18mm Plywood Waterproof
Size (mm): Standard size 1220x2440mm; Customized 1220x2745mm
Thickness: 5mm, 6mm, 12mm, 15mm, 18mm, 25mm or customized
Core material: Poplar eucalyptus combination hard core or eucalyptus
Surface treatment: Color: wood grain, marble, solid color, etc.
Texture: Matt, embossed, glossy, high gloss, super matte
Advantages: More durable, good nail holding performance, moisture/waterproof, suitable for daily use
18mm Plywood Waterproof for Heavy-Duty Outdoor Construction
When you need reliable protection against rain, humidity, or coastal salt spray, our 18mm plywood waterproof solution delivers unmatched performance. Engineered with marine-grade adhesives and double phenolic coatings, this plywood withstands 72-hour water immersion while maintaining its structural integrity—perfect for roofing, concrete formwork, and exterior cladding.
Technical Specifications
| Feature | Detail |
|---|---|
| Thickness | 18mm (±0.5mm tolerance) |
| Waterproof Certification | EN 314-2, BS 1088, 72-hour boil test |
| Core Material | FSC-certified tropical hardwood |
| Surface Treatment | UV-resistant phenolic coating |
| Load Capacity | 600kg/m² (evenly distributed) |
Built for Demanding Environments
① Commercial Roofing Systems
Ideal for flat roofs in hurricane-prone areas. 10-Year Weatherproof Guarantee included.
② Concrete Formwork
This material resists warping even during heavy monsoon rains, allowing for precise and consistent pours without compromising the quality or integrity of your work.
③ Coastal Cladding
It effectively prevents saltwater corrosion, making it an ideal choice for use in seaside resorts and marinas where exposure to harsh marine environments is constant.
Why Contractors Trust Us?
✅ Global Climate Resilience
- Withstands -40°C to 80°C thermal shifts
- Hurricane-force wind resistance (ASTM D7158)
- 0.02% thermal expansion coefficient
✅ Cost Efficiency vs. Alternatives
| Material | Cost Over 10 Years | Maintenance Frequency |
|---|---|---|
| Our 18mm Plywood | $18.7/m² | None |
| Standard Plywood | $43.2/m² | Biannual replacements |
| Steel Sheets | $29.5/m² | Rust treatments |
Proven in Global Projects
15,000+ sheets installed in:
- Dubai Marina high-rises (50°C heat resistance)
- Singapore airport terminals (95% humidity)
- Norwegian floating docks (-30°C durability)
"This plywood cut our cladding replacement costs by 60% in typhoon zones."
– Coastal Builders Ltd., Philippines
Flexible Ordering & Shipping
🛳️ Real-Time Inventory
- Rotterdam: 8,000 sheets ready
- Los Angeles: 5,200 sheets
- Singapore: 6,500 sheets
📦 Bulk Order Benefits
| Quantity | Price/Sheet | Container Optimization |
|---|---|---|
| 500+ | $21.80 | 800 sheets/40ft HQ |
| 1,000+ | $20.40 | Custom pallet stacking |
Your Climate-Specific Solution
Whether you’re building in desert heat or Arctic cold, we tailor solutions:
- Middle East: Sandstorm-resistant edge sealing
- North Europe: Anti-icing surface treatments
- Southeast Asia: Termite-proof core layers
FAQ
Q: How long does 18mm plywood waterproof last in coastal areas?
A: Our stress-test data shows 15+ years of delamination-free performance in 85% humidity.
Q: Can I get non-standard sheet sizes?
A: Yes! We cut sheets to 7’x4’, 8’x4’, or custom dimensions (±0.2mm precision).
Q: What makes your waterproofing better than competitors?
A: Triple-layer protection: moisture-resistant core, WBP glue bonds, and phenolic coating.
Q: Do you provide LEED documentation?
A: All shipments include FSC chain-of-custody certificates for green building credits.
Request Your Project Quote
Get a tailored proposal in 4 hours: 18mm Plywood Waterproof
📧 Expert Support: howie@longtermwood.com
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