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House with a Doma|Stylish Living-Dining-Kitchen Space|How To
An Ambiguous Zone Connecting Interior and Exterior.
The doma is a rich, ambiguous space that is neither fully exterior nor interior. It allows for activities without removing shoes, making it versatile for tasks such as gardening, bicycle maintenance, and DIY projects. By incorporating the traditional Japanese doma concept into modern residences, the scope of daily living is expanded.
Spacious Earthen Floor Area Extending from the Entrance.
By extending the earthen floor beyond the entrance to the living room and kitchen, a dynamic spatial experience is created. This design enhances practicality by allowing bicycles and strollers to be pushed directly inside and providing a temporary storage area for shopping bags. The earthen floor becomes an integral part of the daily circulation, resulting in a flexible and functional living environment.
Flooring Materials: Mortar and Tiles.
For earthen floors, hard and durable materials such as mortar finishes, tile installations, or exposed aggregate surfaces are suitable. The atmosphere can vary significantly depending on the color and texture, so select materials that harmonize with the overall design of the residence. The choice of material ultimately defines the character of the earthen floor.
Seating Area Utilizing Level Differences.
By incorporating a level difference between the earthen floor and the interior floor, the stepped section serves as a seating area. Occupants can sit on the interior side to put on shoes or sit on the earthen floor side to enjoy views of the garden, enabling versatile usage. The level difference creates a distinct place within the space.
Compatibility with Wood-Burning Stoves.
Installing a wood-burning stove on an earthen floor allows you to leverage the floor's fire-resistant properties. Tasks such as carrying in firewood and cleaning out ashes can be performed on the earthen floor without concern for dirt or damage. The lifestyle centered around the warmth of the fire harmonizes exceptionally well with the earthen floor.
Storage for Bicycles and Motorcycles.
With a dirt floor area, bicycles and motorcycles can be stored indoors. This eliminates concerns about theft and provides protection from rain and wind. Maintenance work can also be performed on the dirt floor, allowing the space to function as an area to enjoy your hobby. The dirt floor thus serves as a garage for your prized vehicles.
Earthen Floor as a Workspace.
For activities that involve dirt and mess, such as DIY projects, pottery, and gardening, an earthen floor provides an ideal workspace. It allows for the use of water and tolerates floor soiling without concern, enabling full concentration on the task at hand. By installing workbenches and shelving, the space can also function effectively as a professional-grade atelier.
Ideal for Living with Pets.
For households with dogs, the earthen floor area allows for wiping paws after walks and storing pet supplies. This space provides a comfortable environment for pets, functioning as an intermediate zone between the interior and exterior. The earthen floor plays a significant role in harmonious living with pets.
Thermal Insulation, Airtightness, and Thermal Environment.
Since the earthen floor tends to become cold during winter, enhancing thermal insulation and airtightness improves comfort. Conversely, it also offers the benefit of feeling cooler in summer. Adjusting the thermal environment according to the seasons is key to ensuring year-round comfort.
Multipurpose functionality enabled by storage shelving.
By installing storage shelves on the walls of the earthen floor area, a variety of items such as shoes, outdoor equipment, tools, and gardening supplies can be organized efficiently. Both open shelves and those with doors can be selected according to the intended use. Enhanced storage capacity improves the functionality of the earthen floor space.
A Place for Family Gatherings.
By integrating the earthen floor area with the dining and living spaces, it becomes a lively place where the family gathers. Placing tables and chairs on the earthen floor allows for dining, children’s play, and other flexible uses. The earthen floor becomes the focal point of daily life.
Fusion of Tradition and Modernity.
The doma is a traditional Japanese space, but by integrating it with contemporary design, a new appeal emerges. Combining modern furniture and lighting creates a unique blend of Japanese and Western aesthetics. While inheriting tradition, create a doma that suits modern living.
Clarify the Spatial Zoning.
By gently separating the living, dining, and kitchen areas, each function is enhanced to create a user-friendly space. Visual distinctions through changes in flooring materials, ceiling heights, and furniture arrangement achieve a well-defined LDK (living-dining-kitchen) area while maintaining a sense of spaciousness. The key is to softly divide the zones without completely partitioning them, preserving a sense of unity.
Pursuing Efficiency in Circulation Paths.
