Products Description
PRODUCT DETAILS：
|
Product Name |
Straight LVL keel |
|
Material |
New Zealand radiata pine, Russian larch, etc. |
|
Length |
Up to 8.5 meters long Customized |
|
Width |
90mm to 400mm Customized |
|
Thickness |
35mm to 75mm Customized |
|
Surface treatment |
Double-sided polishing / Anti-slip treatment, Customized Support |
|
Certification Standards |
Complies with Australian and New Zealand Standards AS/NZS 4357.0. |
|
Formaldehyde Emission |
Poplar products use E0 glue, while the rest use phenolic resin glue. |
|
Design Style |
Modern |
|
Feature |
water resistant, Anti-Corrosion, Eco-Friendly |
Application Scenarios of Light Steel Ceiling with Matching Wooden Keel
Light steel ceiling systems with matching secondary and reinforcing keels
Working together with the main light steel keel, they form the overall ceiling framework, bearing the overall load of gypsum board, insulation layer, and finishing materials. This ensures the overall flatness of the ceiling and reduces common decoration problems such as undulations, surface cracks, and gypsum board joint cracks in large-area ceilings.
Ceiling Edge Finishing, Wall Edge Finishing, Light Trough, and Curtain Box Internal Lining Keel
Ceiling edge finishing keels, light trough lining, and curtain box internal lining keels ensure straight and neat ceiling edges, reducing cracks at wall-ceiling joints and sealant cracking, improving the overall aesthetics and finishing quality.
Tiered Ceiling Reinforced Keel
Internal reinforcement base material for tiered ceilings and curved ceilings in villas and shopping malls enhances the overall rigidity of the ceiling, preventing settlement, deformation, and surface cracking, ensuring long-term stability of the irregular ceiling design.
Gypsum board base layer joists
The base layer joists for large-area gypsum board ceilings improve the overall uniformity of gypsum board support, enhance the holding power of self-tapping screws, and prevent gypsum board sagging, cracking, and abnormal noises when walking on the ceiling.
Bulk ceiling matching main materials for high-end residential buildings
Standardized flatness, moisture content, and batch specifications ensure compatibility with standardized construction of bulk ceilings in high-end residential buildings and long-term bulk procurement for decoration companies' commercial projects, reducing the after-sales repair rate of ceilings.
Core Performance Advantages
Selected high-quality, knot-free hardwood veneers with a straight grain, balanced lamination, and long-term stress-curing treatment, making it suitable for year-round indoor temperature and humidity changes and alternating dry and humid environments with air conditioning. Key advantages include:
Extra-high overall straightness
Through straight-grain assembly, precise drying, and long-term stress-releasing curing processes, the straightness of the keel is strictly controlled, resulting in minimal overall bending deviation. This eliminates unevenness caused by the ceiling frame itself bending, ensuring a smooth and straight ceiling over large areas.
Extremely Low Internal Stress Structure
Fully releases residual internal pressure stress in the veneer and precisely controls the balanced moisture content, significantly reducing shrinkage and expansion rates. This makes it suitable for dry air-conditioned rooms and humid conditions during the rainy season, reducing the shrinkage and deformation of the keel that pulls on the plasterboard and wall putty, and lowering the rate of ceiling cracking and repairs.
Uniform and dense substrate
The material has a uniform density, free from localized soft layers and large knots. Self-tapping screws and nails used for close-range fixing are less prone to splitting and chipping. The overall nail-holding power is stable and uniform, ensuring a firm and durable fixation of the gypsum board and reducing future loosening and noise.
Lightweight and high-strength
Balancing overall bending strength with a reasonable weight, compared to solid wood framing, it has a more uniform weight and is easier to transport, making it suitable for high-altitude ceiling installation work. This improves the efficiency of large-area ceiling construction and reduces safety hazards associated with high-altitude work.
Production Process and Specialized Craftsmanship: The entire process focuses on ensuring straightness, dimensional stability, and overall nail-holding power. Details are as follows:
**Strict Selection of Straight-Grained, Few-Knot Veneers:** We select veneers with straight, uniform grain, few knots, and no large knots/voids/diagonal grain defects. Bent substrate veneers are discarded, ensuring a straight base material from the source and eliminating the risk of localized stress concentration.
**Gradient-Equalized Constant-Temperature Drying Process:** Multi-stage, slow, constant-temperature drying precisely unifies the moisture content of the entire batch of veneers to the suitable range for indoor ceiling installations. This minimizes batch-to-batch moisture content differences, reduces subsequent shrinkage and deformation, and ensures overall dimensional consistency.
**Uniform CNC Coating of Architectural-Grade Weather-Resistant Structural Adhesive:** Fully automated CNC equipment uniformly applies specialized architectural structural adhesive, ensuring a uniform and complete adhesive layer on each veneer layer. This improves interlayer bonding strength and overall integrity, preventing later interlayer cracking and delamination.
Balanced Assembly and Constant Temperature High-Pressure Lamination: Utilizing a textured, balanced assembly process to offset unidirectional shrinkage stress, the constant temperature and high-pressure integral molding enhances overall bending strength and surface straightness, ensuring uniform stress distribution throughout the entire keel structure.
Multi-Stage Constant Temperature Long-Term Stress Curing and Shaping: Finished products undergo prolonged static curing in a constant temperature workshop, gradually releasing all residual internal stress from hot pressing, completing dimensional shaping, ensuring no slow deformation after leaving the factory, and guaranteeing long-term straightness and stability.
Four-Sided Precision CNC Sanding + Length Cutting: Four-sided fine sanding and leveling further improves the straightness and surface flatness of the keel; CNC precision cutting ensures minimal length tolerance, adapting to standardized ceiling assembly construction.
Environmental Standards and Export Testing Qualifications
Complies with indoor building ceiling material specifications and interior decoration acceptance standards, with accompanying test reports and qualification documents:
* **Low Formaldehyde Environmental Compliance Testing:** Formaldehyde emission meets the environmental standards for civil building interior decoration materials, suitable for use in enclosed ceiling cavities and bedroom ceilings, with no harmful volatilization or odor pollution of the indoor living environment.
* **Straightness, Moisture Content, and Bending Strength Inspection Passed:** Batch-by-batch random inspections of the keel's straightness, moisture content, bending strength, and nail-holding performance ensure the overall structural safety and flatness of the ceiling frame meet standards.
* **Wet and Dry Cyclic Deformation Stability Test:** Aging tests simulate annual indoor wet and dry temperature and humidity changes to verify overall deformation resistance, reduce ceiling cracking and repair rates, and meet interior decoration project acceptance standards.
* **Supporting Quality Inspection and Foreign Trade Documents:** Product quality inspection reports, environmental testing reports, factory certificates, IPPC fumigation certificates, and certificates of origin are available, suitable for export of prefabricated house ceilings.
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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