Tamko vs. Owens Corning Roofing Shingles: Cost, Pros & Cons, ROI

Owens Corning and Tamko are two asphalt shingle manufacturers sharing the adage, “we’re second-best, so we try harder.” CertainTeed is the consensus leader for overall asphalt shingle quality.

GAF is the largest producer of shingles, and its products get high marks. Right behind those giants are Owens Corning, certainly one of the most recognizable names in roofing products, and Tamko (or TAMKO), a brand that has its fans, too.

The Bottom Line from the Beginning

The bottom line, which all the details in this guide lead to, is that the Owens Corning vs. Tamko comparison is about as even as it gets in the roofing products industry, with Owens Corning getting only a slight edge in the main architectural shingles category.

Owens Corning’s flagship Duration shingles outshine Tamko Heritage shingles in wind performance — thanks to the Owens Corning standard 130 MPH wind resistance design and warranty (even with the standard 4-nail installation method) compared to the standard 110 MPH wind performance warranty for Tamko Heritage shingles (with the standard 4-nail application method). However, this 20 MPH gap in the shingle wind-resistance performance can be overcome with a 6-nail enhanced installation method for Tamko Heritage shingles.

Owens Corning Roofing Shingles Display

Both brands get ratings in the “good” to “very good” range from roofing contractors who install them every day and from home inspectors who have seen their share of durable shingles and shingles that have failed before they should.

What it comes down to is the quality of the installation. You’ve got two above-average shingle brands that can deliver superior durability for 20+ years, fail in just a few years or perform somewhere in the middle.

What makes the difference is how well the installers do their job.

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More on the installation below. Along the way, we’ll address where each brand has bragging rights. While OC and Tamko are close to equal in total score, each brand has strong and weak points.

OC vs. Tamko: Quality and Reliability

Quality is a product of the materials used and the production process. Here’s an overview of Owens Corning and Tamko shingle construction.

  • Owens Corning: OC makes three tiers of shingles in the basic Supreme (3-tab shingle) and Oakridge (entry-level architectural shingle), better Duration (OC’s best-selling architectural shingle with a standard 130 MPH wind uplift rating and warranty), and best or premium category shingles in (Devonshire, Woodmoor, Woodcrest, and Berkshire) categories.
  • Tamko: This brand makes a very similar lineup with basic (Elite Glass-Seal), better (Heritage, Heritage Woodgate) and best (Heritage Premium, Heritage Vintage).

All shingles from Owens Corning and Tamko feature fiberglass mat bases saturated with asphalt and dressed in coated granules to resist the sun’s UV radiation. Each shingle is constructed with fused layers.

When installed, less than half of each shingle is exposed. The result is that 3-tab roofs (OC Supreme and Tamko Elite Glass-Seal 3-tab) have 2-3 layers of coverage at any given point on your roof.

All other shingles from both brands are architectural style shingles with 4-5 layers of coverage. The result are shingles with wind ratings of 60mph for 3-tab products and 110/130mph for all others.

The two brands have the same ratings in most ASTM materials and fire rating tests. Both are on par with CertainTeed and GAF.

Bad shingles are often the result of production rather than the materials used. The production processes for these brands are similar. The processes are slightly tweaked, even from run to run (runs of shingle batches).

When errors occur, a bad batch of shingles, such as layers that don’t properly fuse, are produced. What makes a brand worth considering is the consistency of the quality from run to run. Owens Corning and Tamko deliver good consistency.

Slight Advantage for Owens Corning: We’re not afraid to take; our general view is that both brands are as equal as you will find in terms of the overall quality and reliability. However, we give a slight edge to Owens Corning in the most important flagship architectural shingles category where OC Duration shingles outshines Tamko Heritage in wind performance.

OC TruDefinition Duration shingles come with a standard 130 MPH warranty thanks to the OC SureNail, triple-reinforced nailing fabric and widened nailing zone(for faster and more precise installation).

OC SureNail Technology: Triple Layer Protection and widened nail strike zone for faster installation

Tamko Heritage shingles come with a standard 110 MPH wind uplift warranty for regular applications. A more costly enhanced installation method would be required for Tamko Heritage shingles to attain the 130 MPH wind uplift warranty.

Owens Corning vs. Tamko: Cost

Since these brands compete aggressively head-to-head, their prices are comparable across all products (and are very competitive with GAF, too).

Here is a breakdown of the shingle series and their costs from both brands:

Prices are per square, which is 100 square feet of coverage (and 3 or 4 bundles of shingles, so check product specs for the bundles-per-square).