It is essential to plan layouts that consider daily movements, such as the serving route from the kitchen to the dining area and the circulation path to the living room. Particularly, streamlining the circulation centered around the kitchen significantly enhances household task efficiency. It is advisable to design the floor plan while concretely envisioning the family's lifestyle patterns.
Creating Spatial Variation Through Ceiling Height.
Instead of maintaining a uniform ceiling height throughout the entire living, dining, and kitchen area, varying the height in specific sections introduces character to the space. Raising the ceiling in the living room enhances a sense of openness, while lowering the ceiling in the dining area fosters a more intimate atmosphere. Tailoring ceiling design according to function elevates the overall quality of the space.
Innovative Approaches to Incorporating Natural Light
While the fundamental strategy involves capturing light through large windows, combining them with clerestory windows and skylights can create a more abundant and dynamic lighting environment. Considering the variations in light throughout different times of the day results in a comfortable living, dining, and kitchen area (LDK) all day long. However, it is essential to also plan for solar shading measures during the summer to prevent overheating.
Selection and Differentiation of Flooring Materials.
The texture of flooring materials such as solid wood flooring, tiles, and stone significantly influences the overall impression of a space. Using a uniform material throughout the entire living, dining, and kitchen (LDK) area creates a cohesive look; however, selectively changing materials—such as installing tiles only in the kitchen area—can balance functionality and aesthetic appeal. It is also important to consider maintenance requirements when making your selection.
Enhancing Storage Planning.
In the living room, having storage suitable for daily necessities and remote controls, and in the dining area, storage for tableware and serving utensils, helps maintain a clean and organized space. By designing custom-built furniture from the planning stage, it is possible to achieve beautiful storage solutions that fit perfectly within the space. Balancing between display storage and concealed storage is also essential.
Creating Atmosphere Through Lighting Design.
By combining downlights, pendant lights, and indirect lighting, it is possible to create a lighting environment tailored to different scenes. Pendant lights above the dining table also serve as spatial accents. Having dimming and color temperature adjustment functions is convenient, allowing for versatile use according to time of day and purpose.
Design Based on Furniture Layout.
It is essential to plan the locations of electrical outlets, switches, and windows with consideration for the placement of sofas and dining tables. When the furniture is predetermined, spatial design can be tailored to their dimensions. Additionally, anticipating future furniture replacements and ensuring a flexible layout provides reassurance and adaptability.
Be Mindful of Sightlines.
Arranging the layout so that sightlines extend to the far end of the living, dining, and kitchen (LDK) area creates a sense of spaciousness beyond the actual floor area. Designing the kitchen with clear views into the living room and ensuring that exterior views through windows can be enjoyed from multiple vantage points fosters an open and airy atmosphere. However, it is also essential to balance this openness with considerations for privacy.
Creating a Cohesive Finish Material Palette.
By harmonizing the color tones and textures of the walls, ceiling, and floor, the living, dining, and kitchen area (LDK) achieves a refined and sophisticated atmosphere. One approach is to unify all surfaces in white for a minimalist aesthetic, while another appealing option is to emphasize the warmth of wood as the primary material. Alternatively, incorporating accent colors or textures in select areas can effectively express individuality.
Establishing the Relationship with the Kitchen.
The overall atmosphere of the living, dining, and kitchen (LDK) area varies depending on the kitchen style, such as open-plan kitchens, enclosed kitchens, or island kitchens. If prioritizing communication with family, open-plan or island kitchens are suitable, whereas enclosed kitchens are an option for those who prefer to focus on cooking. Choose a layout that aligns with your lifestyle.
Connection with External Spaces.
By creating continuity between terraces, decks, gardens, and the living-dining-kitchen (LDK) area, a more expansive spatial experience is achieved. Incorporating large openings to foster a sense of integration between interior and exterior, or arranging spaces to face a courtyard, enables a residence that intimately connects with nature. It is also essential to ensure the thermal insulation performance of these openings.
Q&A
House with a Doma|Stylish Living-Dining-Kitchen Space|Q&A
What is the practical size to allocate for a doma (earthen floor space)?
The appropriate size varies depending on its intended use, but an area of approximately 4 to 6 tatami mats allows for versatile functionality. For storage of bicycles or strollers, 2 to 3 tatami mats may suffice. Considering the family composition and lifestyle, it is advisable to design with some margin to accommodate potential future changes in use.
