Products Description
This waterproof and seawater-resistant LVL timber is made with marine-grade phenolic waterproof adhesive, possessing core characteristics such as resistance to seawater salt corrosion, high waterproofness, resistance to wet and dry cycles, and resistance to wave impact. It is specifically designed for coastal port floating docks, sightseeing floating bridges, fishing berths, sea walkways, yacht marinas, coastal viewing platforms, and offshore work scaffolding. Coastal areas constantly face harsh conditions such as seawater immersion, sea salt mist corrosion, tidal fluctuations, and sea storms. Ordinary wood materials are easily corroded, cracked, delaminated, rotten, and infested with insects. This product can effectively resist seawater and salt mist erosion, and will not swell, delaminate, or rot even after prolonged immersion in water. It is widely used in coastal cultural and tourism scenic spots, fishing docks, port cargo berthing areas, offshore aquaculture floating platforms, and coastal municipal water infrastructure, and is a core material for marine landscape engineering, port infrastructure contractors, and offshore floating bridge construction units.
PRODUCT DETAILS：
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Product Name |
Waterproof and seawater resistant LVL timber |
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Material |
New Zealand radiata pine, Russian larch, etc. |
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Length |
Up to 8.5 meters long Customized |
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Width |
90mm to 400mm Customized |
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Thickness |
35mm to 75mm Customized |
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Surface treatment |
Double-sided polishing / Anti-slip treatment, Customized Support |
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Certification Standards |
Complies with Australian and New Zealand Standards AS/NZS 4357.0. |
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Formaldehyde Emission |
Poplar products use E0 glue, while the rest use phenolic resin glue. |
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Design Style |
Modern |
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Feature |
water resistant, Anti-Corrosion, Eco-Friendly |
Application Scenarios of Floating Bridges and Docks
Floating Bridge Overall Load-Bearing Keel
The main supporting keel at the bottom of the floating bridge is in direct contact with seawater. It is repeatedly soaked and dried by tides daily. Its highly sealed waterproof structure prevents seawater salt penetration, ensuring stable overall bending strength. It can withstand the loads of pedestrians and small sightseeing vehicles without bending or sinking. Long-term structural stability significantly reduces the frequency of floating bridge maintenance and renovation.
01
Yacht and Fishing Boat Mooring Dock Frame
The internal supporting frame of the dock's pontoons is intermittently soaked in seawater, with continuous sea salt adhesion and corrosion. This product's salt-resistant adhesive layer prevents salt corrosion of the internal structure, reducing the likelihood of surface blackening and interlayer peeling. It also withstands the impact of mooring ships and waves.
02
Seaside Waterfront Boardwalks and Viewing Platform Bottom Beams
The bottom wooden support of seaside boardwalks and waterfront viewing platforms is protected from seawater accumulation and high-salt mist year-round. Its waterproof and anti-corrosion dual protection prevents salt corrosion and decay, ensuring the beauty and integrity of the coastal landscape year-round.
03
Floating Platform Supports for Offshore Aquaculture and Fishing Operations
Supporting materials for nearshore aquaculture floating rafts and temporary floating frames for fishing operations. These are designed for long-term contact with seawater and aquaculture wastewater, resisting acid and alkali seawater corrosion, moisture and mildew resistance, and are suitable for harsh offshore fishing environments.
04
Bulk Procurement Main Materials for Coastal Port and Maritime Engineering Projects
Standardized specifications, consistent seawater resistance across batches. Capable of undertaking bulk orders for coastal multi-unit wharves and large-scale offshore cultural tourism floating bridges. Stable supply, suitable for overseas port and maritime infrastructure export projects.
