Large opening technology 'G Frame' that expands scenery and comfort.
With a laminated wood frame, openings of up to 8 meters can be achieved. The new G frame can reach a height of two layers. A magnificent sense of openness!
The "G Frame Construction Method" creates a large opening of approximately 7.3 meters. It allows for various dream living spaces, such as an open living area with one wall entirely made of windows for a semi-outdoor feel, or a wide built-in garage that can accommodate three large vehicles. Furthermore, with the "G Frame Z," it is possible to expand that opening vertically up to approximately 5.4 meters over two floors. This is the "Large Opening Technology" that broadens the view, enhances comfort, and provides a magnificent sense of openness. 【Features】 ■ Full openings of up to approximately 7.3 meters are possible ■ Unique and robust frame structure using heavy timber ■ "G Frame Z" achieves full openings up to the second floor *For more details, please contact us or download the catalog.
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Mitsui Home Co., Ltd. Timber & Building Materials Division is a specialized organization that leverages our track record and expertise as a leading company in 2×4 construction to ensure a stable supply of building components and promote the adoption of non-residential timber construction. ■ Three Key Strengths Supporting Our Timber Architecture Solutions 1. Establishment of a One-Stop Supply System We have fully integrated our operations—from structural design support and high-precision off-site precutting to smooth delivery to the site. This contributes to enhanced construction accuracy and labor savings on-site. 2. Capabilities for Mid- to Large-Scale & Facility Timber Buildings We support column-free large spaces using 2×4 trusses and fire-resistive structures that satisfy strict fire safety standards. We bring timberization to non-residential facilities, including warehouses, retail stores, welfare facilities, and livestock barns. 3. Comprehensive Capabilities & Reliability of the Mitsui Home Group In addition to strengthening our renovation and condominium-related businesses by leveraging synergies within the group, we support our clients' diverse business opportunities through our nationwide network. If you have any inquiries regarding the "timberization of facilities" with a view toward decarbonization and SDGs, or if you face any challenges with structural calculations or material procurement, please feel free to contact us.






















