Question: what are sinks made of?
Answer: Most sinks are either solid porcelain or the sink is made from cast iron or steel and coated with porcelain on the outside, for a durable, beautiful finish. Porcelain sinks can last up to 30 years, and cost as little as $80, and as much as $800 for high-end sinks. Choose this type of sinks for bathrooms and kitchens.