05
Waterproof and Seawater-Resistant Material and Core Performance Advantages
Made from carefully selected high-density, low-porosity rotary-cut veneer, combined with marine-grade seawater-resistant phenolic resin, and formed under high pressure in a closed-loop lamination process. The ends of the boards are fully sealed with waterproof edge banding, providing triple protection against seawater and salt spray penetration from the substrate, adhesive layer, and ends, making it suitable for both freshwater and near-shore seawater environments. Its dense internal structure eliminates capillary seepage channels, resulting in a water absorption rate far lower than conventional wood. It resists salt precipitation and chloride ion corrosion, and will not swell, deform, or crack after hundreds of wet and dry cycles. It boasts excellent bending and compressive strength, resisting breakage under wave impact and heavy loads. It is inherently mildew-resistant and resistant to marine insects, making it less susceptible to mold and marine borers in the humid, high-salt environment of the seaside. Precise moisture content control ensures dimensional stability under diurnal temperature variations and tidal changes, preventing warping and twisting.
High-density, compact veneer reduces water penetration
Strictly selected wood veneers with tightly packed fibers and minimal pores eliminate loose, porous materials that easily absorb salt and water, reducing the probability of seawater and salt penetration from the source and enhancing the basic waterproof and salt-resistant capabilities.
Marine-grade seawater-resistant phenolic adhesive resists salt corrosion and hydrolysis
Unlike ordinary wood glue, marine-grade phenolic waterproof adhesive is used. It will not hydrolyze or soften when soaked in seawater, and chloride ions cannot corrode the adhesive layer. The interlayer adhesion remains stable over the long term, preventing seawater intrusion and delamination.
Fully sealed waterproof edge banding solves the problem of wood's water absorption
Wood ends are a major source of water penetration. After cutting, all finished products undergo a waterproof sealing coating treatment, completely sealing the capillaries on the end surfaces, preventing seawater from seeping into the core of the board during tidal immersion.
Resistant to wet and dry cycles, maintaining its shape regardless of tidal fluctuations
Prolonged constant-temperature curing at the factory releases internal stress. Under daily alternating seawater immersion and air drying conditions, its expansion and contraction coefficient is extremely low, ensuring straight and flat timber, and seamless, arch-free pontoon bridge installation.
Production Process and Precision Craftsmanship for Port Floating Bridges
Complete Process Flow: High-density veneer grading and screening, segmented low-temperature gradient drying, fully automated uniform coating with seawater-resistant adhesive, parallel grain balancing assembly, ultra-large tonnage constant temperature and high-pressure hot pressing, multi-day long-term stress curing, CNC precision cutting to size, four-sided fine sanding, and double-layer waterproof sealing coating at the ends. The entire process is designed for seawater resistance and salt corrosion resistance, strictly controlling the density, moisture content, and sealing integrity of the veneers. Finished product dimensional tolerances are extremely small, and splicing is tight, facilitating on-site cutting, assembly, and fixing at sea.
Double-layer raw material screening eliminates loose and defective veneers
Mechanical scanning checks for holes, cracks, and loose veneers, combined with manual sheet-by-sheet inspection, ensuring all substrates meet density standards and have no inherent water seepage risks.
Gradual low-temperature drying locks in balanced moisture content
Segmented, slow dehydration avoids high-temperature drying that can make the veneer fibers brittle, precisely matching the high-humidity environment of the seaside, balancing moisture, and reducing water absorption and expansion.
CNC uniform application of marine-grade phenolic adhesive, eliminating any gaps or thin layers
Automated equipment ensures uniform adhesive application at a consistent speed, resulting in a complete and even adhesive layer on each veneer, leaving no gaps and forming a continuous water- and salt-resistant barrier.
Ultra-high pressure integrated hot pressing eliminates internal water seepage voids
A large-tonnage press applies continuous, constant-temperature pressure, completely compacting and bonding multiple veneers, eliminating micro-cavities and blocking capillary permeation channels for seawater.
Double-layer waterproof sealing and curing treatment at the ends.
After cutting, the ends are first coated with a base sealant, then a second waterproof coating, and cured at a constant temperature, providing double protection against seawater erosion.
Four-sided sanding ensures seamless installation
Fine sanding on all four sides removes burrs and protrusions, ensuring a tight fit between the floating bridge keel joints with minimal gaps, reducing seawater accumulation and corrosion within the gaps.
