日本住環境 List of Products and Services

An air bridge connecting the underfloor and living space! This floor grille features a solid wood finish that emphasizes texture. Over time, it reveals a calm and rich color. It can be used as a heat source supply vent during winter and as a ventilation route connecting the underfloor and living space. Additionally, it has a sliding mechanism for adjusting airflow according to the season and purpose. We offer a variety of sizes: 600, 300, and 150. Its unique design in solid wood allows it to be used without clashing with any interior design. 【Features】 ■ Equalizes air between the underfloor and indoor space ■ Unique feel and workability of solid wood ■ Ideal as a heat source supply vent. Use it as a supply vent when installing heating equipment. ■ Three sizes to choose from based on usage. Suitable for both spacious living rooms and narrow spaces like toilets and storage rooms. ↓ For more details, please download the catalog or contact us.

• Ventilation openings
• Ventilation and smoke exhaust equipment
• Heating and cooling equipment and facilities

An air bridge connecting the underfloor and living space! A big size model with adjustable length! The 'Floor Slitter MEGAMAX' expands in width to match the size of the underfloor heater and allows for length adjustment. A taper has been added to the bottom of the slats to ensure maximum heat supply is not hindered. It can be utilized to its fullest as a heat source supply outlet during winter. 【Features】 ■ The unique feel and workability of solid wood ■ Ideal for heat source supply outlets. The width has been expanded to match the size of the underfloor heater. ■ Equalizes air between the underfloor and indoor space. Provides a ventilation path to reduce temperature differences that cause condensation. ■ A variety of models to choose from based on usage. Suitable for a wide range of regions and applications, with excellent design quality. ↓ For more details, please download the catalog or contact us.

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Easily achieve airtight treatment in corners! A new lineup of simplified airtight components has been added. The airtight corner guard is designed for the corner areas of indoor spaces. Currently, corner construction is done using tape, but this product eliminates that hassle and allows for easy installation of airtight treatment. The double-sided tape on the product adheres to the airtight sheet and blocks pinholes. 【Features】 ■ Three-dimensional shape that fits corners ■ Speedy installation achieved in three steps ■ Compatible with ceilings, floors, and both corners ■ Tape treatment is also possible ↓ For more details, please download the catalog or contact us.

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Easily waterproof and airtight treatment for CD pipes and PF pipes! The Dome Packing is a product designed for waterproof and airtight treatment of CD pipes and PF pipes. Responding to the demand that small-diameter piping sections penetrating the exterior wall substrate are difficult to seal with tape alone, we developed a product that can be used with CD pipes and PF pipes, similar to our product "Dome Packing," which simplifies the piping penetration section. 【Features】 ■ Compatible with CD pipes and PF pipes with nominal diameters of Φ14 to 28 ■ No need for waterproof treatment around the pipe ■ Excellent weather resistance! ■ Easy installation that can be torn by hand. Can be used by dividing one main piece into four. For more details, please download the catalog or contact us.

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A breathable waterproof sheet processed with aluminum that meets JIS standards "Josheets LX Silver 10/11" is a breathable waterproof sheet characterized by aluminum coating technology. It thoroughly prevents wall condensation with performance that clears JIS standard values (Type B) and heat shielding effects. 【Features】 ■ A sheet with essential performance for high-performance housing ■ Custom printing available on LT Silver ■ Fully compliant with JIS standards ↓ For more details, please download the catalog or contact us.

• Waterproof sheet

Start of New Floor Insulation Installation In recent years, floor insulation methods have become very labor-intensive and costly due to the need to raise the floor and install thick insulation materials to enhance performance. This time, we have achieved a high-performance floor insulation method aimed at halving fuel consumption by installing insulation materials under the joists without raising the floor, improving both performance and workability. Additionally, we have eliminated heat bridges in rigid floors and floor insulation. By using floor insulation hooks, a stable wooden framework can be constructed. [Features] ■ The surface temperature of the floor increases compared to conventional floor insulation methods, enhancing comfort. ↓ For more details, please download the catalog or contact us.

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Easily and reliably handle surprisingly troublesome edge treatments! When installing insulation with a moisture-proof sheet, you can easily and reliably achieve airtightness and moisture-proofing at L-shaped areas such as where the floor meets the wall, the wall meets the ceiling, and the exterior wall meets the partition wall using "Mebari Long." It has crease lines that allow for easy bending into an L shape along the junctions. It can be installed in one go with the long 50m roll. It is ideal for preventing condensation within wall cavities and preventing drafts. 【Features】 ■ Effectively guards airflow at junctions ■ Easily bends into an L shape with crease lines for simple installation ■ Long roll (50m) eliminates the hassle of joining pieces For more details, please download the catalog or contact us.

