Garage door bottom seals and retainers

 Bottom seals on garage doors, also known as bottom weatherstripping or astragal, serve as a barrier to prevent drafts, debris, insects, and moisture from entering the garage space under the door. Here's some information about bottom seals:

  1. Purpose: The primary function of a bottom seal is to create a seal between the bottom of the garage door and the floor, helping to maintain temperature control, improve energy efficiency, and keep out unwanted elements.

  2. Materials: Bottom seals are typically made from various materials, including rubber, vinyl, or a combination of both. These materials are flexible, durable, and resistant to weathering.

  3. Types of Bottom Seals:

    • T-shaped Bottom Seal: This type of bottom seal is commonly used in residential garage doors. It consists of a flexible rubber or vinyl seal attached to a T-shaped aluminum or PVC retainer. The T-shape helps to secure the seal in place and provides additional rigidity.
    • Bulb-type Bottom Seal: Bulb seals are often used in commercial or industrial garage doors. They feature a flexible bulb-shaped seal that compresses against the floor to form a tight seal. Bulb seals are typically made of rubber or vinyl and are attached to a retainer or track.

  4. Installation: Bottom seals are typically installed on the bottom edge of the garage door. They can be attached using various methods, such as screws, adhesive, or built-in tracks. The installation process may vary depending on the specific type and design of the garage door and the bottom seal.

  5. Maintenance and Replacement: Over time, bottom seals may wear out or become damaged due to exposure to weather conditions, repeated use, or age. Regular inspection and maintenance of the bottom seal are recommended to ensure its effectiveness. If the seal becomes worn, torn, or no longer provides an adequate seal, it may need to be replaced. Replacement bottom seals can often be purchased from garage door suppliers or home improvement stores.



Properly installed and maintained bottom seals are essential for maintaining a comfortable and well-protected garage space. If you have specific questions about the bottom seal on your garage door, it's advisable to consult the manufacturer's guidelines or seek assistance from a professional garage door technician.

Call us today for a free estimate to see if we can help you 2146128375

visit our website for additional information gdrinstallations.com


Location: Forney, TX 75126, USA

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