Standard Specifications and Customized Port Floating Bridge Projects
We maintain a stock of standard cross-sections and lengths for floating bridges, yacht marinas, and coastal walkways; we support custom-made extra-long span keels and extra-thick heavy-duty seawater-resistant timber; we can pre-cut to size according to port construction drawings and floating bridge design schemes; for heavily salted nearshore areas, we can upgrade to double-layer reinforced waterproof and anti-corrosion processes; we accept orders of all sizes, including full container loads for export.
Sufficient Stock for Standard Water Projects
We maintain a year-round stock of commonly used specifications for small and medium-sized fishing boat docks and small sightseeing floating bridges; we offer rapid production and delivery for short-term coastal renovation projects.
Customized Thickened and Lengthened Heavy-Duty Versions
For large cruise ship docks, heavy-duty sightseeing floating bridges, and cargo port berths, we customize thickened, widened, and extra-long seawater-resistant timber to improve load-bearing capacity and impact resistance..
Precise Pre-cutting and Processing Based on Engineering Drawings
We uniformly cut finished products according to the floating bridge keel layout drawings, transport them to the port construction site for direct assembly, eliminating secondary cutting at sea and reducing construction difficulty.
We provide bulk supply for coastal cultural tourism and port projects
We undertake large-scale infrastructure projects such as coastal cultural tourism floating bridge clusters and contiguous fishing wharves. The waterproof and salt-resistant properties and dimensions of the same batch are completely uniform, and the overall appearance of the project is neat and orderly.
Our products are low in formaldehyde and non-toxic; the seawater-resistant agents do not leach heavy metals, and immersion in seawater will not pollute the nearshore marine ecosystem. Each batch undergoes seawater immersion expansion testing, salt spray corrosion aging testing, and bending and compressive strength testing. We can provide complete documentation including IPPC fumigation certificates, seawater resistance performance test reports, factory inspection reports, certificates of origin, and marine material environmental certifications, meeting all requirements for import customs clearance and project completion acceptance at overseas coastal ports.
01
Specialized Seawater Immersion and Salt Spray Aging Testing
Our laboratory simulates high-salt-spray and tidal immersion environments in nearshore waters for long-term aging tests, strictly controlling water absorption expansion rates and salt corrosion damage rates to ensure safe use at sea.
02
Marine-Friendly and Environmentally Friendly Formula, Pollution-Free
The waterproof adhesive and sealing agents contain no toxic heavy metals and will not leach harmful substances upon contact with seawater, complying with nearshore ecological protection construction specifications.
03
Multiple Anti-Corrosion and Moisture-Proofing Inspections Before Shipment
All products undergo comprehensive inspection for moisture resistance, mildew resistance, insect resistance, and bending resistance before shipment; products that fail to meet these standards are prohibited from leaving the factory.
04
A complete set of foreign trade documents is provided in one stop
Quarantine, testing, and origin documents are all available, ensuring smooth customs clearance for imported building materials at ports around the world without the risk of quarantine detention.
FAQ
Q. If your company is reliable ?
A: Founded in 2009,company covers an area of 52,000 square meters,more than 300 employees, including nearly 20 scientific researchers.Powerful LVL manufacture in China.
Q.How long is your delivery time?
A: For full container, factory lead time About 20~35 days.
Q: what's your payment terms and trade terms?
A: Accepted Delivery Terms: FOB, CFR, CIF, CIP, FCA, CPT, Express Delivery, DAF.
Q: How can you promise quality
A: It complies with the Australian and New Zealand standards AS/NZS 4357.0. Some products have passed JAS-ANZ certification, and the formaldehyde emission level reaches E0 level certification, FSC certification can also be provided.
Q:How about the shipping fees?
A: For large quantities of products, ocean freight is usually the best option. The price of ocean freight depends on the destination port and the current ocean freight rates. Please contact us and we will provide you with a better quote based on the actual situation.
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