Pros & Cons of GAF Shingles – Costs – Unbiased GAF Roofing Reviews

GAF is at or near the top of the best-selling asphalt shingles list. Is GAF’s enviable market share the result of consistent quality and performance, or is it driven by a large marketing budget that helps cover its flaws? Let’s explore.

GAF Woodland Shingles Roof
via GAF

There are obvious things to like about GAF – the wide selection of asphalt shingle styles and colors are sold nationally, and if you need more of the same shingles five or ten years later, they will likely be available.

On the downside, it is well documented that GAF, like most other shingle manufacturers, sometimes denies warranty claims that seem legitimate. The company settled a major class action lawsuit over warranty claims on defective shingles manufactured from 1998 to 2009, primarily at one plant. Let’s dig deeper.

Are GAF Shingles the Right Choice for Your Home?

This investigative look at GAF shingles is for homeowners who are considering GAF products and want to do their due diligence before making the roofing material decision.

This gives you the perspective of contractors that have installed GAF shingles for decades, home inspectors that have inspected hundreds of GAF-covered homes, and homeowners that live with GAF shingles on their roof every day.

Pros

Let’s look at the GAF shingle pros from the three perspectives mentioned: Installers, inspectors and homeowners.

Why roofing contractors like GAF shingles: There are a couple reasons that most roofers are happy to install GAF products, and some swear by them.

  • The GAF complete roofing system: When you purchase mechanical systems, an HVAC system for example, it’s important that the components such as the condensing unit, indoor coil, gas furnace and the thermostat control are designed to work together. The result is optimized performance.
Components of GAF asphalt roofing system
GAF – The Lifetime Roofing System

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Roofing contractors like the complete roofing system from GAF because it gives them six material components with complementary design and performance. Called the GAF Lifetime Roofing System, it includes:

  1. GAF Timberline shingles with a limited lifetime warranty
  2. Cobra attic ventilation/ridge vent
  3. Deck Armor roof deck paper
  4. Starter strip shingles at the eaves and optionally at the rakes
  5. Weather Watch leak barrier used to line valleys
  6. Ridge cap shingles that cover attic vents and non-vented ridges
  • GAF roofing contractor training and certification: GAF provides roofers with training on installing its products. While “shingles are shingles” is basically true, understanding the best practices for installing them helps ensure top performance and durability. GAF’s Master Elite certification guarantees the roofers:
  • Are licensed and insured
  • Have a reputation for quality workmanship
  • Participate in ongoing professional training to make them aware of best current practices and how-to’s for installing GAF roofing materials
  • Using a Master Elite contractor gives the homeowner access to one of GAF’s enhanced warranties, the System Plus warranty, or the brand’s best Golden Pledge warranty.
  • The warranties are generally considered the best in the industry: Comparing the fine print on warranties from GAF, CertainTeed, Owens Corning, and other top brands, shows that each has its strong points. GAF warranties are considered the best, and roofing installers want a product the manufacturer will stand behind. Otherwise, the roofer takes the blame for issues.

Why home inspectors like GAF shingles: Home inspectors see a lot of homes whether they’re inspecting them for a home-buyer or looking for damage following a major storm. Their reviews are typically that the quality of GAF products is better than average in a couple of areas:

  • GAF’s best lines show excellent durability: GAF’s most popular shingles including Timberline, Grand Sequoia, Grand Canyon (ultra premium shingle) and Glenwood (ultra premium shingle) are well made with fiberglass-mesh reinforced asphalt. GAF laminate shingles are built in multiple fused layers, and when installed, provide three to five layers of protection to the roof, depending on which line of shingle it is.
  • Impact resistant (AS) GAF shingles do what they’re supposed to do: GAF Timberline ArmorShield II and Grand Sequoia ArmorShield shingles are both UL 2218 Class 4 impact-resistance rated. This means that a 2” steel ball dropped twice onto the same spot of the shingle from 20 feet height will not damage it.

    Timberline Armor Shield II – Shakewood Shingle
  • Note: CertainTeed, Owens Corning, and Atlas are among competing brands that also make Class 4 hail impact-resistant shingles.

  • Wind resistance is very good: GAF Timberline HDZ and other GAF dimensional/architectural shingles offer excellent resistance to tearing in high winds. In fact, GAF Timberline HDZ shingles come with a standard 130 MPH wind warranty, even with the standard 4-nail application method.

Why homeowners like GAF shingles: Homeowners often prefer GAF products for the same reasons contractors and inspectors give them high ratings.

