GAF Certified Roofing Contractors in Alpharetta, GA
Top-rated roof replacement using Timberline HDZ shingles. Trusted by Alpharetta homeowners for quality craftsmanship and exclusive GAF warranty protection.
Why Alpharetta Homeowners Choose Need Construction
Professional Roof Replacement in Alpharetta
When Alpharetta homeowners need a roof replacement they can count on, they call Need Construction. We've been serving North Fulton County with GAF-certified roofing installations that stand up to Georgia's toughest weather.
Every roof replacement we perform in Alpharetta starts with a full tear-off of the old roofing material — we never layer over existing shingles. Once stripped, our crew inspects every inch of the decking for soft spots, rot, or structural issues. Homes along Windward Parkway, in the Windermere and Crooked Creek neighborhoods, and throughout downtown Alpharetta rely on this thoroughness to protect their investment.
From there, we install GAF's complete weather protection system: leak barriers in valleys and along eaves, roof deck protection across the entire surface, and starter strip shingles engineered for high-wind resistance. This layered approach is why our roofs hold up through the severe summer storms and winter freeze-thaw cycles that hit North Georgia every year.
Most residential roofing projects in Alpharetta are completed in just 1-2 days. We coordinate material delivery, crew scheduling, and cleanup so your daily routine is barely interrupted. Our job sites are left cleaner than we found them — we run a magnetic nail sweep across your entire yard and driveway before we leave.
What's Included in Every Replacement
- Full removal of old roofing and structural inspection of decking
- Installation of GAF's complete weather protection system
- High-wind and storm-resistant shingle technology
- Efficient 1-2 day turnaround for most residential homes
Storm Damage?
If your Alpharetta home was hit by hail or wind, we handle the insurance claim process alongside your replacement. Free storm damage inspections for all North Fulton homeowners.
Schedule Free InspectionReady for a New Roof in Alpharetta?
Get a no-obligation quote from a GAF Certified contractor. Most estimates delivered within 24 hours.
GAF Certified Roofing Excellence
GAF Certification isn't handed out freely. Only the top 2% of roofing contractors in the country earn this distinction — and it's the reason Alpharetta homeowners get access to the strongest warranty protection in the industry when they work with Need Construction.
Becoming a GAF Certified roofer in Alpharetta means our crews are factory-trained on every product in the GAF system. We don't just nail shingles — we understand how leak barriers, ventilation, and underlayment work together to give your roof decades of performance. That expertise is especially important in areas like Alpharetta, Milton, and Johns Creek where homes range from traditional colonials to modern builds, each with unique roofing challenges.
The real benefit for you? Access to exclusive GAF warranties that non-certified contractors simply cannot offer. Our installations qualify for GAF's System Plus and Silver Pledge warranties, which cover both materials and workmanship. If something goes wrong with the installation, GAF pays to fix it — not you.
We install GAF Timberline HDZ shingles on the majority of our Alpharetta projects. These are North America's best-selling shingles for good reason: LayerLock™ technology delivers 130 MPH wind resistance, StainGuard Plus™ prevents the black algae streaks that plague roofs in Georgia's humidity, and the dimensional look adds serious curb appeal. We also perform a full ventilation analysis to ensure your attic breathes properly — the single most important factor in how long your new roof lasts.
Top 2% Nationwide
GAF Certification requires passing rigorous training, maintaining proper licensing and insurance, and demonstrating a proven track record of quality installation.
Exclusive Warranties
Access GAF System Plus and Silver Pledge warranties that cover both materials and labor — only available through certified installers.
Timberline HDZ Performance
130 MPH wind resistance with LayerLock™, StainGuard Plus™ algae protection, and a dimensional aesthetic that elevates your home's curb appeal.
Ventilation Analysis
Proper attic ventilation extends roof life by years. We assess intake and exhaust airflow on every project to prevent premature shingle degradation.
Roofing Projects in Alpharetta
Browse recent roof replacements and repairs completed by our GAF Certified crew throughout the Alpharetta area.

