Three roof estimates show the brand price gap
The following examples use the same approximate roof areas and standard architectural shingles. They illustrate how scope and site conditions can outweigh brand. Actual prices vary by location, contractor, product availability, and inspection findings.
| Project and shingle | Measured area and waste | Labor and scope | Estimated total |
|---|---|---|---|
| Simple ranch, CertainTeed Landmark | 1,800 sq ft plus 10% waste; about 20 squares | Four-person crew, 12-16 hours; one-layer tear-off | $8,500-$12,000 |
| Two-story home, Owens Corning Duration | 2,400 sq ft plus 12% waste; about 27 squares | Five-person crew, 16-24 hours; steep sections and new flashing | $14,000-$20,000 |
| Complex roof, premium impact-resistant shingle | 2,000 sq ft plus 15% waste; about 23 squares | Five-person crew, 20-30 hours; valleys, tear-off, and ventilation work | $17,000-$25,000 |
In the first two examples, a comparable product and scope could produce overlapping quotes from either brand. A difference of several hundred dollars may result from distributor pricing or color availability, while a difference of thousands usually deserves a scope review. Labor-hour figures are approximate crew hours on site, not worker-hours.
Do CertainTeed or Owens Corning cost more by region?
Neither brand is consistently more expensive across the country. Local distributor inventory, contractor relationships, delivery distance, and seasonal demand can make one line cheaper in a particular market. For a comparable architectural product, a brand-related material difference of roughly 0%-10% is plausible, but it should be verified with local written quotes rather than treated as a national rule.
Roofing labor and project totals can vary more sharply by region. High-cost urban markets may run about 10%-25% above a broad national benchmark, while some rural markets may be 5%-15% below it. These are planning comparisons, not guaranteed adjustments; rural delivery distance or limited contractor availability can erase expected savings.
Request local quotes for the same named shingle, color, quantity, and installation scope. Compare the price per square and total roof price, then check whether tax, permit fees, disposal, and deck-repair allowances are included. A material-only retailer price does not show what a licensed, insured installation will cost.
When roof removal and deck repairs raise the quote
Tear-off, disposal, and hidden repairs are frequent reasons a final invoice differs from an initial estimate. Contractors may charge about $50-$150 per square for removal and disposal, with additional cost for each extra layer. Large debris loads, difficult driveway access, or a required dumpster permit can add charges beyond a basic tear-off rate.
Decking damage is usually assessed after old shingles are removed. Ask whether the estimate includes a small repair allowance and how the contractor will document additional work. Replacement decking may cost around $75-$150 per 4-by-8-foot sheet installed; widespread rot or structural repairs require a separate assessment and can substantially change the budget.
Flashing replacement is another scope issue. Reusing sound flashing may save money, but corroded or poorly fitted flashing around chimneys, walls, and valleys can invite leaks. New flashing or complex chimney work may add several hundred dollars, while extensive masonry or framing work can cost more. The quote should explain what is being reused and what is being replaced.
Confirm removal, dump fees, decking rates, and flashing plans before approving the contract. This makes it easier to distinguish a genuinely lower CertainTeed or Owens Corning bid from one that leaves likely repair work unpriced.
Ways to lower a shingle quote without cutting installation quality
Choose equivalent product tiers before comparing brands. A standard architectural shingle from one manufacturer should be compared with a similar architectural line from the other, not with an impact-resistant or designer product. If appearance is flexible, ask whether readily available colors have lower prices or shorter delivery times.
Keep the work scope focused. Avoid adding a premium upgrade unless its performance or appearance matters for the property, and ask whether existing flashing or vents can remain when inspection shows they are serviceable. Do not omit required underlayment, ventilation corrections, or code-related work merely to lower the initial quote; inadequate installation can lead to repair expense later.
Get at least three itemized bids using the same shingle, roof measurements, and written scope. Schedule routine work before an urgent leak forces a rushed decision, and ask about a modest price break for combining roof work with related exterior tasks only when the work is independently needed. Check whether each contractor includes cleanup, warranty registration, and a clear process for approved change orders.
Homeowners can reduce confusion by supplying access details, identifying known leaks, and moving vehicles or outdoor items before installation. These steps generally do not change the material price, but they can prevent delays or avoidable crew charges. The strongest budget decision is usually a correctly sized, clearly specified roof rather than the lowest advertised shingle cost.