It prevents high summer temperatures from entering indoors and keeps winter heating from escaping outside.
In European architecture, many openings such as windows and entrances, which serve as the boundary between the interior and exterior of a home, utilize wooden frames. This is due to the wood's high insulation performance (thermal conductivity of 0.12), its soothing qualities that evoke a sense of comfort, and an understanding of the importance of protecting the earth's natural environment. By using organic wooden frames, high summer temperatures are not transmitted indoors, and winter heating is not lost to the outside. The breathing wood is truly a living material. Just as with temples and shrines, wood continues to live on through proper maintenance. 【Features】 ○ Air tightness, insulation, soundproofing → There is no worry about heat escaping from the windows or condensation forming, as they are equipped with performance comparable to walls. ○ Durability → Wooden frames do not burn away and are less likely to deform from heat, making them more fire-resistant than aluminum frames. ○ Health and comfort → Wood has moisture-regulating properties and is a user-friendly material that provides a sense of tranquility. ○ Design and color → Wooden frames come in various opening methods and a wide range of window designs. For more details, please contact us or download the catalog.
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【Performance】 ○Fire Resistance →Certified to comply with the fire protection equipment regulations stipulated by the Building Standards Act. ○Adhesive: Aica Aibon AUH-1 →Type: MDI-based isocyanate compound →Regulations: Hazardous materials, Category 4, Type 4 petroleum products, Hazard class 3 →Remarks: Does not contain PCB heavy metals or formaldehyde. →Formaldehyde emission rating: F☆☆☆☆ (JISK6806) 【Standard Specifications】 ○Uses local timber from each region (e.g., Aomori Hiba) ○Uses wood with excellent strength and workability (Lodgepole Pine, Western Pine) ○Form →Finger jointed →Made with laminated wood ○Fittings →Manufactured by GU (Germany) →Manufactured by IPA (Denmark) ○Paint: Manufactured by Libos (Germany) ○Gaskets →Manufactured by GU (Germany) →Manufactured by IPA (Denmark) →Manufactured by DAFA (Denmark) ○Grille: Single-sided lattice ●For more details, please contact us or download the catalog.
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JOYWOOD's Kawakami Manufacturing Company produces and constructs wooden sashes and school partitions. For nearly 100 years, since before modern facilities were established, we have been handcrafting various building products and have inherited that craftsmanship. We reflect the wishes of designers and clients in our products, delivering wooden sashes that meet their satisfaction.