About JIAZHU

Jiazhu Construction - has been deeply engaged in the production of glued laminated timber since 2011, relocated from Shanghai to Rugao Port in 2018, and now has established two major production bases in Wuhan and Nantong.

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We provide one-stop delivery of construction materials, as well as integrated design-production-construction services for long-span straight and curved glued laminated timber (glulam). We specialize in projects such as large-scale beam-and-column venues, villas, and wooden bridges.

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Home / Products / Cross laminated Timber / Custom CLT Components

Custom CLT refers to cross-laminated timber panels that are specifically designed and manufactured to meet unique architectural, structural, or aesthetic requirements. Unlike standard CLT products, custom CLT allows for flexible sizing, layer configurations, wood species selection, and precision detailing, making it ideal for projects that demand both performance and personalization.

Key Features
Tailored Dimensions – Custom thicknesses, lengths, and widths to suit specific spans and loads
Layer Configuration – 3-ply to 9-ply layups with variable grain orientation for strength and stability
Wood Species – Options include spruce, pine, fir, larch, and even hardwoods like ash or oak
Openings & Cutouts – CNC-machined for doors, windows, HVAC, and electrical systems
Surface Grades – Industrial, non-visual, or architectural-grade finishes for exposed applications

Benefits
Design Freedom – Enables complex geometries, large openings, and integrated systems
Structural Efficiency – Optimized panel performance for floors, walls, roofs, and cores
Speed & Precision – Prefabricated to exact specs for fast, clean installation
Sustainability – Made from renewable wood with low embodied carbon
Aesthetic Versatility – Can be left exposed for natural warmth or finished to match any style

Custom CLT is redefining mass timber construction by offering flexibility without compromise. Whether you're building a multi-story residential complex, a cultural pavilion, or a sculptural interior, custom CLT delivers the strength of engineered wood with the soul of bespoke craftsmanship.

About Us
Nantong Wellhouse Architectural Technology Co., Ltd.

Nantong Wellhouse Architectural Technology Co., Ltd. is China Custom CLT Components Suppliers and Custom CLT Components Manufacturers.It was established under the guidance of green building and sustainable development concepts, specializing in the research, development, and production of glued laminated timber (glulam) and timber structure products. The factory is characterized by a high degree of mechanization and standardization, creating an efficient and intelligent production environment. 

Relying on a mature production system and professional team, the company boasts a monthly production capacity of up to 2,000 cubic meters. Its core products include glued laminated timber (glulam), solid wood wall panels, and Cross-Laminated Timber (CLT), which are widely used in the field of timber structure construction.

The company provides full-cycle, integrated services encompassing architectural design, budget estimation, production, manufacturing, and construction installation. It covers diverse project types such as large-scale venues, villas, and timber bridges, ensuring efficient project progression through professional technical coordination and full-course construction support.

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Custom CLT Components Industry knowledge

Defining Custom CLT Components: A Prefabrication Revolution in Modern Construction

Custom CLT Components (Customized Cross-Laminated Timber Components) represent the pinnacle of timber engineering. Rather than being mere building materials, they are engineered structural solutions pre-designed for specific architectural requirements. Nantong Wellhouse Architectural Technology Co., Ltd. operates under the guiding principles of green building and sustainable development, specializing in transforming raw timber into these high-performance components.

In traditional construction, timber panels often require extensive on-site modification. In contrast, Custom CLT Components are fabricated in a controlled factory environment through an orthogonal layering process—where each layer of wood fiber is glued at a 90-degree angle to the next. This unique structure provides the components with exceptional bi-directional load-bearing capacity and superior dimensional stability, making them the premier alternative to traditional concrete and steel.

As a leader in the field, Nantong Wellhouse Architectural Technology Co., Ltd. focuses on the R&D and production of structural timber products. By converting standard CLT raw materials into Custom CLT Components featuring complex geometries, pre-cut utility openings, and precision connection slots, the company bridges the gap between general materials and precision structural elements, providing a robust backbone for global sustainable building projects.

Nantong Wellhouse Architectural Technology Co., Ltd. ensures that every piece of Custom CLT Components maintains its mechanical integrity under rigorous conditions. Our customization service extends into the early stages of architectural design, helping designers optimize structural layouts and reduce material waste while enhancing overall energy efficiency.