Modern Two-Story Home with New Siding

Stunning Luxury Home with Custom Exterior Remodeling

Stunning New Custom Home Construction Project

New Home Construction with Metal Roofing

Severe Storm Damage to Residential Roofing

Severe Storm Damage to Residential Roofing

Severe Storm Damage to Residential Roof

Luxury Outdoor Living Space and Custom Pool

Multi-Level Wooden Deck and Siding Installation
What Alpharetta Homeowners Say
Real reviews from your neighbors across North Fulton County.
"It's tough to find people you feel like you can trust not to try and get over on you. I spoke with Wes about work I needed to get done and was surprised at his level of honesty and professionalism. Putting that with the word of mouth on the quality of his work... and I wouldn't/won't hesitate to work with him on my next project."
MARSHALL NORTHINGTON
2026-03-02
"Wes is awesome! He helped rectify work done by a previous contractor and we would definitely recommend to anyone in the area!"
Austin Campbell
2026-02-01
"Great service ! Outstanding staff and was on time and efficient work was all around beautiful I have referred this company for many other jobs and plan to use them for many more projects"
Brianna Moore
2026-01-17
"We had a major project to be undertaken. Need construction to the rescue!! We had water damage to some of the framing on the home exterior and major deck demo and rebuild. They handled it all. I had some unique requests that I wanted installed on my deck. The DekDrain rain system along with the full composite Dekorators Summit boards and railing with a cocktail rail was our desire. We also had to have a concrete patio area below. Wes and his team made it all happen. The subframe was built with better materials that any other contractor had even offered and I was impressed with that alone. I have no doubt that hurricane force winds would have no effect on this fortress of a deck. Even the city inpectors were wowed by the build quality. The craftsmanship and finishing of the final product is top tier. They will take the time to make sure it's your dream come true."
Rodney Anderson
2026-01-16
"It was great working with Wes and the team at Need Construction. Wes was always in constant communication managing the project and made sure we were happy with the work during every part of the process. Very happy with the quality and workmanship of our new patio, couldn’t ask for much more!"
Lourdes Xavier Alfred Raj
2025-12-04
"Wes and his crew did a great job at a reasonable price rebuilding my shed roof after a tree feel onto it"
Paul Shaffer
2025-12-04
Alpharetta Roofing Questions
Answers from our GAF Certified team about roof replacement, costs, and warranties in the Alpharetta area.
How much does a roof replacement cost in Alpharetta?
Most Alpharetta homeowners invest between $12,000 and $30,000 for a full roof replacement. The final cost depends on your home's square footage, the grade of materials you choose, and the complexity of your roof — steep pitches, multiple valleys, and dormers all add labor. We provide detailed, line-item estimates after an on-site inspection so there are no surprises.
What are the benefits of GAF Timberline HDZ shingles?
Timberline HDZ shingles feature GAF's LayerLock™ technology, which mechanically fuses each shingle layer for 130 mph wind resistance — critical here in North Georgia where summer storms hit hard. They also include StainGuard Plus™ time-release algae protection to keep your roof looking clean in our humid climate. When installed by a GAF Certified contractor like Need Construction, they qualify for a lifetime limited warranty.
How do I get a roofing quote in Alpharetta?
Call us at (470) 284-5348 or fill out our online form to schedule a free on-site inspection. We'll measure your roof, check the decking and ventilation, and deliver a detailed digital estimate — usually within 24 hours. If we find storm damage during the inspection, we also assist with insurance claims at no extra charge.
Is Need Construction the best roofing company in Alpharetta?
We're proud to be one of only a handful of GAF Certified contractors serving Alpharetta — a distinction held by the top 2% of roofers nationwide. Our team specializes in high-end residential projects throughout North Fulton County, and our reputation is built on clean job sites, on-time completion, and honest pricing. Check our reviews from Alpharetta homeowners and judge for yourself.
What does a GAF roofing warranty cover?
GAF's warranty system covers manufacturing defects on the shingles themselves, plus workmanship and labor coverage when installed by a certified contractor. This means if anything goes wrong with the installation, GAF backs the repair — not just the materials. The warranty is also transferable to future homeowners, which adds real resale value to your Alpharetta home.
How long should a roof last in North Georgia?
A properly installed asphalt shingle roof in the Alpharetta area typically lasts 20 to 30 years. Georgia's humidity, intense summer UV exposure, and occasional severe storms can shorten that lifespan if ventilation is poor. That's why we include a full attic ventilation analysis with every installation — proper airflow prevents heat buildup that degrades shingles from the inside out.
Do you offer emergency roof repairs?
Yes. When storms roll through Alpharetta and North Fulton County, we prioritize emergency tarping and leak containment to protect your home's structure and interior. We'll diagnose the damage, secure exposed areas, and help you determine whether a repair or full replacement makes the most financial sense.
How do I know if I need a new roof or just repairs?
If your roof is over 20 years old, you're seeing widespread granule loss in your gutters, or shingles are curling and cracking across large areas, replacement is usually the smarter investment. Frequent leaks and interior water stains are also strong indicators. We'll give you an honest assessment — if targeted repairs can buy you another 5-10 years, we'll tell you that too.
Still have questions?
We're here to help you find the answers.
Related Services in Your Area
Need Construction handles more than roofing. Explore our other services available to Alpharetta and North Fulton County homeowners.
Decks & Porches in Alpharetta
Custom deck construction and porch additions for Alpharetta homes. Composite and hardwood options built to last in Georgia's climate.
Siding in Alpharetta
Professional siding installation and replacement. Pair your new roof with updated siding for maximum curb appeal and protection.
Decks & Porches in Milton
Serving neighboring Milton with the same quality craftsmanship. Custom outdoor living spaces designed for North Fulton families.
Protect Your Alpharetta Home with a GAF Certified Roof
Schedule your free inspection today. We'll assess your roof's condition, explain your options, and deliver a detailed estimate — no pressure, no obligation.
Roofing Contractors Serving Alpharetta, GARoswell
Need Construction proudly serves Alpharetta and surrounding North Fulton communities including Milton, Johns Creek, and Roswell. Contact us for a free on-site roofing estimate anywhere in our service area.
Hours
Monday - Friday: 9am - 6pm
Saturday: 9am - 5pm
Sunday: Closed