Living in a Log Cabin in Japan

- Timber Frame Homes -

timber frame home

Timber frames are constructed using heavy timbers and an array of complex, hand-pegged, mortise-and-tenon joints. They feature creative surface textures, including planed smooth with chamfered edges, hand hewn, weather-aged, distressed, or a combination of these. This impressive frame, rooted in centuries-old techniques, is combined with a high-tech, tightly sealed, and energy-efficient layer of structural insulated panels.

The result is a highly customized home offering unmatched beauty, value, energy efficiency, and total design flexibility.

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- Dovetail Log Cabins -

dovetail log cabin

Dovetail log cabins are a type of log construction that uses dovetail joints to connect the logs at the corners. They are interlocking joints shaped like a dove's tail, which securely connect the logs at the corners, providing structural stability and resistance to shifting or settling over time.

The precision and craftsmanship required in dovetailed logs gives the cabin a traditional, handcrafted and rustic look. With Weather-Aged finish of specialized sandblasting can makes the cabin look hundreds of years old.

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Who we are ?

hearthstone craftman

Hearthstone is a company unlike any other. We are dedicated to, and never cease to be amazed by the timber wright. Somewhere between ironworker and cabinet maker, the fruits of his labor still grace the land and sea — with life spans measured in centuries: bridges, churches, barns, log homes, Timber Frame Homes, taverns, courthouses, inns, hotels, sailing vessels, and — with good fortune and hard work — your legacy to your family for generations to come.

The creation of an extraordinary custom home is a way of life with us. If you have a vision of an extraordinary home of uncommon character, substance, and value that will define your family for a century or more, then Hearthstone is the partner you need.

We are blessed with an unmatched ability to create any imaginable style of custom, luxury, handcrafted log or heavy timber home or commercial structure. Nobody in the world has the reputation, capacity, and experience — in one company — to deliver and guarantee the diversity, creativity, and quality that we can.

Since its launch in 1992, "Hearthstone Japan (Yamaichi Architecture, Ltd)" has constructed numerous log homes across the country.

Following a revision of the Building Standards Codes in 2024, we are now the sole company in Japan authorized to legally construct dovetail log cabins.

We are excited to share that we have established the following architectural associations.

JP Dovetail Association

JP Timber Frame Association

JP Hand Hewn Association

Why Choose Hearthstone Japan ?

Hearthstone Japan is a long-established log home manufacturer with the highest number of domestic construction achievements for "Timber Frame Homes" and "Dovetail Log Cabins" built using traditional construction methods.

伝統構法のログハウス

Traditional Construction

The genuine brilliance and pride granted only to log houses built using traditional construction methods.

耐久性200年のログ住宅

200-year of Durability

Proven by history, it offers high durability and a valuable asset that lasts beyond one generation.

安心住宅保障50年

30-year Inspection Warranty

Protect your log cabin with our reliable 30-year warranty system.

施工可能地域

Nationwide Construction

We provide construction services anywhere in the country. On-site construction by specialized craftsmen is also available.

- Dovetail Log Cabin -

Y Home in Ukiha, Fukuoka.

- Dovetail Log Cabin -

M Home in Tokorozawa, Saitama.

- Timber Frame Home -

Nomura Inc. in Asahikawa, Hokkaido.

- Timber Frame Home -

H Home in Takasu, Hokkaido.

- Dovetail Log Cabin -

Animal Hospital in Takasu, Hokkaido.

What is Timber Frame Home ?

A timber frame home is a type of house constructed using a framework of heavy timber beams and posts. This traditional building method, often featuring exposed wooden beams, relies on precise joinery techniques, such as mortise and tenon joints, to create a sturdy structure without the need for metal fasteners. The spaces between the timber framework can be filled with various materials, such as brick, plaster, or insulated panels, allowing for flexible design options. Timber frame homes are known for their aesthetic appeal, durability, and energy efficiency.

  1. Aesthetic Appeal: Timber frame homes feature exposed wooden beams and intricate joinery, creating a warm and inviting atmosphere with a distinctive architectural charm.
  2. Durability: The use of large, heavy timbers provides a strong and long-lasting structure that can withstand various weather conditions and natural elements.
  3. Design Flexibility: The open floor plans and wide spans allowed by timber framing offer greater flexibility in interior design and room layouts, enabling more creative and customized home designs.
  4. Energy Efficiency: Timber frame homes can be highly energy-efficient. The spaces between the timbers can be filled with modern insulation materials, providing excellent thermal performance and reducing heating and cooling costs.
  5. Sustainability: Timber is a renewable resource, and many timber frame builders use sustainably sourced wood. Additionally, timber frame construction often requires fewer materials than traditional building methods, reducing overall environmental impact.
  6. Longevity: Timber frame homes have a long lifespan and can be passed down through generations, making them a good investment for the future.
  7. Comfort: The natural insulating properties of wood and the ability to incorporate modern insulation techniques ensure that timber frame homes maintain a comfortable indoor climate throughout the year.

Timber Frame Home Build in Japan

What is Dovetail Log cabin ?

A dovetail log cabin is a log home that employs dovetail joints to connect logs at the corners. These interlocking joints, resembling a dove's tail, ensure a tight and secure fit, enhancing the cabin's stability and resistance to weather. Despite being an ancient technique, the dovetail joint remains popular in North America for building beautiful, long-lasting homes. The logs are precisely cut and notched to interlock at right angles, forming a solid and durable structure. This method, celebrated for its precision and craftsmanship, creates a sturdy and visually appealing cabin with rustic charm.

  1. Strength and Stability: Dovetail joints provide a tight, interlocking fit, ensuring a strong and stable structure that can withstand various weather conditions and natural forces.
  2. Durability: The precise craftsmanship involved in creating dovetail joints results in a durable construction that can last for generations.
  3. Weather Resistance: The secure fit of dovetail joints enhances the cabin's resistance to wind, rain, and other environmental elements, keeping the interior dry and comfortable.
  4. Aesthetic Appeal: Dovetail log cabins have a distinctive and attractive appearance, with the intricate joinery adding to the rustic charm and visual appeal of the home.
  5. Historical Significance: Dovetail joinery is a traditional building technique with a rich history, adding a sense of heritage and authenticity to the cabin.
  6. Energy Efficiency: The tight joints help in maintaining a well-insulated structure, reducing energy costs for heating and cooling by minimizing drafts and air leaks.
  7. Craftsmanship: Building a dovetail log cabin involves a high level of skill and precision, ensuring a high-quality, well-constructed home.
  8. Value: The combination of durability, aesthetic appeal, and energy efficiency can enhance the overall value of the property, making it a worthwhile investment.

Dovetail Log Cabin Build in Japan