There are several common materials used for sliding doors, including:

Wood: Wood is a classic and timeless material that can add warmth and character to a space. Sliding doors made of wood are often stained or painted to match the decor of a room.

Aluminum: Aluminum is a popular choice for sliding doors due to its durability, strength, and low maintenance requirements. It is also lightweight and resistant to corrosion, making it ideal for use in areas with high humidity or salt air.

Vinyl: Vinyl is a cost-effective material that is lightweight and easy to maintain. It is also energy-efficient, which can help reduce heating and cooling costs.

Fiberglass: Fiberglass is a strong and durable material that is resistant to rot, corrosion, and pests. It is also lightweight and low-maintenance, making it a good choice for sliding doors.

Glass: Glass is a popular material for sliding doors as it can allow natural light to flow into a space while still providing privacy and noise reduction. Glass doors can be framed with materials such as aluminum or wood to provide additional strength and durability.

Overall, the choice of material for sliding doors will depend on factors such as budget, aesthetics, durability, and maintenance requirements, as well as the specific needs of the space where the doors will be installed.