  • Good options in every price range: From the affordable 25-year three-tab strip shingles to upscale (ultra-premium) shingles, to specialty shingles that are resistant to hail impact, and solar-reflective energy-efficient shingles, GAF has good options for any homeowner.
  • Anti-staining – Algae Protection: GAF’s StainGuard protection against unsightly blue-green algae is included on GAF’s flagship Timberline shingles
  • Upgraded warranties: As noted, when a roofer certified “Master Elite” by GAF installs GAF shingles, better warranties are offered. For example, the 100% coverage before the warranty is prorated, is extended from 10 years to 50 years, and workmanship (installation quality) is extended from zero years up to 25 years on GAF dimensional shingles.
  • Most warranties are transferable once: It’s a useful selling point to let potential buyers know the shingle warranty will remain in effect after the sale.
  • Note: The new homeowner must notify GAF in writing within 60 days for the warranty to remain in effect. Call Customer Service at 1-800-458-1860 with questions.

Cons

There aren’t as many GAF shingle disadvantages. This is true of CertainTeed and Owens Corning, too. Still, here are a few reasons for concern before selecting GAF shingles for your home.

Roofing contractor concerns about GAF shingles: Here’s what roofers have to say when asked about their criticisms of GAF.

  • Most aren’t Master Elite roofers: Only 2% to 3% of roofing installers go through the time-consuming training and certification to become Master Elite, and without that certification, they cannot offer the enhanced warranty coverage.
  • Extended warranty cost is difficult to figure: Most System Plus warranties cost about 5% of the roof total and Golden Pledge warranties cost up to 10% of the roof cost, but getting the exact figure factors shingle type, roof pitch, number of peaks and valleys, nailing technique and more. It’s a hassle for roofers.
  • Meeting Lifetime Warranty requirements: For “Lifetime” warranty coverage on Timberline and other dimensional shingles to be in effect, two of the other GAF roofing components mentioned earlier (Cobra attic vent, Deck-Armor breathable synthetic underlayment, starter strip, etc.) must also be used on the job.

Home inspector concerns about GAF shingles: While these issues aren’t unique to GAF, inspectors have noted these problems occurring occasionally. These problems are typically the result of misadjusted production equipment that is checked and corrected, but sometimes not before a “bad batch” of shingles gets distributed.

Many homeowners don’t realize these problems are happening until they attempt to sell their home and an inspector for the buyer finds the issues.

  • Delamination: When the layers of dimensional shingles aren’t properly fused, they can begin to come apart in just a few months after installation. The good news is that this problem usually occurs when the shingle warranty coverage is 100%, i.e., before the proration begins (Standard-10 years, System Plus-50 years, Golden Pledge-50 years for dimensional shingles).
  • Excess granule loss that harms appearance, strength, and durability: All shingles lose granules over time. However, if the granule application process isn’t correct due to the shingles or adhesive being the wrong temperature when granules are applied, they might not properly adhere and come loose much quicker than they should.

Homeowner concerns about GAF shingles: There is one homeowner concern that stands out.

  • Warranty hassles and loopholes: First, it’s worth stating that 90% or more of GAF customers have zero issues with their roof. That’s a similar percentage to CertainTeed and Owens Corning.

However, when issues do occur, this is the biggest complaint about every shingle brand. The manufacturer sometimes makes the homeowner go to great lengths to “prove” there’s a problem. This usually involves many phone calls or email correspondence, taking multiple pictures of the roof and/or tearing out a few shingles and sending them to GAF. It’s a time-consuming process, and if the roof is leaking, it will have to be tarped – an expense not usually recouped from GAF or other manufacturer.

The word of the installer that the shingles are defective is not acceptable since, in some cases, GAF blames the installer for the problem, and sometimes GAF is right. If GAF acknowledges a problem, the company will often claim, as noted, that shingles or other roofing components were improperly installed or that the attic/roof isn’t sufficiently vented.

The bottom line about warranties is that you must read the warranty for any brand of shingle you’re considering. Before choosing a shingle and the installer, make sure:

  • Your roof is properly prepared, and the attic/roof structure is vented per the warranty requirements
  • The installer understands manufacturer specifications and techniques for installation and gives you a written guarantee that it will follow the guidelines

It’s worth the cost of making repairs such as replacing warped decking or upgrades such as adding attic venting before installing roofing shingles. Also, tearing off the first layer of shingles rather than simply adding a second layer is an affordable step to keeping within the warranty guidelines.

