Guaranteed Roof
Guaranteed Roof
Guaranteed Roof is an Alpharetta roofing contractor serving residential and commercial properties across Georgia. Its services include roof rejuvenation, cleaning, replacement and commercial coatings; Roof Maxx® is a soy-based spray treatment for asphalt shingles.
Last Updated October 2, 2026.
Business Highlights
- GAF-certified roofing contractor.
- Certified Roof Maxx® dealer.
- Authorized Roof Shampoo® contractor.
- Each Roof Maxx® treatment comes with a five-year transferable warranty.
Service Area
Alpharetta and locations across Georgia, North Carolina, South Carolina and Tennessee.
Active Business Listing
Guaranteed Roof is one of 10 roofers ProsGrade lists in Alpharetta, Georgia.
5 services listed, including Roof rejuvenation, Roof replacement and Roof cleaning. Open 7 days a week. Rated 4.7 from 372 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Guaranteed Roof compares with the other 9 roofers on ProsGrade in Alpharetta, using public Google ratings and review counts.
- Has more Google reviews (372) than 8 of the 9 other Alpharetta roofers on ProsGrade.
- One of 10 Alpharetta roofers on ProsGrade rated 4.7 or higher from at least 10 reviews.
Services Covered
5 services- Roof rejuvenationRoof Maxx® soy-based spray treatment for asphalt shingles
- Roof replacementResidential homes and commercial buildings
- Roof cleaningRoof Shampoo®; bleach- and phosphate-free formula with a specialized low-pressure brush system
- Commercial roof coatingsFAR® FiberSeal Base, a fiber-reinforced spray membrane for flat, low-slope, metal or membrane roofs
- Disaster response and roof repairEmergency tarping, temporary patches, shingle repairs and leak repairs
Reviews
What customers say
Several customers praise thorough work and cleanup, including washing siding and a driveway and cleaning a terrace after roof jobs. One customer described a townhouse that was three stories high at the front and accessed from the back terrace, with a process walkthrough and detailed checklist. Another customer said a roof installed early that year was already falling apart and repeated attempts to reach the office brought no return call; the company replied that it had been trying to call and said shingles were falling off.
Customer Reviews
Toby Martin
Christian Brown was awesome. He did a thorough job and even went the extra mile and cleaned up so they everything looked brand new. Super nice guy as well. I could not recommend this company and Christian more.
laida folk
Janie Hodge
Christopher Fullagar
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Frequently Asked Questions
How does Guaranteed Roof assess whether a roof needs replacement?
It says its inspection checks shingle flexibility, granule loss, roof-deck integrity and organic growth, then uses the findings to match the roof to a service.
How long does a roof replacement usually take?
The company says a complete tear-off and installation for most standard residential properties takes 1 to 2 days, weather permitting.
Are financing options available for a roof replacement?
Financing options are available for a new roof installation or replacement.
Does Guaranteed Roof provide emergency roof service at night or on weekends?
It says emergency response is available on nights and weekends for critical situations, including tarping and emergency leak repair.
What warranties are available for a GAF roof replacement?
The company lists the GAF System Limited Warranty, which covers qualifying GAF shingles and accessories and provides 10 years of 100% coverage against manufacturing defects; it also describes a System Plus option extending that coverage to 50 years, with tear-off costs included if needed.








