AATIS/fr is a fire-retardant aluminium composite panel with a mineral-filled, non-combustible core of Magnesium Hydroxide, bonded between two layers of pre-coated premium-grade aluminium alloy. It meets international fire retardancy standards including Class B1 (DIN 4102), Class A (ASTM E84), and BS 476 Class 0 — and has been the specified choice for Thailand's most demanding public-sector, high-rise, and institutional facade projects since 1997. Landmark installations include Krung Thep Aphiwat Central Terminal / Bang Sue Grand Station (200,000 sqm), the Government Complex Changwattana (81,294 sqm), and the Securities and Exchange Commission headquarters. AATIS/fr is required by specification on buildings exceeding three storeys and any project referencing fire-rated facade materials.​