SEWOOMETAL developed its aluminum spacers on its own. The company independently manages all processes — from rolling, to heat treatment, extrusion and precise cutting. The company’s strict control ensures perfectly uniform quality and allows it to supply products at consistently stable prices, and meeting customers’ production schedules.
Leveraging Alloy 3003, SEWOOMETAL found the optimal blending ratio through years of R&D. The optimized coil design ensures superior strength.
The exceptionally clean-cut surface facilitates stable bending and efficient corner key insertion during insulated glass manufacturing, thereby significantly boosting on-site production efficiency.

The Back Welding Spacer is uniquely designed and manufactured under SEWOOMETAL’s patent. This design effectively blocks the leakage of Argon gas compared to standard spacers, making it excellent for maintaining the long-term thermal performance of insulated glass.
SEWOOMETAL offers a total of three lineups — the General type; the Back Welding type; and the premium Black color type — to enhance architectural design aesthetics. This diversity allows it to perfectly meet the requirements of all its clients’ projects.

SEWOOMETAL Co., Ltd. is a specialized company that has been manufacturing aluminum spacers and related materials for Insulating Glass Units (IGUs) for over 35 years, since 1989.
In particular, the company has recently proven its technological capabilities by successfully achieving domestic production (localization) of Warm Edge Spacers (insulated spacers) for IGUs.
SEWOOMETAL’s product quality is officially recognized, having been selected as a recommended product by both KCC’s E-Max Club and LX Glass’ Duolite Club. The company consistently maintains this trust through annual self-certification updates.
SEWOOMETAL contributes to improving the energy-efficiency of buildings through its unique technology and quality control, and aims to become a key partner in the future construction industry.

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