DBCI M640 Roll-Up Door Bottom Seal - 3/8" T, 1" Blade, Gray, 24.5' Roll | 100059-03-GR-KIT24.5

This 24.5-ft roll of gray DBCI-style blade weatherstrip is used to replace worn, cracked, missing, or damaged bottom seal on compatible roll-up doors. This profile is used on DBCI M640 doors and other compatible self-storage, mini-warehouse, and overhead doors that use an equivalent 3/8" T-style blade seal.

The 3/8" T-style mount fits into the bottom seal retainer, while the 1" blade profile helps close the gap between the bottom of the door and the floor or threshold. This shorter roll is a practical choice for smaller replacement jobs, repairs, or field-cut lengths where a larger roll is not needed. This seal is made in the USA.

Fit and Compatibility

• DBCI-style blade weatherstrip used on M640 roll-up doors
• Fits compatible 3/8" T-style bottom seal retainers
• 1" blade profile helps improve door-to-floor sealing
• Gray PVC weather seal for compatible roll-up and overhead doors
• Used on many self-storage, mini-warehouse, and compatible overhead door applications
• Review the seal measurements shown on this page before ordering
• Samples may be ordered to confirm fit before purchasing full rolls

Installation Notes

• Remove the old bottom seal and clean dirt or debris from the retainer before installing the new seal.
• Check the retainer for crushed, bent, or pinched areas and straighten as needed.
• If needed, use a small amount of plastic-safe, non-staining lubricant in the retainer to help the seal slide into place.
• Keep lubricants away from visible painted surfaces, hasps, latch areas, and any areas that may be repainted later.
• Avoid pulling with excessive force, which may stretch or damage the seal.
• Trim excess seal after installation and lightly crimp the track ends if needed to reduce seal movement.

This replacement seal may also be referred to as blade weatherstrip, bottom seal, bottom weather seal, door astragal, or roll-up door weather stripping. It helps reduce drafts, light gaps, dust, and water intrusion at the bottom of compatible doors.