A threshold crafted from a specific metamorphic rock, often veined and polished, is commonly found at a prominent retail establishment specializing in home improvement supplies. These thresholds serve to transition between flooring types, often installed in doorways or at the entrance to showers, and are available for purchase at a large chain hardware store. For instance, one might utilize this material to create a smooth and aesthetically pleasing division between a tile bathroom floor and a hardwood hallway.
The employment of such a threshold offers several advantages. Beyond its visual appeal, it provides a durable and water-resistant barrier, preventing moisture from migrating between rooms. Its hardness resists wear and tear, making it a long-lasting solution compared to other materials. Historically, this material has been valued for its beauty and resilience, making it a popular choice for both practical and decorative purposes in residential and commercial buildings.