Custom CLT Components Core Parameter Comparison

Parameter Standard CLT Panels Custom CLT Components (Wellhouse) Notes
Machining Precision ±2.0mm - 5.0mm ±0.5mm - 1.0mm Ensured by German K2i & KUKA Robotics
Design Flexibility Rectangular / Standard Complex shapes, curves, multi-axis openings Meets advanced architectural aesthetics
Pre-integration Low (Requires site work) High (Pre-installed connectors, conduits) Significantly boosts installation speed
Structural Performance Uniform symmetry Customized layers/thickness per load Optimizes material usage and weight
Monthly Capacity Varies by facility Approx. 2,000 cubic meters Reliable supply from Nantong Wellhouse

The Customization Process: From Digital Design to Factory Manufacturing

The superior performance of Custom CLT Components stems from a rigorous digital manufacturing workflow. At Nantong Wellhouse Architectural Technology Co., Ltd., advanced Building Information Modeling (BIM) is integrated with automated production lines, ensuring every Custom CLT Components perfectly realizes the architect's vision.

The process begins with high-precision digital modeling. Using CAD/CAM software, structural stress analysis is combined with geometric design to define every detail of the Custom CLT Components. These digital instructions directly drive the high-end equipment at the factory. Nantong Wellhouse Architectural Technology Co., Ltd. operates a Bohai integrated finger-jointing line with a monthly capacity of 2,000 cubic meters, providing a strong foundation for high-strength processing.

During the forming phase, 9 glulam presses and 2 curved presses are utilized to customize the thickness and curvature of the Custom CLT Components. Subsequently, a German K2i machining center and KUKA robotic arms perform three-dimensional cutting and carving. Whether it is a complex utility channel or a precision connection notch, errors are kept within a millimeter range. This deep level of customization ensures that when the Custom CLT Components arrive at the site, they are ready for immediate lifting and assembly.

The technical team at Nantong Wellhouse Architectural Technology Co., Ltd. monitors temperature and humidity in real-time during production to ensure optimal adhesive curing, guaranteeing the long-term durability and delamination resistance of each Custom CLT Components.

Production Process Parameters for Custom CLT Components

Process Stage Key Equipment/Technology Technical Parameter Optimization Result
Finger-Jointing Bohai Integrated Line 2,000 m³ monthly capacity Ensures fiber continuity and strength
Press Forming 9 Flat / 2 Curved Presses Supports large-scale & curved custom shapes Enables diverse architectural geometry
Surface Finishing Four-sided Planer Surface flatness: ≤0.2mm Provides decorative-grade visual quality
Precision Machining German K2i Center 6-axis linkage, ±0.5mm precision Guarantees Zero-Error site assembly
Complex Geometry KUKA Robotic Arms Multi-dimensional flexible machining Accurate milling of intricate slots/holes

Core Structural Types of Custom CLT Components

To meet the diverse demands for spatial span and load-bearing capacity, Nantong Wellhouse Architectural Technology Co., Ltd. has developed various types of Custom CLT Components. These are engineered modules ready for immediate application in critical building sections.

Irregular Wall Components: Designed for non-linear architectural styles, these Custom CLT Components feature pre-fabricated window and door openings and curved designs, balancing structural support with spatial beauty.

Long-Span Floor Components: By optimizing the thickness ratio of the orthogonal layers, the flexural stiffness of these Custom CLT Components is enhanced, making them ideal for large office spaces or public venues.

Pre-integrated Roof Systems: These Custom CLT Components are machined with drainage slopes and pre-cut skylight interfaces at the factory, drastically reducing high-altitude work time and risks.

High-Precision Connection Nodes: Using KUKA robotic arms, complex connection slots are pre-milled inside the Custom CLT Components to embed concealed steel connectors, enhancing the overall stability and seismic safety of the building.

Performance Comparison by Component Type

Component Type Max Custom Span/Height Typical Thickness Processing Features Structural Advantage
Custom Wall Panels Up to 12m+ Height 80mm - 240mm Pre-cut conduits & openings High shear wall lateral resistance
Custom Floor Slabs 8m - 12m Span 120mm - 320mm Decorative-grade bottom planing Superior acoustic & fire ratings
Curved Components Custom curvature 60mm - 200mm Specialized cold-press forming Breaks linear timber constraints
Heavy-Duty Column Up to 16m Length Custom large section Multi-face robotic machining Supports high-rise timber loads

Key Advantages of Choosing Custom CLT Components

In the context of modern sustainable architecture, Custom CLT Components represent a total evolution in construction efficiency. Products from Nantong Wellhouse Architectural Technology Co., Ltd. provide significant value through precision prefabrication and superior physical properties.

By utilizing the K2i machining center and KUKA robotics, Custom CLT Components can reduce on-site installation time by 25% to 30%. This Factory-Made, Site-Assembled model minimizes wet work, dust, and noise at the construction site, making the building process greener and more controlled.

