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 / Glue Laminated Timber / Round Glulam Column / Douglas Fir Round Glulam Column
  • Douglas Fir  Round Glulam Column
  • Douglas Fir  Round Glulam Column
  • Douglas Fir  Round Glulam Column
  • Douglas Fir  Round Glulam Column
  • Douglas Fir  Round Glulam Column
  • Douglas Fir  Round Glulam Column
  • Douglas Fir  Round Glulam Column
  • Douglas Fir  Round Glulam Column
  • Douglas Fir  Round Glulam Column
  • Douglas Fir  Round Glulam Column

Douglas Fir Round Glulam Column

Product Description

Douglas Fir round glulam columns are precision-engineered structural elements crafted by laminating multiple layers of Pseudotsuga menziesii—a species known for its exceptional strength, tight grain, and warm reddish hue. These columns combine the natural beauty of Douglas Fir with the dimensional stability and load-bearing capacity of glulam technology, making them ideal for both exposed architectural features and heavy-duty structural applications.

Key Characteristics

Key Features
•Material: Kiln-dried Douglas Fir, strength-graded and laminated
•Shape: Cylindrical (rotationally symmetrical), available in custom diameters
•Surface Grades: Visual-grade for exposed use or industrial-grade for concealed structural roles
•Finish Options: Sanded, stained, sealed, or fire-rated coatings available

Common Applications

Benefits
•High Structural Strength – Douglas Fir offers excellent compression and bending resistance
•Dimensional Stability – Glulam construction minimizes warping and shrinkage
•Aesthetic Appeal – Rich color and fine grain enhance modern and rustic designs
•Versatile Use – Ideal for residential, commercial, and public buildings, including atriums, pavilions, and sports halls
•Sustainable – Sourced from renewable forests and manufactured with low environmental impact

Additional Instruction

Douglas Fir round glulam columns are a top-tier choice for architects and builders seeking performance, beauty, and longevity. Whether you're designing a timber-framed home, a civic space, or a dramatic open structure, these columns deliver strength with style.

Product Parameters
Surfaces S4S
Dimensions •Diameters: up to 800mm
•Lengths:up to 12m
Bonding Adhesive based on  polyurethane(PU), approved for bonding loadbearing and non-loadbearing timber components, both indoors and outdoors
Moisture content 12%±2.5%
Strength classes • GL24c
• GL24h
• GL28c
• GL28h
• GL30c
• GL30h
• GL32 (on request)
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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