Dunwoody, GA
Roof Replacement
Marietta, GA
HDZ System Upgrade | Marietta
This roof replacement in Marietta, GA restored full protection to the home using GAF Timberline HDZ shingles in Charcoal. The project improved weather resistance, reinforced critical leak-prone areas, and delivered a durable, manufacturer-backed roofing system designed for Georgia’s varied roof pitches and seasonal storms.
Project Overview
Following age-related wear and exposure to the elements, the homeowner began experiencing declining roof performance, including aging shingles, vulnerable flashing areas, and concerns around ventilation efficiency. An inspection confirmed the need for a full roof replacement to address worn materials, improve leak protection, and ensure long-term system reliability. Given the home’s multiple roof pitches, additional attention was required to properly protect low-slope sections and ventilation components.
Results
The completed roofing system delivered immediate improvements in protection, performance, and overall roof integrity. GAF Timberline HDZ shingles in Charcoal were installed to provide enhanced wind resistance, consistent coverage, and long-term durability. Synthetic underlayment and ice and water shield were applied at valleys, penetrations, and other critical areas to strengthen leak protection. Ridge ventilation was installed across all ridges to promote proper airflow, while all pipe boots, flashing, and exhaust components were replaced or sealed as needed. Select decking repairs were completed where necessary to ensure a solid nailing surface. With installation completed to manufacturer and local code standards, the home now has a dependable roofing system built to perform across all roof pitches.
Materials Used
Roofing
GAF Timberline HDZ shingles – Charcoal
GAF Seal-A-Ridge hip & ridge cap – Charcoal
Underlayment & Protection
Tri-Built synthetic underlayment (4 rolls)
Tri-Built ice & water shield (1 roll)
Starter & Edge Protection
House brand starter shingles (4 bundles)
Drip edge – 10" x 5" x 2" black (eaves) (23 pcs)
Drip edge – 10" x 4" x 2" black (rakes) (13 pcs)
Ventilation & Accessories
Built-in 4' ridge vent (28 pcs)
3-in-1 pipe boots with rain collars – Black (3 boots)
7" gooseneck exhaust vent (1 vent)
Flashing & Metals
Rolled flashing – 25' galvanized (24" wide) (1 roll)
Step flashing – 2" x 4" x 8" black (2 boxes)
Headwall flashing – 4" x 4" black (1 pc)
Decking & Lumber
CDX decking (10 boards)
Fasteners & Sealants
1 1/4" aluminum nails (1 box)
Galvanized nail coils – 1 1/4" (2 boxes)
Stinger NailPac (3 boxes)
NP1 sealant – Black (2 tubes)
NP1 sealant – Clear (1 tube)
Finishes
Black spray paint (2 cans)
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