#Japan #Tokyo #Sumitomo Forestry #Big Frame Method #GX Housing

The 20th Anniversary of Big Frame Construction by Sumitomo Forestry

In February 2025, Sumitomo Forestry Co., Ltd. will celebrate the 20th anniversary of its proprietary Big Frame Construction Method (BF Method). This innovative technique has continuously evolved, achieving a balance between seismic resistance and design flexibility. Thus far, approximately 90,000 homes have adopted this method, making it the standard for 'Sumitomo Forestry Homes.' As part of the anniversary celebrations, the company will launch a special edition version, the 20TH ANNIVERSARY BF LIMITED EDITION, starting April 26, 2025.

Special Features of the 20th Anniversary Limited Edition

The anniversary edition is designed to capitalize on the robust structural capabilities and high design flexibility of the BF Method while enhancing comfort, safety, and functionality. Here are some standout features of this limited edition:

1. Exquisite Interior Material: PRIME WOOD

The remarkable interior material, PRIME WOOD, enhances the natural wood appeal of 'Sumitomo Forestry Homes,' turning living spaces into vibrant, inviting environments.

2. Unique Kitchen Design: Germoglio

The exclusive kitchen, Germoglio, complements the PRIME WOOD interiors, fostering a cohesive look in the living-dining-kitchen space. There are numerous colours and materials to choose from, striking a balance between aesthetics and functionality.

3. Aesthetic and Functional Exterior: PRIME SHIELD WALL

The original exterior wall, PRIME SHIELD WALL, features top-tier resistance to weather and fire. With an added stain-resistance coat, it maintains a stunning appearance over time.

4. Exceptional Insulation at Performance Level 6

Utilizing low thermal conductivity wood and employing high-performance insulation materials and windows, this edition achieves a 360° TRIPLE insulation system to keep homes warm in winter and cool in summer. It can be further customized according to regional needs for enhanced insulation.

5. Energy-Efficient Comfort Specifications

The special edition incorporates energy-saving devices that meet the standards for GX-Style Housing, allowing homeowners to select features that align with their environmental and lifestyle preferences.

6. Enhanced Security Features for Peace of Mind

In response to rising concerns about burglary and theft, this edition includes fortified security features such as security glass, cameras, and motion-sensor lighting, ensuring greater safety for families.

For detailed information about the special edition, visit the official site.

About the BF Method

The BF Method was first introduced in January 2005 with the launch of the three-story product, Proudio-BF, and is patented as Japan's first wooden beam “rafter” structure. It was developed to create safe homes that can withstand the frequent disasters in Japan while promoting open living spaces and freedom of lifestyle.

By employing big columns instead of traditional shear walls and using high-precision joints for robust structure, the BF Method ensures strong earthquake resistance. This innovation allows for flexible room layouts without the constraints of traditional column placements, making it easier to design spacious, minimalist spaces.

Sumitomo Forestry's Vision

Sumitomo Forestry Group spans various areas around wood, including forestry management, timber manufacturing and distribution, residential construction, and biomass energy. Committed to a long-term vision by 2030 called Mission TREEING 2030, the group aims to enhance carbon capture through forestry and promote wooden construction to secure carbon in the long term, contributing to overall decarbonization efforts in society. Future initiatives will also include promoting ZEH, ZEB, LCCM homes, and net-zero carbon buildings to accelerate CO2 reduction both during and after construction.

Timeline of BF Method Innovations

• - 2003: Development of the BF Method begins.
• - 2005: Sale of the BF Method Three-story product, Proudio-BF, starts.
• - 2009: Launch of one-story and two-story products, BF-Si.
• - 2011: Adoption of the Double Big Column design.
• - 2015: Four-story fire-resistant house product launched.
• - 2016: Introduction of Pre-stressed Timber construction.
• - 2020: Implementation of 360° TRIPLE insulation for enhanced thermal performance.

This 20th Anniversary Limited Edition symbolizes not just a celebration of achievement but a commitment toward continued innovation, ensuring a safer, more comfortable future for all homeowners.