New Shingle Roof

$7,500
Average price
New Metal Roof

$14,500
Average price
New Flat Roof

$8,225
Average price

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GAF Shingles Cost: Materials and Installation

Here are current material costs for the major lines of GAF shingles. Costs are per square (100 square feet):

  • 3-Tab shingles: GAF Royal Sovereign shingles: $75 – $96
  • GAF Royal Sovereign shingles
  • GAF’s flagship Timberline dimensional shingles: GAF Timberline HDZ shingles: $90 – $125

    Timberline American Harvest
  • Best dimensional shingles: GAF Timberline Ultra High Definition (UHD) shingles: $125 – $150

    GAF Timberline Ultra HD shingles
  • Designer shingles: GAF Woodland shingles: $182 – $194

    GAF Woodland shingles

There are two other costs to consider – accessories and installation cost per square:

  • $20 – $30: These include ridge cap shingles on all roofs, ridge vent, underlayment or deck felt paper, starter strip shingles, Ice-and-Water barrier, and roof flashing.
  • $200 – $350: Warrantied professional installation costs
Estimated Roof Costs (1,700 sq.ft.)
Asphalt Shingles
Metal Roofing
Flat Roof
$7,500
$14,500
$8,225
See Roof Costs in Your Area

Note that accessory and installation costs are comparable for all shingle brands.

Here is an all-encompassing quick reference table showing material and installation costs for all GAF roofing shingle products:

Shingle Brand & Type Retail (1)
Shingle Cost
per square
Cost Installed (2) Key Distinction
GAF 3-Tab
Royal Sovereign $75 – $96 $300 – $350 Top Selling 3-tab
Marquis Weathermax $115 – $127 $350 – $400 Best Quality 3-tab
GAF Architectural
Timberline Natural Shadow (NS) $90 – $115 $350 – $450 Traditional Shake
1 Energy Star Color (white)
Timberline High Definition (HDZ) $90 – $125 $350 – $450 HD Shake Design
Best Selling Shingles
Timberline HDZ Reflector Series (RS) $96 – $135 $375 – $500 Cool Roof (CRRC), CA Title 24, LA Green Building Code
Timberline HDZ Reflector Series Plus (RS+) $99 – $135 $375 – $500 Darker and Richer Shake Colors, Cool Roof, CA Title 24, LA Green Building
Timberline American Harvest (AH) $114 – $125 $350 – $450 Extra Dimensional Look
High Contrast Colors
Timberline American Harvest (AH)
Advanced Algae Protection
$114 – $125 $350 – $450 American Harvest with
StainGuard Plus Protection
Timberline Ultra High Definition (UHD) $128 – $160 $425 – $550 Ultra-Dimensional Wood-Shake
53% Thicker Shake Design (more durable/longer lasting), StainGuard Plus Advanced Algae Protection
Timberline (UHD) Reflector Series $132 – $160 $450 – $550 Ultra-Dimensional Wood-Shake
53% Thicker than Timberline HDZ (more durable/longer lasting), StainGuard Plus Advanced Algae Protection
Timberline (UHD) Dual Shadow $128 – $150 $400 – $550 Ultra-Dimensional Wood-Shake Look with dual shadow,
53% Thicker Shake Design StainGuard Plus Advanced Algae Protection
Timberline Cool Series (CS) $200 – $220 $450 – $550 Energy Star certified
Cool Roof (CRRC)
Timberline ArmorShield (AS) II $230 – $255 $450 – $550 Class 4 Impact Resistance and shingle flexibility
SBS modified asphalt formula
GAF Premium and Designer Series
Slateline $150 – $189 $450 – $600 Slate Look with Diamond Cut granules for extra dimensionality, UV Blocker granules for longer lifespan
Grand Sequoia $180 – $200 $500 – $600 Extra-large Tabs for Sophisticated look, diamond cut granules for more dimensionality
Grand Sequoia ArmorShield (AS) IR $224 – $244 $500 – $650 Class 4 Hail Impact Resistance and shingle flexibility with
SBS modified asphalt formula
Woodland $182 – $194 $450 – $600 Hand-cut Wood Look
Camelot II $188 – $219 $500 – $650 Slate Look
Grand Canyon $238 – $252 $500 – $650 Western Shake
Glenwwod IR $320 – $344 $600 – $700 Class 4 Hail Impact Resistance Triple-layer SBS Modified

(1) The retail cost per square can be lower with bulk discounts for popular fiberglass shingles like GAF Royal Sovereign, GAF Timberline HDZ and NS shingles. There is normally no bulk discount for specialty and premium shingle lines.