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Functions as an entrance to the ventilation layer! To prolong the life of a house, it is important to clarify the entry and exit points for air flow. The "Ventilation Layer Holder P" is used as that entrance and holds the ventilation layer in place. It ensures a solid amount of ventilation and provides waterproofing and insect resistance with high weather-resistant polypropylene, securing the quality of your home. 【Features】 ■ Prevents fluttering of breathable waterproof sheets ■ Waterproof and insect-resistant performance with honeycomb structure ■ Compatible with batten sizes of 15 to 18mm ■ For batten size of 18mm, use eaves ↓ For more details, please download the catalog or contact us.

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The eaves ventilation component "ep30 Eaves Ari K" does not show ventilation holes when viewed from below, achieving solid ventilation performance without compromising a simple exterior design. It can be installed continuously, preventing stagnant air and issues like attic condensation and heat accumulation. 【Features】 ■ Acquired 30-minute fire resistance. The thermal expansion sheet blocks the holes in the grille to prevent fire spread! ■ Compatible with eaves material thickness of 12mm. Fire certification obtained using 12mm eaves material. ■ Suitable for eaves projections of 2000mm or less. ■ Available in two colors (White/Black). *For more details, please refer to the PDF document or feel free to contact us.

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• Ventilation openings
• Piping and insulation

Overwhelming moisture-proof performance brought by aluminum vapor deposition! Danchi Sheets have approximately 30 years of trust and achievements since their launch in 1980. We take pride in the moisture-proof performance achieved through our unique sheet composite technology "aluminum vapor deposition," as well as its strong durability to withstand harsh environments. It is a sheet for moisture-proofing and airtightness on the indoor side of floors, walls, ceilings, and roofs of insulation materials, but can also be used as a moisture-proof film for underfloor moisture prevention. 【Features】 ■ Reduces moisture intrusion! There's a huge difference between having it and not having it! ■ Aluminum vapor deposition & JIS compliant product ■ Various sizes available! Reinforced with Wari-F (high-performance non-woven fabric) to achieve strength that can withstand construction! ↓ For more details, please download the catalog or contact us.

• Humidity control materials
• Waterproofing work
• Insulation work

Endure harsh work with high strength & ensure reliable airtightness!! By adding antioxidants and UV degradation inhibitors to virgin polyethylene, it has high weather resistance and excellent durability. With five different widths available, you can choose according to the method and application location, allowing for smooth installation. The soft material effectively overlaps, ensuring reliable airtightness. 【Features】 ■ Protects homes from air leakage and condensation with a continuous moisture-proof airtight layer! ■ Complies with JIS A6930 ■ Various widths available! ↓ For more details, please download the catalog or contact us.

• Humidity control materials
• Waterproofing work

You can easily and reliably perform waterproofing and airtight processing around pipes using stretch-processed polyethylene material. It is easy to cut with steps and markings, accommodating various pipe diameters. Since tape processing is not required for the parts in contact with the pipes, anyone can easily install it, and the construction level on-site can be standardized. 【Features】 ■ No tape processing required for the parts in contact with the pipes ■ Compatible with a wide range of pipe diameters ■ Standardizes the construction level ↓ For more details, please download the catalog or contact us.

• Other opening accessories (airtight materials around doors and windows, etc.)
• Waterproof tape, adhesive, drain, protective panel
• Waterproofing work

For various waterproofing and airtight construction, including connections with wooden parts! This is a waterproof and airtight tape with high elasticity and adhesion. It has excellent followability for wooden connections due to its high elasticity and adhesion. Additionally, the elasticity of the base material provides good sealing for nail holes, maintaining waterproofing. Furthermore, it has no release paper and excellent hand-tearability, making installation smooth and highly effective on site! Available in three widths—50mm, 75mm, and 100mm—and two colors: white and black. (Double-sided options are available in 50mm and 75mm widths, in black.) 【Features】 ■ High elasticity & adhesion ■ Excellent waterproofing ■ Smooth installation ■ Choose the required width from 50/75/100mm ↓ For more details, please download the catalog or contact us.

