Mixed windows WE 70

The TOSTEM WE 70 mixed window combines modern design, a durable structure, and high performance in accordance with Japanese standards. The product enhances natural lighting, provides effective ventilation, and protects the interior space from environmental impacts while meeting strict technical requirements for safety, sound insulation, and water tightness. It is an ideal choice for families looking for a convenient, safe, and open living space.

Sturdy Window Frame and Superior Water Infiltration Resistance

The WE 70 mixed window utilizes a bottom frame rail combined with specialized drainage components to prevent rainwater penetration and keep the interior space dry. The high-durability frame structure withstands wind pressure and mechanical impacts, making it suitable for residential buildings and high-rise apartments.

Ergonomic Handle for Effortless Operation

Designed according to ergonomic principles, the handle allows for easy opening and closing, reducing fatigue during frequent use. This design is suitable for users of all ages—from children to the elderly—while ensuring stability and safety during operation.

High-Quality Safety Lock System

The WE 70 mixed window incorporates an advanced locking mechanism featuring anti-prying protection to enhance the overall security of your living space. Crafted from durable materials, the locking system ensures long-term stable operation and resists wear and tear under tropical climatic conditions.

Flexible Outer Sash Latch and Smooth Operation

The outer sash latch is precisely adjustable, ensuring smooth operation and stable opening/closing. This design increases airtightness, minimizes noise, reduces air leakage, and enhances sound insulation while protecting the interior.

Seamless Integration with Fixed Windows

The WE 70 mixed window allows for direct integration with fixed glass panels without requiring a transom or mullion bar. This creates a seamless design, offers an unobstructed view, and maximizes natural light. This design solution elevates aesthetic appeal while enriching the living experience within the space.

Convenient Sliding Insect Screen

The product comes equipped with an internal sliding insect screen that blocks mosquitoes and bugs while maintaining ventilation. It is an effective health-protection solution for humid tropical climates.

International Standard Technical Specifications

The window has a frame depth of 72 mm for standard sliding configurations and 104 mm for 3-track sliding configurations. The bottom frame rail height is 35 mm, supporting glass thicknesses ranging from 5 to 8 mm. Combined with a sturdy build, these specifications ensure structural stability, soundproofing performance, and superior load-bearing capacity.

Japanese JIS Standard Operational Performance

The WE 70 mixed window meets JIS standards with a wind pressure resistance of S-1 (800 Pa), water-tightness of W-2 (150 Pa), air-tightness of A-3, and sound insulation performance of 25 dB. These metrics demonstrate the product’s ability to protect interior spaces while maintaining a quiet and comfortable environment for users.