GAF Timberline HDZ
GAF Timberline HDZ architectural shingles — 25–30 year performance, 130 mph wind rating, Class 3 impact resistance, and a Lifetime Limited Warranty. The shingle we install most often on north-central Minnesota homes.
Minnesota performance
How GAF Timberline HDZ performs in Minnesota
Class 3 impact resistance handles typical Minnesota hail events well. LayerLock technology improves wind uplift resistance to 130 mph — relevant for Mille Lacs Lake area exposure and open-country sites. Ice and water shield at eaves (minimum 3 feet) required for proper MN installation; HDZ pairs well with this and performs through repeated freeze-thaw cycles.
At a glance
- Price tier
- Mid-Range Architectural
- Lifespan
- 25–30 years
- Warranty
- 50 years
- Wind rating
- 130 mph
- Impact rating
- Class 3
- Fire rating
- Class A
- Manufacturer
- GAF
Why we recommend it
Best for homeowners who want a proven architectural shingle with strong wind and impact ratings that has held up through decades of Minnesota winters.
Minnesota fit
LayerLock adhesive strips and the 130 mph wind rating handle both ice-dam season and the wind exposure common around Mille Lacs Lake and open central Minnesota farmland. Class 3 impact resistance covers the hail events typical of our storm corridor.
Colors and curb appeal
Available in a broad color palette from weathered-wood tones to slate grays — the dimensional shadow line reads well on most standard residential roof pitches.
Why it works
GAF Timberline HDZ advantages
Minnesota climate tested
Class 3 impact resistance handles typical Minnesota hail events well.
130 mph wind rating
Engineered to hold through the severe wind events that cross central Minnesota each spring and fall.
Class 3 impact resistance
Hail season in Minnesota runs May through September. Class 3 impact resistance is the highest class available.
Class A fire rating
Top-tier fire resistance provides maximum protection and may reduce your homeowner's insurance premium.
Specifications
Full specification sheet
| Material type | asphalt shingle |
| Manufacturer | GAF |
| Price per sq ft (installed) | $4.50–$6.50 |
| Expected lifespan | 25–30 years |
| Manufacturer warranty | 50 years |
| Wind uplift resistance | 130 mph |
| Impact resistance (UL 2218) | Class 3 |
| Fire resistance (ASTM E108) | Class A |
Manufacturer resources
Official resources from GAF
We pull product details, warranty terms, and installation specs directly from the manufacturer.
Available through our supply network. Final color, product, and accessory confirmation happens at the proposal stage — branch availability varies.
Common questions
GAF Timberline HDZ FAQ
Questions about installation? See our roof replacement service or request a free estimate.
Ready for a free estimate on GAF Timberline HDZ?
We'll inspect your roof, confirm gaf timberline hdz is the right fit for your structure and budget, and give you a written estimate before any work starts.