Wood vs. Aluminum Pergola Cost in 2026 (Full Comparison)

Wood pergolas cost $25 to $55 per square foot installed in 2026, while aluminum pergolas cost $30 to $60 per square foot -- making them nearly equal in upfront cost. The real cost difference emerges over time: a $5,000 wood pergola requiring $300/year in maintenance costs $11,000 over 20 years, while a comparable $7,000 aluminum pergola costs $7,300 total. Aluminum wins the long-term value contest.

I tracked 5 pergola projects last year -- 3 cedar, 2 aluminum -- and the maintenance reality is what changes most homeowners' minds after year 3. A beautiful cedar pergola in Virginia looked stunning at installation. By year 2, the UV had grayed the wood and the homeowner spent a weekend and $400 on power washing and staining. The aluminum pergola next door? A 30-minute hose-down twice a year. Same look, zero weekends lost.

Use our Pergola Calculator to compare costs for your specific size and material preferences.

Head-to-Head Cost Comparison

Wood Pergola: Pros, Cons, and Real Costs

Pros

• Natural beauty -- Real wood grain, warm tones, and organic texture create an inviting atmosphere that aluminum cannot fully replicate
• Easy customization -- Wood can be cut, carved, notched, and shaped on-site with standard tools
• Lower upfront cost (PT pine) -- PT pine is the cheapest pergola option at $25-$40/sq ft installed
• Repairable -- Damaged sections can be replaced individually without affecting the whole structure

Cons

• Ongoing maintenance -- Staining/sealing every 1-3 years at $150-$400 per application
• Rot and insect risk -- Even treated wood eventually succumbs to moisture and termites
• Warping and splitting -- Wood moves with temperature and humidity changes
• Shorter lifespan -- PT pine: 10-15 years; cedar: 15-25 years

Maintenance Cost Over Time

Aluminum Pergola: Pros, Cons, and Real Costs

Pros

• Zero maintenance -- Powder-coated finishes resist fading, rust, and corrosion for 25+ years
• Longest lifespan -- 25-40+ years with no structural degradation
• Consistent appearance -- Will not warp, crack, split, or gray over time
• Strongest spans -- Aluminum beams span longer distances without sagging
• Fire resistant -- Critical in wildfire-prone areas
• Insect proof -- No termite or carpenter ant risk

Cons

• Higher upfront cost -- $30-$60/sq ft installed (20-30% more than PT pine)
• Heat absorption -- Aluminum gets hotter to the touch in direct sun than wood
• Less natural aesthetics -- Wood-grain powder coating looks good but is not identical to real wood
• Harder to modify -- Cutting and drilling aluminum on-site requires specialized tools
• Limited DIY potential -- Most aluminum pergola kits require 2+ people and precise leveling

Popular Aluminum Pergola Brands

Decision Framework

Choose Wood If:

1. Budget is tight -- PT pine at $25-$40/sq ft is the cheapest option
2. You want true wood character -- Nothing matches real wood grain and warm tones
3. Custom design is needed -- Wood is easier to customize on-site
4. You enjoy maintenance -- Some homeowners find annual staining therapeutic
5. Short-term ownership -- If you plan to sell within 5-7 years, the lower upfront cost matters more

Choose Aluminum If:

1. You want zero maintenance -- No staining, sealing, or painting ever
2. Long-term value matters -- Aluminum costs less over 15+ years
3. Fire-prone area -- Aluminum will not ignite from embers
4. Modern aesthetic -- Clean lines and consistent color suit contemporary designs
5. Harsh climate -- Aluminum handles humidity, salt air, and extreme temperatures better than wood

Frequently Asked Questions

Are aluminum pergolas cheaper than wood in the long run?

Yes -- aluminum costs 20-40% less over 20 years despite higher upfront pricing. A $7,000 aluminum pergola with $50/year in cleaning costs $8,000 over 20 years. A $5,000 cedar pergola with $250/year in maintenance costs $10,000 over 20 years, plus potential structural repairs.

Do aluminum pergolas look like real wood?

Modern powder-coated aluminum comes very close but is not identical. Wood-grain powder coating replicates wood color and texture convincingly from 5-10 feet away. Up close, the repeating pattern and metallic feel distinguish it from real wood. Most homeowners find the appearance acceptable, especially given the maintenance savings.

Can you attach a pergola to your house?

Both wood and aluminum pergolas can be attached to the house via a ledger board. Attachment requires proper flashing and lag bolts into the house framing. Aluminum attached pergolas may need adapter brackets to connect the aluminum beams to the wood ledger. Always pull a permit for attached structures.

How do wood and aluminum pergolas handle snow?

Aluminum handles snow loads better than wood. Aluminum's uniform strength and precise engineering allow it to meet snow load requirements without oversizing. Wood can crack under heavy snow loads, especially if it has developed rot or checking. Both materials should be rated for your local snow load requirements.

Which material is better for a covered pergola?

Aluminum is better for covered pergolas because polycarbonate panels, fabric shade, and louvered roofs all integrate more cleanly with aluminum frames. Aluminum's dimensional stability prevents the warping that can cause cover leaks on wood pergolas. Motorized louvered roofs are available only in aluminum.

Cost data sourced from Angi, HomeGuide, A&S Aluminum, and Structureworks. Prices reflect 2026 national averages and may vary by region.