T-End Bottom Astragal
Industry-standard T-end bottom astragal seal for sectional garage doors. Single-T and double-T stem widths (¼", 5/16"), flat sections from 2½" to 4½", and door-width lengths from 8 ft through 20 ft. Available in EPDM rubber for cold-weather flex, TPV for chemical resistance, or flexible PVC vinyl. Compounded to ASTM D2000 and tested as part of door systems meeting ANSI/DASMA 105 and 112 air-infiltration and leakage thresholds.
Also known as
T-stem astragal · bottom seal · U-channel seal · garage door bottom seal · T-end weatherstrip
See cross-industry vocabulary
EPDM rubber seal family
Used in Fenestration, Access Systems, HVAC, Conveyor, Data Centers, Food Processing
Key Features
- EPDM for cold-weather flex
- TPV for chemical and ozone resistance
- Flexible PVC for residential cost-sensitive applications
- Sample-validated before any production run ships
- Spec warehoused locally after first order
Available Materials
Specifications
Component family
Browse the Rubber & EPDM Bulb Seals family →
Hollow bulb extrusions in EPDM, TPV, silicone, and flexible PVC. P-bulb, D-bulb, round-bulb, T-end astragal, and threshold profiles for fenestration, shading, garage doors, and commercial doors.
Spec-equivalent for
T-End Bottom Astragal cross-references
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