What materials are suitable for flooring in earthen-floored spaces (doma)?
Common materials include tamped earth (sanwado), mortar, and tiles. Mortar is relatively inexpensive and provides a clean finish but requires measures to prevent cracking. Tiles offer excellent ease of cleaning and a wide range of design options. Natural tamped earth has moisture-regulating properties but requires regular maintenance. Selection should be made according to the intended use.
How should the boundary between the earthen floor area and the living space be planned?
It is common practice to establish a clear distinction by incorporating a step or level difference. A height difference of approximately 15 to 20 centimeters helps prevent the intrusion of dust and dirt. Using sliding doors or shoji screens as partitions allows for flexible control between openness and privacy. Additionally, to maintain thermal performance, proper insulation and airtightness treatment at the boundary are crucial considerations.
What are the appropriate methods for implementing thermal insulation measures in earthen floors?
The standard practice is to install insulation materials beneath the earthen floor slab, known as slab insulation. It is essential to use airtight gaskets between the foundation and the sill plate to prevent cold air infiltration into the interior. Additionally, an appropriate ventilation strategy is necessary to address condensation issues. Designing with consideration for the overall thermal performance balance of the entire residence is crucial.
Is ventilation equipment necessary for work conducted on earthen floors?
Depending on the nature of the work, we recommend installing exhaust fans to manage odors, humidity, and dust emissions. It is effective to combine mechanical ventilation with natural ventilation. Please also consider integrating the system with a 24-hour ventilation system.
Is it possible to design with an emphasis on the connection between the earthen floor space and the garden?
By incorporating sliding doors that provide direct access from the doma to the garden and creating large openings without level differences, a seamless integration between indoor and outdoor spaces can be achieved. Techniques such as extending the eaves to form a semi-outdoor area or continuing the doma flooring material onto the outdoor terrace are also effective. This approach results in a highly attractive residence that allows for gardening activities even during rainy weather.
What are the key spatial composition points to achieve a sophisticated living, dining, and kitchen (LDK) area?
It is important to clearly delineate the functions of each zone while maintaining visual continuity. Gradual zoning can be achieved through variations in flooring materials and ceiling heights, with furniture arrangements organizing circulation paths. Additionally, a well-planned storage system that conceals everyday items helps maintain a clean and uncluttered space, thereby creating a refined atmosphere.
What are the key points to avoid mistakes in lighting planning for the LDK (Living, Dining, Kitchen) area?
Instead of relying on a single light source to illuminate the entire space—a method known as "one-room, one-light"—it is recommended to adopt a "multi-light dispersion" approach by combining multiple lighting fixtures. By tailoring the lighting to different living scenes—such as pendant lights over the dining table to enhance meal times, floor lamps for relaxing on the sofa, and spotlights to highlight wall art—you create spatial depth and a rich, dynamic atmosphere.
Are there methods to improve heating and cooling efficiency in an open-plan living, dining, and kitchen (LDK) area?
The fundamental approach is selecting HVAC equipment with appropriate capacity corresponding to the size of the space. Installing ceiling fans to promote air circulation and adopting underfloor heating to ensure comfort from the floor level are also effective measures. Additionally, implementing high thermal insulation specifications can create an energy-efficient and comfortable environment.
What considerations are necessary for acoustic planning in the LDK (Living, Dining, Kitchen) area?
A balanced approach between sound absorption and reflection is essential. Soft furnishings such as curtains and sofas should be utilized to absorb sound, ensuring that audio from televisions and sound systems remains clear and intelligible. In open kitchen layouts, it is also important to consider the spatial arrangement to minimize noise from ventilation fans and dishwashers. Designing with an awareness of sound propagation is highly recommended.
What are the design tips for making storage look attractive in an LDK (Living, Dining, Kitchen) space?
It is important to strategically use both open and concealed storage. In the living area, custom shelving can be used to display books and decorative items; in the kitchen, a pantry effectively hides everyday clutter; and in the dining area, storage designed to showcase tableware beautifully enhances the space. Planning that leverages the unique characteristics of each area is most effective.
Are there any design considerations when connecting the LDK (Living, Dining, Kitchen) area with other rooms?
Managing level differences and designing openings are key points. In relation to the Japanese-style room, it is possible to balance functionality and aesthetics by incorporating features such as seating spaces utilizing the step difference and creating an open connection through large sliding doors.
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