Superior Strength-to-Weight Ratio: While the weight of Custom CLT Components is only one-fifth that of concrete, their structure provides comparable strength, significantly reducing foundation costs.

Excellent Fire Resistance: In a fire, the surface of the Custom CLT Components forms a char layer. This layer acts as an insulator, protecting the structural core and delaying collapse. Fire ratings typically exceed 90-120 minutes.

Thermal & Environmental Performance: As natural carbon sinks, Custom CLT Components offer excellent thermal insulation, reducing operational energy consumption and helping projects reach net-zero goals.

Comparative Performance: Custom CLT vs. Traditional Materials

Performance Metric Custom CLT Components Reinforced Concrete (RC) Steel Structure
Density/Weight ~500 kg/m³ ~2500 kg/m³ ~7850 kg/m³
Construction period Reduced by 30%+ Slow (Curing required) Fast (High site welding)
Carbon Footprint Carbon Negative High Emissions Very High Emissions
Fire Mechanism Charring Protection Strength drops rapidly Softens/buckles at 500°C
Thermal Conductivity ~0.13 W/(m·K) ~1.74 W/(m·K) ~50 W/(m·K)

Common Application Scenarios

The versatility of Custom CLT Components allows them to adapt to everything from high-rise residential buildings to complex public spaces. With a stable monthly capacity, Nantong Wellhouse Architectural Technology Co., Ltd. provides tailored solutions for various project scales.

Mid-to-High-Rise Timber Apartments: Custom CLT Components replace traditional concrete shear walls, providing high structural strength and can support structures up to 18 stories or more.

Public Buildings & Cultural Centers: For museums or gyms requiring large spans, Custom CLT Components provide spans exceeding 12 meters without columns, showcasing the natural beauty of wood.

Modular & Prefabricated Housing: These Custom CLT Components serve as the ideal skeleton for modular units. Completing assembly in the factory ensures rapid project delivery for hotels and student housing.

Building Extensions: Due to their light weight, Custom CLT Components are the preferred choice for adding floors to existing buildings without requiring expensive foundation reinforcement.

Application-Specific Performance Parameters

Application Core Requirement Typical Span/Height Efficiency Increase
High-Rise Apt Load-bearing/Acoustics Up to 50m+ Height 30% faster installation
Public Spaces Large Span/Aesthetics 12m - 16m Span 40% fewer support pieces
Modular Units High Integration 6m - 12m Length 50% shorter total cycle
Extensions Lightweight Custom per base Lower foundation costs

FAQ

Q: What is the maximum size for Custom CLT Components?

A: Physical sizes are primarily limited by factory press dimensions and logistics. Nantong Wellhouse Architectural Technology Co., Ltd. operates large-scale press systems capable of producing Custom CLT Components up to 12-16 meters in length. For optimal site assembly, we recommend modular designs based on standard transport truck capacities.

Q: How do these components ensure fire safety?

A: Custom CLT Components utilize the charring effect. During a fire, the outer layer chars at a predictable rate, protecting the inner core. By adjusting the number of layers and total thickness, we provide solutions for 1-hour, 1.5-hour, or longer fire ratings. Every Custom CLT Components from Nantong Wellhouse is verified through structural fire simulation.

Q: Why is choosing Custom CLT Components more economical than standard panels?

A: While the individual component cost may be higher, the high-precision pre-integration by Nantong Wellhouse Architectural Technology Co., Ltd. reduces site labor costs by approximately 50%. The overall project benefits from shorter construction timelines and reduced foundation requirements.

Economic Comparison Site-cut Method Custom CLT Components Benefit
Installation Cycle 100% Base Time ~70% Base Time 30% Time Saving
Material Waste 5% - 10% < 1% Minimal waste
Site Labor Need High (Skill-heavy) Very Low Lower labor cost
Foundation Cost Base Design Reduced by ~20% Lower excavation cost

Q: How does Nantong Wellhouse handle the precision of irregular shapes?

A: We employ a German K2i machining center and KUKA robotic arms for 6-axis linkage processing. This ensures that even for the most complex curves or minute connector slots, the error for Custom CLT Components is controlled within ±0.5mm, allowing for a seamless puzzle-like fit on-site.

Q: How are the components protected from moisture during transport?

A: Nantong Wellhouse Architectural Technology Co., Ltd. provides professional packaging based on project needs. We recommend rapid roof sealing upon installation or the application of factory-applied temporary water-repellent coatings to ensure the moisture content of the Custom CLT Components remains stable during the assembly phase.