3-tab shingles:

  • OC Supreme: $75-$85
  • Tamko Elite Glass-Seal: $72-$77

Flagship (most popular and best-selling) architectural/dimensional shingles:

  • OC Duration: $90-$120
  • Tamko Heritage: $84-$100

Other popular architectural/dimensional shingles including specialty sub-lines:

  • OC Duration Storm, Flex, and Cool (CA): $115-$130
  • Tamko Heritage Premium: $90-$120

Premium Designer architectural/dimensional shingles:

  • OC Devonshire, Woodmoor, Woodcrest, Berkshire: $175-$280
  • Tamko Heritage Woodgate, Heritage Vintage: $180-$215

Advantage – Tamko: As you can see, Tamko offers a slightly better value in terms of costs in each tier of products. It always makes sense to get written estimates on the specific roofing materials you’re considering so you can get a direct comparison of costs and product attributes including features and benefits.

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OC vs. Tamko: Shingle Style Selection

The clear winner here is Owens Corning with a much wider range of shingle styles and options.

Let’s explore each brand’s selection:

Owens Corning Shingle Styles

Starting with basics and moving to premium shingles, here are your OC shingle options.

Supreme: This is OC’s 3-tab shingle with a 25-year warranty and 60 MPH wind uplift rating and warranty. 25-year shingle warranty to original owner and 10-year algae warranty. 14 colors. OC lineup pricing tier: $ (economy)

OC Supreme Desert Tan 3-Tab Shingle

OC Duration Series: The best-selling line from Owens Corning competes with the Tamko Heritage and Heritage Premium shingles, plus CertainTeed Landmark and GAF Timberline shingles. Duration shingles are produced in 8 lines:

OC TruDefinition Duration Harbor Blue
  • Duration: TruDefinition color platform for brightness and contrast, SureNail triple-layer fabric nailing strip for better application and more secure hold, 130mph wind-resistance warranty with the standard 4-nail installation method, 10-year algae warranty, and lifetime limited shingle warranty. 18 colors with regional availability including 1 Energy Star Color in Shasta White. OC lineup pricing tier: $$$
  • Duration Designer All of the above, with Designer shingles available in 8 vibrant colors (rich palette of colors). OC lineup pricing tier: $$$ (Mid-Range)
  • Duration STORM (Regional availability) All the standard Duration series features, with Duration Storm shingles available in 7 colors, plus WeatherGuard technology featuring polymeric backing for Class 4 Hail impact resistance rating (not warrantied). OC lineup pricing tier: $$$$ (Premium)
  • Duration Flex (Regional availability): All the above. Duration Flex is a step above from the OC Duration Storm shingle. This SBS polymer-modified asphalt shingle with Class 4 Hail impact resistance (not warrantied), offers superior flexibility and pliability to resist cracking and tearing in all weather conditions including cold weather. OC lineup pricing tier: $$$$ (Premium)
  • Duration COOL (Regional availability/California): All the features of TruDefinition, plus the Cool Roof Rating Council (CRRC) rating for California Title 24 and Los Angeles Green Building Code compliance. Duration Cool solar-reflecting shingles are available in 10 colors including 1 Energy Star color in Shasta White. OC lineup pricing tier: $$$ (Mid-Range)
  • Duration Premium COOL (recently discontinued – OwensCorning.com): All the standard features of Duration shingle series, except WeatherGuard and TruDefinition, since these energy-efficient shingles are made in light colors to merit the EPA’s Energy Star ratings. Duration Premium Cool shingles are also rated by the CRRC for CA Title 24 and Los Angeles Green Building code. 4 bundles per square. OC lineup pricing tier: $$$$ (Premium)
  • Duration Premium (Regional availability): All the features of TruDefinition Duration, plus thicker and heavier shingle design for more longevity and extra dimensionality. This heavy weight shingle makes it ideal for Homeowner Association (HOA) specifications. Four bundles per square. 6 Colors. OC lineup pricing tier: $$$+ (Mid-Range/Premium)
  • Duration MAX (regional availability): All the standard features of the OC Duration series, plus Duration Max shingles combine a bold, thick appearance reminiscent of wood but with the durability and color availability of an asphalt shingle. 10 colors (2 Cool Roof Colors) OC lineup pricing tier: $$$$ (Premium)
OC Woodmoor AutumnMaple
OC Duration Series shingle lines: understanding Duration series shingle product differentiation

Oakridge: Owens Corning’s value-line dimensional shingles in 16 colors with regigional availability, standard 110 MPH wind resistance warranty that can be enhanced to 130 MPH with the enhanced 6-nail installation method. 130 MPH warranty also requires installing OC starter shingles along the eaves and rakes. 10-year algae warranty and lifetime limited warranty to original purchaser/homeowner. OC lineup pricing tier: $$ (Affordable)

