One of a handful of CertainTeed ShingleMaster PRO contractors in Maryland
That credential is what lets us back a Landmark PRO roof with warranty coverage most contractors in this state simply aren’t approved to offer. Here’s what the certification means for your roof, and why Landmark PRO is the shingle we install on our own contracts.
- MHIC License 05-148974
- CertainTeed ShingleMaster PRO Credentialed
- Serving Bowie, MD & surrounding areas
What this certification actually gets you
This is the heaaWarranty coverage tied to your contractor, not just your shinglesding
CertainTeed only lets ShingleMaster PRO contractors offer its enhanced SureStart PLUS warranty tiers. A standard install from a non-certified roofer doesn't qualify, no matter which shingle you choose.
Installation held to a manufacturer's standard, not just a code minimum
To earn and keep the credential, our crews follow CertainTeed's documented application requirements, not just the local building code minimum.
A manufacturer that backs the workmanship, not only the shingles
Because we're credentialed, CertainTeed will stand behind our installation quality directly, on top of its standard material warranty.
Fewer disputes if something ever goes wrong
With a manufacturer-backed workmanship warranty in place, you're not left arguing over whether a leak was a materials issue or an installation issue.
Why so few contractors hold this credential
CertainTeed caps ShingleMaster PRO status to contractors who complete its training program, maintain strong customer satisfaction records, and pass regular quality checks. Most roofing companies in Maryland aren't approved to offer it, which is part of why estimates can look similar on paper but carry very different warranty backing.
25-yr
Max workmanship coverage available*
Warranty options available through GRB
Every CertainTeed shingle carries a standard SureStart warranty. As a ShingleMaster PRO contractor, we can also register your roof for SureStart PLUS, which extends and un-prorates that coverage and adds a manufacturer-backed workmanship warranty.
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Coverage
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Standard manufacturer warranty
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GRB / SureStart PLUS enhanced warranty
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Material defects
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Covered, with the non-prorated period limited to the first few years, then reduced coverage for the remaining term.
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100% material coverage, non-prorated, for the full extended term[confirm years for the tier you select].
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Labor to repair or replace
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Limited to the initial non-prorated period only.
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Included for the full extended term, not just the first few years.
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Tear-off & disposal
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Not included.
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Included at higher enhanced tiers[confirm which tier includes this].
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Workmanship (install quality)
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Not backed by the manufacturer. Contractor-only coverage, if offered.
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Backed directly by CertainTeed for up to [25] years, available only through certified contractors.
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Transferability
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Typically transferable once, with conditions.
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Transferable to a new owner, extending resale value on the home.
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Why Landmark PRO is our primary shingle
We install other CertainTeed lines when a project calls for it, but Landmark PRO is the shingle we spec by default. It’s a heavier, dual-layer laminate shingle built to replicate the look of cedar shake, with the technology package that makes the enhanced warranty worth having in the first place.
StreakFighter algae resistance
Copper-infused granules resist the dark streaking caused by algae growth, so the roof keeps its color instead of blotching within a few humid Maryland summers.
NailTrak nailing zones
A built-in nailing line gives our crews a precise, consistent target on every shingle, which is part of how a ShingleMaster PRO install stays within CertainTeed's tolerance for warranty eligibility.
Two-layer laminate construction
A heavier, dual-layer build than a standard three-tab or entry architectural shingle, giving the roof more dimension and a more durable wear surface.
Class A fire & up to 110 mph wind rating
Independently rated for fire resistance and engineered to stay sealed in sustained high winds, which matters through Maryland's seasonal storm swings.
Max Def color technology
Multi-tonal granule blends and shadow lines give each color depth instead of a flat, uniform tint, closer to natural wood shake than a standard architectural shingle.
Lifetime limited, transferable warranty
Backed by CertainTeed's material warranty on top of the enhanced coverage GRB can register as a certified installer.
Color, performance, and long-term value
Landmark PRO comes in a range of Max Def colors designed to look right on Colonial, Craftsman, and Cape-style homes across the area. A few of the most requested:
Charcoal Black
Deep, near-black tone with subtle shadow variation
Cobblestone Grey
Warm mid-grey, pairs with stone and brick exteriors
Espresso
Rich brown with warm undertones
Evergreen
Muted green, reads almost neutral from the street
Colors shown are approximate.
Performance
The dual-layer build and CertaSeal adhesive keep the roof sealed against wind uplift and moisture through Maryland's freeze-thaw winters and summer storms.
Curb appeal
The cedar shake profile and Max Def color depth read as a step up from a standard architectural shingle, which matters at resale as much as it does from the street.
Long-term value
A transferable, manufacturer-backed warranty is something an appraiser or buyer's inspector can point to, not just a verbal assurance from the original install.
Why choose GRB as your CertainTeed contractor
One of a handful of ShingleMaster PRO contractors in Maryland
Not every roofer who sells CertainTeed shingles can register the enhanced warranty. We can.
We handle warranty registration
You don't have to track down paperwork after the job. We register the SureStart PLUS coverage directly with CertainTeed.
Licensed and insured
MHIC License 05-148974, with proof of general liability and workers' comp insurance provided before any contract is signed.
A written, itemized estimate
Product, underlayment, warranty tier, and scope spelled out in the quote, not left implied.
Get the certification, the shingle, and the warranty that actually match.
One conversation with a ShingleMaster PRO contractor is worth more than comparing five quotes from roofers who aren’t credentialed to offer the same coverage.