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.

Wooden Structure Building

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 / Industrial CLT Panels / Douglas Fir Industrial CLT Panels
  • Douglas Fir Industrial CLT Panels
  • Douglas Fir Industrial CLT Panels
  • Douglas Fir Industrial CLT Panels
  • Douglas Fir Industrial CLT Panels

Douglas Fir Industrial CLT Panels

Product Description

Douglas Fir Industrial CLT (Cross-Laminated Timber) panels are high-performance structural building elements made by layering Douglas Fir boards at perpendicular angles and bonding them with durable adhesives. Known for its exceptional strength, dimensional stability, and warm reddish tones, Douglas Fir is a premium choice for mass timber construction in industrial, commercial, and multi-story projects.

Key Characteristics

Key Characteristics
•Species: Douglas Fir
•Panel Composition: 3, 5, or 7 layers of kiln-dried pine lamellas
•Grain Orientation: Alternating layers for balanced strength and stiffness

Common Applications

Performance Benefits
•High Load Capacity: Excellent in compression, tension, and shear
•Fire Safety: Predictable charring behavior allows safe fire-rated design
•Thermal Efficiency: Low thermal conductivity aids energy-efficient construction
•Speed of Construction: Prefabricated panels reduce build time and labor costs
•Sustainability:Renewable resource with potential for carbon-negative construction

Additional Instruction

Douglas Fir CLT panels are ideal for projects that demand long spans, structural integrity, and natural beauty—from warehouses and schools to mid-rise buildings and modular systems. Their strength and aesthetic appeal make them a standout choice in the evolving world of mass timber.

Product Parameters
Surfaces Sanded
Dimensions •Widths:up to 1220mm
•Heights: up to 240 mm
•Lengths: 2440mm/2980mm
Bonding Adhesive based on  polyurethane(PU), approved for bonding loadbearing and non-loadbearing timber
components, both indoors and outdoors
Moisture content 12%±2.5%
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About Us
Nantong Wellhouse Architectural Technology Co., Ltd.

Nantong Wellhouse Architectural Technology Co., Ltd. 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.

Certificate Of Honor
  • Quality Management System Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
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