The retail cost per square is for 100 sq.ft. of shingles only. It doesn’t include the cost of starter shingles, hip and ridge cap shingles, trim and flashing details, underlayments and Ice-and-Water shield, and general roofing supplies like nails, tarps, etc.

Note that most re-roofing projects will require 5% to 10% more shingles than the actual roof coverage. More shingles will be needed for roofs with multiple dormers and valleys.

(2) Installed cost includes materials and supplies, building permits, site cleanup, professional installation, and workmanship warranty.

GAF 3-tab and Architectural Shingle Retail costs, fully-installed costs, number of colors, and warranty details
GAF Premium and Designer Shingle Costs

Did you know? Fiberglass shingles are sold in “bundles,” and the advertised price for most shingles is the bundle price, not the price per square. For most lines of shingles, three bundles make up a square, so each bundle covers about 33.3 square feet.

Verdict

In conclusion, GAF offers quality that is on par with CertainTeed and Owens Corning and better than many less-prominent brands. The warranty coverage is good, though again, warranty claim hassles and denials are the biggest concern with any shingle brand.

You can ensure the best results by choosing a competent installer that follows GAF installation requirements and by making necessary improvements to your roof structure before the shingles are put on.

If you’re willing to pay more for the added peace of mind, choose a GAF Master Elite contractor and purchase an extended warranty for 5% to 10% of the material cost. These safeguards best ensure you’ll get excellent performance from your shingles, whether GAF or another top brand.

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7 thoughts on “Pros & Cons of GAF Shingles – Costs – Unbiased GAF Roofing Reviews”

    • All else being equal, meaning the quality of installation won’t change materially between the two options, it’s probably not really worth it. As the warranty will likely be either prorated and/or if there are problems with the roof, they will likely show up within the first ten years following the installation.

      Reply
  1. We had GAF Timberline HD shingles with stain guard installed in Sept 20, 2011 and now the shingles are stained and the black streaks look terrible!!!!! Every time I pull into my driveway, I see it and get even madder. I emailed the company and they want to send me a check to absolve them of any liability – so much for the GOLD Seal – Comments – Thanks, Pat

    Reply
    • Thank you for sharing that Pat,

      We are sorry to hear about the stains on a roof that was supposedly stain-proof! That said, your experience with the GAF Timberline HD shingles with stain guard is not atypical, although it’s not very common. Is your home located in a high moisture or heavily wooded area such as the Pacific Northwest?

      It’s good to hear that the company is willing to address the issue with the product! How much is the check for? If it’s only a tiny amount, I would press them to see if they will pay for a brand new replacement roof.

      Alternatively, you can get the check and opt for a new metal roof instead of asphalt, so you don’t have to worry about the stains ever again.

      Reply
  2. Our house needs a new roof.

    I am very conscious of the streaking that is occurring on shingles.

    Can I be assured that GAF Timberline shingles WILL NOT streak?

    What is the warranty for streaking?

    Thank you for your help.

    Reply
    • Hi Julie,

      GAF Timberline Ultra HD shingles offer advanced algae stain resistance protection.

      *StainGuard Plus™ Time-Release technology and 25-year limited warranty against blue-green algae discoloration available only on Timberline Ultra HD® shingles sold in packages bearing the StainGuard Plus™ logo.

      Does not apply to Timberline Ultra HD® Reflector Series™ Shingles. See GAF Shingle & Accessory Ltd. Warranty for complete coverage and restrictions.

      Alternatively, you can look into Malarkey Legacy shingles that come with a 20 year warranty against algae growth.

      Legacy and Legacy XL (high-profile) series feature darker tones of rust, gray and black. Shingles are treated with the 20-year Scotchgard coating.

      If you are still concerned about the possibility of stains, you can also consider metal roofing as an alternative to asphalt shingles for preventing any algae and moss stains / growth on the roof.

      Let us know how it goes and Good Luck!

      Reply
    • Streaking is usually caused by algae. Copper kills algae.

      GAF new redesign for Timberline Ultra shingles features copper wrapped through the granules of the shingles. The surface area of the through-part of the granules is the key here.

      Basically, GAF figured out how to put tiny hole inside of the granules, thus increasing the surface area of a shingle granule immensely — like a whole lot.

      Thus, Copper is applied through the granules, not just on the outside surface.

      Hope this helps!

      Kirby Smith

      Reply

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