To safely clean 150-year-old timber floors, use only pH-neutral, non-ionic cleaners diluted to 1–2%, applied with a well-wrung microfiber mop. Avoid steam, vinegar, ammonia, bleach, or abrasive pads at all times. Work in small sections, maintain a stable humidity level, and always test the cleaner first. Antique timber is softer and more porous due to age, making it highly sensitive to moisture and harsh chemicals. This means your...