What are the best materials for landscape tables in areas with high sulfur dioxide levels?

When selecting materials for landscape tables in areas with high sulfur dioxide (SO₂) levels, durability and corrosion resistance are paramount. Sulfur dioxide, a common pollutant in industrial or volcanic regions, can accelerate material degradation. Here are the top choices for long-lasting outdoor furniture:

1. Stainless Steel (Grade 316): Highly resistant to corrosion, especially in marine or industrial environments. Its chromium-nickel composition forms a protective layer against SO₂.

2. Powder-Coated Aluminum: Lightweight and naturally rust-resistant, aluminum with a powder-coated finish adds an extra barrier against acidic pollutants.

3. Marine-Grade Polymer: Synthetic materials like HDPE (high-density polyethylene) are immune to rust and rot, making them ideal for harsh conditions.

4. Teak Wood: Naturally resistant to moisture and decay, teak requires minimal maintenance and ages gracefully even in polluted areas.

5. Concrete with Sealant: Sealed concrete tables resist chemical erosion and offer a sturdy, low-maintenance option.

For optimal longevity, avoid untreated metals like iron or low-grade steel, which corrode quickly. Regular cleaning and protective coatings can further extend the life of your landscape tables in high-SO₂ environments.