The Eva-Last Pioneer Grooved Decking Board — 20 ft is the flagship board in Eva-Last's Pioneer composite collection, engineered to permanently redefine what composite can look and feel like. At 5.5" wide × 1.0" thick and 16 feet long, this grooved board installs seamlessly with HULK hidden fastener clips for a smooth, fastener-free deck surface. A bamboo foamed-PVC and glass fiber-reinforced core delivers exceptional span capability up to 550 mm center to center, dimensional stability, and lasting strength — while a photorealistic print surface faithfully replicates the rarest and most sought-after hardwood species with zero repeating grain patterns across the entire pallet. The 16 ft length is ideal for larger deck runs, minimizing end-to-end butt joints for a cleaner, more natural finis
Bamboo Foamed-PVC Core - Photorealistic Hardwood Print - 50-Year Residential Warranty - 15-Year Commercial Warranty - No Sanding · No Staining - No Sealing - Zero Repeat Grain Pattern - Solar-Powered Manufacturing
| Brand / Collection | Eva-Last / Pioneer |
| Profile | Grooved Board (Single-Sided) |
| Board Length | 20 ft (4,877 mm) |
| Board Width | 5.5" (140 mm) |
| Board Thickness | 1.0" (24 mm) |
| Core Material | Bamboo Foamed-PVC with Glass Fiber Reinforcement (GFR) |
| Surface Technology | Photorealistic Print with Clear Protective Wear Layer |
| Weight | 2.7 kg/m (approx. 13.2 kg / 29 lbs per 16 ft board) |
| Max Joist Span | 550 mm (21.6") center to center |
| Fastening System | HULK Hidden Fastener Clips — S-Series or Chain-Collated (grooved edge) |
| Available Colors (US) | Barrel Oak, Natural Ipe, Weathered Ash |
| Color Collections | Pioneer Classics (understated); Pioneer Indigenous (high variegation) |
| Finish | Matte |
| Residential Warranty | 50 Years (Limited) |
| Commercial Warranty | 15 Years |
| Fade & Stain Warranty | Yes — included |
| Repeat Pattern | Zero-repeat across full pallet (Indigenous collection) |
| Thermal Expansion Coefficient | 33.4 × 10⁻⁶ mm/m/°C (0.0000185"/"/°F) |
| Maintenance Required | Basic cleaning only — no sanding, staining, or sealing |
| Sustainability | Manufactured using solar power; uses bamboo & recycled plastics; prevents deforestation |