What types of cushion fillings are most suitable for landscape sofas to resist moisture and mold?

When selecting cushion fillings for landscape sofas, moisture and mold resistance are critical factors to ensure longevity and comfort. Here are the top materials ideal for outdoor use:

1. High-Resiliency (HR) Foam: Treated with antimicrobial coatings, HR foam resists mold and retains shape well, though it requires a waterproof cover for full protection.

2. Polyester Fiberfill: Lightweight and quick-drying, polyester is naturally moisture-resistant. Opt for high-density variants for better durability.

3. Closed-Cell Foam (e.g., Evlon): Highly water-resistant and mold-proof, this foam is perfect for humid climates but can be firmer than other options.

4. Outdoor Down Alternatives: Synthetic fills like PrimaLoft® mimic down’s softness while offering superior moisture-wicking properties.

5. Coir (Coconut Fiber): A natural, breathable option that dries quickly and resists mold, though it may need occasional airing.

For optimal performance, pair these fillings with waterproof, UV-resistant covers and ensure proper ventilation to prevent moisture buildup. Regular cleaning and storage during extreme weather will further extend their lifespan.

By choosing the right filling, your landscape sofa will remain comfortable and stylish, even in challenging outdoor conditions.