OC Oakridge

Woodcrest: These are uniquely cut and textured shingles with wood shake appearance. Class A fire resistance. 110/130 wind-resistance, 10-year algae warranty and lifetime shingle warranty to original owner. 8 colors. OC lineup pricing tier: $$$$ (Premium)

OC Woodcrest Sycamore

Devonshire: Cut to look like classic slate shingles with clipped tabs. 130 wind-resistance, 10-year algae warranty and lifetime shingle warranty to original owner. 4 colors. OC lineup pricing tier: $$$$ (Premium)

OC Devonshire Castle

Berkshire: Slate-look shingles with oversized tabs, ideal for large homes and a dramatic style. 110/130 wind-resistance, 10-year algae warranty and lifetime shingle warranty to original owner. 5 colors. OC lineup pricing tier: $$$$$ (Top of the Line)

OC Berkshire Concord

Woodmoor: Rustic shake-look shingles with thick layers. Class A fire rating. 110/130 wind-resistance, 10-year algae warranty and lifetime shingle warranty to original owner. 9 colors. OC lineup pricing tier: $$$$$ (Top of the Line)

OC Woodmoor AutumnMaple

Tamko Shingle Styles

In like fashion, here are Tamko shingle options from basic to better to best.

Elite Glass-Seal: 3-tab, 25-year warranty, 60mph wind-resistance, Class A fire rating. 11 colors.

Tamko elite glass seal 3-tab shingle weathered wood

Heritage: Rustic-look dimensional shingles with 30-year warranty. Class A fire rating and 90mph wind rating. 15 colors.

Heritage TAMKO

Heritage Premium: A step up in thickness from standard Heritage. Class A fire, 110-130mph wind rating based on installation method. 50-year warranty. 13 colors.

Heritage Woodgate: Rugged wood shake appearance with bold contrasts and depths. Class A fire rating and 110-130mph wind rating based on installation technique. 6 colors.

Heritage Woodgate

Heritage Vintage: Wood shake appearance with angular lines. Class A fire rating, 110-130mph wind rating based on installation method. 50-year warranty. 5 colors.

Heritage Vintage weathered wood

Advantage – Owens Corning: If you like Tamko for other reasons, you’ll find several shingles you like. However, thanks to the sheer size of the collection, OC has more choices in composition roofing shingles.

Owens Corning vs. Tamko: Warranty

Warranties tell you whether the brand believes in its products. Both companies offer a range of warranties that are comparable with one another and other leading brands.

As you research any shingle brand, not just OC and Tamko, you will find that issues with getting the manufacturer to back its warranty are easily the top criticism (and frustration) homeowners have regarding shingles.

As we said at the start, installation is a huge part of the overall quality of a roofing job. The point is emphasized by frequent warranty issues. Therefore, take your time to find an experienced installer with a proven track record of quality installation and following specific manufacturer guidelines.

We can help ensure that you find some of the top installers in your area to get quotes from and discuss your roofing project. There is no cost or obligation for using the service.

All roofing contractors are pre-screened, licensed, and insured for your protection. Plus, they know they are competing for your work.

In addition, make sure you get an installation warranty from your roofing contractor. The manufacturer warranties cover product defects, but not installation errors.

Owens Corning Warranty Options

OC offers 5 different warranty options:

  • Standard: Suitable for first and second layers of shingles over any roofing underlayment. The non-prorated period is 5 or 10 years depending on the shingle.
  • Total Protection Roofing System: This warranty requires the installation of Owens Corning shingles, Owens Corning Hip & Ridge shingles and two of these four: OC Ventsure roof vent, OC underlayment, OC starter shingles and OC ice and weather barrier. The non-prorated period is 5 or 10 years depending on the shingle.
  • The System Protection, Preferred Protection and Platinum Protection are exclusive to the Owens Corning Contractor Network – roofing contractors certified to properly install OC shingles. These warranties offer longer periods without the warranty being prorated. For the System Protection warranty, you must install 2 of the 4 products listed in the Total Protection warranty. For the Preferred Protection and Platinum Protection warranties, you must install 3 of the products with other qualifying factors, too.

Details are found in the table below:

Did you know? All Owens Corning warranties can be transferred once during the lifetime of the warranty. If you sell your home during the warranty period, “the second Owner must contact 1-800-ROOFING within sixty (60) days after the date of the real estate transfer to obtain the benefits of this warranty.”