• Waterproof sheet

It follows the drying shrinkage of wood and achieves airtightness easily and reliably! Made of foam-based EPDM rubber, it has excellent weather resistance and maintains airtightness in gaps between sashes and wooden frames, as well as between floor plywood and foundations, thanks to the restoration of the foam material. It also adapts to the drying shrinkage of wood. This is a well-balanced packing material for airtightness, insulation, waterproofing, and windproofing. 【Features】 ■ Follows the drying shrinkage of wood and easily and reliably achieves airtightness around windows ■ Ensures airtightness through restoration ■ Usable beyond just around windows ↓ For more details, please download the catalog or contact us.

• Safety and consumables

【Features】 ■ Made of EPDM, it has excellent weather resistance and maintains an airtight seal between the foundation and the base due to the recovery of the foam substrate. ■ Follows gaps caused by the drying and shrinking of wood. ■ Suppresses the deterioration of airtightness. ↓ For more details, please download the catalog or contact us.

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The top edge list is used as a sealing material for foundations and bases. It employs a high-density packing with a rubber density of 0.6g/cm³, enhancing airtightness and durability. 【Features】 ■ With an outer diameter of 15mm, it has high compatibility with the foundation top edge. ■ Corner components make corner treatment easy. ■ The strength of EPDM rubber and polyethylene sheets. ↓ For more details, please download the catalog or contact us.

• Safety and consumables

【Features】 ■ Made of EPDM, it has excellent weather resistance and maintains airtightness between the foundation and the base due to the restoration of the foam substrate. ■ It follows gaps caused by the drying and shrinking of wood, suppressing the deterioration of airtightness. ■ By adopting a windproof and moisture-permeable sheet in the sheet section, it promotes the elimination of moisture from the base. ■ Wrapping the sheet around the outside of the base improves the workability of the indoor base and girders. ■ It is possible to simplify the airtight treatment. ↓ For more details, please download the catalog or contact us.

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【Features】 ■ When performing airtight and moisture-proof construction for houses, it allows for easy handling of the most challenging parts, such as penetrations (beams, columns, ducts, etc.) and window areas of the airtight and moisture-proof sheet. ■ The adhesive layer on the back (acrylic rubber type) has separate release papers (split type) for the regular tape section and the stretchable tape section. ↓ For more details, please download the catalog or contact us.

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Easily and securely cover the gap-filled area around outlets. The "Barrier Box" features a specially processed recessed area that prevents dust, air, and water vapor from entering through outlets and other openings. The connection wire section does not require sealing with caulk, urethane treatment, or tape, allowing for easy and reliable installation. Additionally, one side is slanted, ensuring a tight fit when insulation is pushed in, preventing thermal bridging. 【Features】 ■ No tape treatment required for the contact area with pipes ■ Easy and reliable installation with special processing ■ Unique shape enhances airtightness For more details, please download the catalog or contact us.

• Other opening accessories (airtight materials around doors and windows, etc.)
• Lighting outlet equipment
• Wiring devices

Simplifying complex airtight sealing processes expands usability! It can be used not only around the columns of 3.5-inch square pillars on ceilings and floors, but also for the connections between handrails and exterior walls, as well as beam connections when separated into two parts. Additionally, when separated into four parts, it can be used for airtight (waterproof) treatment of 4-inch square pillars and window corners. Complex airtight sealing can be easily and reliably achieved with a single item. 【Features】 - Enables secure taping and easy airtight construction - Smooth separation thanks to the "V-cut line" - Can be separated into two parts to accommodate "beam connections" and "handrail and exterior wall connections" - Can be separated into four parts to accommodate "window corners" and "4-inch square pillars"

• Safety and consumables

Exhibits outstanding performance on roof surfaces where the ridge length cannot be taken. This is a ridge ventilation component designed for installation on the roof deck. By providing four-directional side vents on roof surfaces where the ridge length cannot be taken, such as gable or hip roofs, attic ventilation is promoted. It can also be used during roof tile renovations, so please consider it when installing tile roofs. 【Features】 ■ Usable for any roof shape ■ Designed for installation under tiles, compatible with Japanese-style, flat, and S-shaped tiles ■ Waterproof and insect-proof performance due to honeycomb structure ■ Usable for both wet and dry applications ■ Choose the required length from 455 and 910 ↓ For more details, please download the catalog or contact us.

