JAS — ALUMINIUM & KACA BANGUNAN specializes in precision aluminium and architectural glass solutions for residential and commercial projects. Combining durable materials, meticulous fabrication, and on-site installation expertise, JAS delivers sleek, energy-efficient façades, windows, and partition systems tailored to each project's technical needs and aesthetic vision. Our local know-how and commitment to timely, code-compliant execution make us a trusted partner for architects, developers, and contractors.

At JAS we build on a foundation of craftsmanship, safety, and collaborative integrity: we prioritize material excellence and precise workmanship so every aluminium frame and glass panel performs long-term; we embed safety and compliance into every step from design through installation; and we partner openly with clients and project teams to translate design intent into durable reality. These values guide our decisions—favoring pragmatic innovation, transparent communication, and responsibility to schedules and budgets—so clients can rely on results that are both beautiful and buildable.