Tamko Warranty Options

Tamko’s warranties are quite straightforward:

  • 25-year warranty: 300 months. The full-start period is 5 years during which the warranty provides 100% coverage. After 5 years, the warranty is prorated, so reduced by 5% per year over the next 20 years. The wind warranty is 60mph for 5 years and the algae cleaning warranty is 10 years. This warranty applies to Elite Glass-Seal shingles.
  • 30-year warranty: 360 months. The full-start period is 15 years during which the warranty is 100%. After 15 years, the warranty is prorated, so reduced by 6.67% per year over the next 15 years. The wind warranty is 130mph for 15 years and the algae cleaning warranty is 10 years. This warranty applies to Heritage and Heritage Woodgate shingles.
  • 50-year warranty: 600 months. The full-start period is 20 years during which the warranty is 100%. After 5 years, the warranty is prorated, so reduced by 3.33% per year over the next 20. This warranty applies to Heritage Premium and Heritage Vintage shingles. The wind warranty is 130mph for 15 years and the algae cleaning warranty is 10 years.

Did you know? Tamko warranties can be transferred once within two years (Elite Glass-Seal) or within five years (all other shingles). The warranty claims, “To transfer this Limited Warranty, the Original Owner must provide TAMKO with written notice within thirty (30) days after the transfer. The written notice must include the names of the Original Owner and the Purchaser, the address of the building upon which the Shingles are installed, the date of retail purchase of the Shingles, and the date of the transfer.”

Advantage – Owens Corning: While Tamko has fewer warranties that are less complex, OC has better warranties for two reasons. Warranty transferability is more flexible. Secondly, the warranties offered when you use a roofer in the OC Contractor Network, the pro-ration of the warranty is eliminated or reduced.

Return on the Investment at Resale: The Cost-to-Value Return of Roof Replacement

The average cost-to-value return, according to a national survey by Hanley Wood Remodeling Magazine, for replacing an asphalt shingle roof is about 60% (66% in 2020). That means if two otherwise identical homes are sold, the one with a newer roof (under 10 years) will bring a higher price – approximately 60% to 66% of the original cost of the roof will be recouped at the time of sale.

Note that the cost recouped at resale is also a function of the upfront cost of the upgrade, and roofing prices can vary widely between large and small companies in the same area, which is why it’s always a good idea to get several estimates from professional roofing companies in your area.

Did you Know? A new roof is a huge boost to a home’s curb appeal, so will help you sell your home. Homebuyers are looking for homes that won’t require expensive remodeling updates and repairs in the next 5-10 years. A new roof gives them the peace of mind.

Pro tip: Mid-priced roofing upgrades bring a better cost to value or ROI than expensive roofs. If you’re thinking of moving in the next five years or so, a shingle like OC Duration or Tamko Heritage will cost less and bring a higher percentage return than upscale shingles like OC Berkshire and Tamko Heritage Vintage (PDF).

When Owens Corning is a Better Choice

For the slightly higher cost of OC shingles (except for the costliest OC shingles where the price is much higher), you get slightly better quality. Choose Owens Corning shingles when:

  • You plan to live in your home indefinitely
  • You have a new construction project or are going to tear off all old shingles, and want the warranty advantages of a complete OC roofing system installed by an OC-certified installer
  • You’ve had good experience with a roofing contractor, and the contractor recommends Owens Corning

When Tamko is a Better Choice

Tamko is a more affordable shingle in all tiers – good, better and best. The brand offers good quality and value. Choose Tamko when:

  • You want to save money on comparable shingles
  • You plan to move in the next 10 years, so are OK with slightly more limited warranties
  • Your preferred roofing contractor recommends Tamko and is willing to give you a solid workmanship warranty on the installation

Note: For homeowners comparing Owens Corning shingles to Tamko, we also recommend exploring GAF shingles. Here is our in-depth guide comparing OC shingles to GAF Timberline shingles and other popular lines under the GAF umbrella: https://www.roofingcalc.com/owens-corning-vs-gaf-roofing-shingles/

Find a Qualified Installer

More than 75% of all roof failures are eventually attributed to installation errors. That’s why most warranties are careful to state that improper installation voids warranty coverage. Take time to interview installers to find one that is experienced and trustworthy.

Pro Tip: As a final tip, roofing warranties can also be voided if the roof deck has problems such as gaps or damaged/rotten wood, and/or when the attic space isn’t properly vented. Ask your roofing contractor to inspect the attic ventilation and roof decking, and suggest any remedial repairs that will help ensure the roof lasts longer and remains under warranty.

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