• Waterproofing work
• Roof and gutter construction
• Ventilation openings

A ridge ventilation component that efficiently expels hot air accumulating in the attic! The strong summer sunlight heats the roof and exterior walls, warming the attic and ventilation layers. The heated air rises, forming a layer of hot air. The "Ridge Vent" is installed at the ridge of the house, where hot air tends to accumulate, efficiently expelling moisture and heat from the attic to improve the durability of the home. 【Features】 ■ Easy to process on-site ■ Waterproof and insect-proof performance with honeycomb structure ■ Durable polypropylene resistant to degradation ■ Model 182 fits standard ridge caps ↓ For more details, please download the catalog or contact us.

• Ventilation openings

A waterproof component that excels in waterproofing and is not constrained by the shape of the tiles, designed for installation under the tiles. This is a ridge ventilation component for under-tile installation. Since the opening is originally located beneath the tiles, it is difficult for water to enter, which is a significant advantage in terms of waterproof performance. Additionally, because it is installed under the tiles, it is not limited by the shape of the tiles, allowing for easy installation without much concern. The "Under Vents N" is installed as the top tile batten of the tile roof and ventilates through the gaps between the tiles. When constructing a tile roof, please consider using "Under Vents N." 【Features】 ■ Easy to process on-site ■ Waterproof and insect-proof performance due to honeycomb structure ■ Usable for both wet and dry applications ■ Supports ceiling areas of up to 35.0m² with one unit ↓ For more details, please download the catalog or contact us.

• Waterproofing work
• Ventilation openings

Ventilation grilles for attics corresponding to quasi-fireproof areas! This eaves ventilation component ensures adequate airflow without compromising aesthetics, suitable for narrow spaces, flat types, and zero eaves. When combined with "Eaves Vent 585," it enhances waterproof and insect-proof performance. Additionally, it has passed a one-hour fire resistance structure certification test, making it a high-spec component that combines ventilation and fire protection performance. 【Features】 ■ Components designed with construction and aesthetics in mind ■ High durability that is resistant to rust and corrosion ■ One-hour fire resistance! Guards against flames ■ Improved waterproof and insect-proof performance when combined For more details, please download the catalog or contact us.

• Ventilation and smoke exhaust equipment
• Ventilation openings

L-shaped ventilation material that ensures proper ventilation without compromising aesthetics The "L-shaped Ventilation Liner 12" is, as the name suggests, an L-shaped structural ventilation component. Ventilation measures for exterior walls are essential for improving the durability of wooden houses. It can ensure proper ventilation without compromising aesthetics from the top of parapets and balcony railings. It can also be used in areas where ventilation has been difficult, such as zero eaves and gables. 【Features】 ■ Easy installation with L-shape ■ Waterproof and insect-proof performance with honeycomb structure ■ Deterioration countermeasures (attic ventilation measures) ■ Combination for enhanced effectiveness For more details, please download the catalog or contact us.

• Waterproofing work
• Housing structure technology/long-term superior housing technology
• Ventilation openings

Long-term excellent housing requires inspection openings in the floor and ceiling. These openings are places where insulation deficiencies and air leaks are likely to occur. The dam blocker for ceilings has high thermal insulation and airtightness, making it a perfect product for high-performance homes. 【Features】 ■ High thermal insulation performance with a heat flow rate of 0.14W/(m2·K), compliant with energy-saving standards in all regions! ■ Uses EPS insulation material with minimal changes over time! ■ Maintains high airtightness with inner packing! ↓ For more details, please download the catalog or contact us.

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【Features】 ■ An ecological (passive) humidifier that hooks onto a panel heater and utilizes its heat ■ No electricity costs at all ■ Achieves natural moisture ↓ For more details, please download the catalog or contact us.

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It can be used in two ways in both the eaves and the ventilation layer. As an eaves ventilation component, it can be used in narrow areas, zero eaves, and eaves houses. Additionally, it can also serve as a ventilation layer holding component, functioning as an intake grille (entrance) for the foundation part in ventilation layer construction. Made of highly weather-resistant polypropylene, it is expected to provide high effectiveness regardless of its application. 【Features】 ■ Prevents fluttering of the moisture-permeable waterproof sheet ■ Waterproof and insect-proof performance through honeycomb structure ■ Intake and exhaust grilles that respond to all-weather and all-direction needs ■ Ventilation layer holder P for 15-18mm battens ↓ For more details, please download the catalog or contact us.

• Roof and gutter construction
• Ventilation openings