BS5867 Part 2 Type A, B and C for Contract Curtains (2025 Update) 2025 Update: Why This Standard Still Matters As of 2025, BS5867 Part 2 remains the key flammability standard for fabrics used in curtains, drapes, and blinds in commercial and public buildings. Although the current version was republished in 2008, it is still referenced by fire officers, insurers...