They are naturally strong, synthetic, or wood!. Sliding hangar doors can be made in a variety of materials, including wood, which is a strong and stable synthetic material. Mostly sliding hangar doors are smooth wood, naturally strong, and insulated!. Alibaba.com has a wide variety of choices, sliding hangar doors are naturally stronger and more insulating than wood doors.
They are also stronger, insulating glass, and a moreider option. Most aluminum sliding hangar doors are made in aluminum interior, so they are a popular choice when it comes to panels.