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Pemko 253X4AFG 7-1/8" Thermal Barrier Saddle Threshold — 1/2" High, Mill Aluminum
The Pemko 253X4AFG is a commercial-grade thermal barrier saddle threshold engineered for exterior door openings where energy efficiency and a smooth, low-profile transition are essential. Measuring 7-1/8 inches in width and 1/2 inch in height, this mill aluminum saddle threshold features an integrated thermal barrier that reduces conductive heat transfer through the threshold body — a critical performance attribute for energy-conscious commercial construction and renovation projects. The mill aluminum finish provides a clean, industry-standard appearance suitable for a wide range of door frame environments.
Institutional Grade Features & Benefits
- Thermal Barrier Construction: Built-in thermal break separates the interior and exterior aluminum sections, significantly reducing thermal conductivity and helping to limit energy loss at the door sill.
- Low-Profile Saddle Design: The 1/2" height offers a code-friendly, ADA-conscious profile that minimizes trip hazards at commercial thresholds while maintaining a secure weather seal at the door bottom.
- 7-1/8" Width: Sized for standard commercial door openings, providing full coverage across the door sill for proper thermal and weathering performance.
- Mill Aluminum Finish: The natural mill aluminum surface resists corrosion and is compatible with anodizing or painting for project-specific finish requirements.
- Commercial Durability: Pemko’s 253 Series thresholds are designed for heavy-use commercial applications, delivering long-term performance in high-traffic entryways.
- Easy Field Cutting: Aluminum construction allows on-site trimming to exact door opening widths, simplifying installation in new construction and retrofit applications.
Technical Details
| Feature | Details |
|---|---|
| Brand | Pemko |
| Model / Part Number | 253X4AFG |
| Part Type | Thermal Barrier Saddle Threshold |
| Width | 7-1/8 inches |
| Height (Rise) | 1/2 inch |
| Material | Aluminum |
| Finish | Mill Aluminum |
| Series | Pemko 253 Series |
| Application | Commercial door openings |
Documentation
| Length | 36 Inch or 72 Inch |
| Brand | Pemko |
| Threshold Grade | Commerical- Standard |
| Threshold Type | Thermal Barrier |
| Threshold Height | 1/2" |
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