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Pemko 345AN Sill Sweep with Gray Nylon Brush and Rain Drip - Mill Aluminum
The Pemko 345AN is an architectural-grade surface-applied sill sweep engineered for maximum weather defense. Featuring a dual-action design, it combines a high-density Gray Nylon Brush with an integrated Rain Drip flange. The aluminum rain drip effectively redirects water away from the door bottom, while the densely compressed nylon filaments conform to irregular floor surfaces to block air, light, and moisture. This profile is specifically designed for the exterior pull side of outswing doors.
High-Performance & Weather Defense Features
- Integrated Rain Drip Design: The built-in deflector flange is specifically engineered to redirect driving rain away from the gap at the bottom of the door, preventing water damage to the sill and interior flooring.
- Flexible Nylon Brush Seal: Crafted from Type 6 nylon bristles, the brush remains flexible down to -40°F and maintains its shape even after thousands of door cycles, providing a superior seal with minimal closing force.
- Pest & Rodent Protection: The dense arrangement of nylon filaments naturally repels spiders and rodents. For high-risk areas, the brush can be treated with standard household repellents for enhanced pest control.
- Fire and Smoke Certified: Rigorously tested under UL 10C (Fire) and UL 1784 (Smoke), this sweep meets NFPA 105 requirements, allowing no more than 3.0 cfm of smoke leakage per square foot.
- Sustainable & Safe: Proudly GREENGUARD Gold Certified for low chemical emissions and BHMA Certified to meet ANSI/BHMA A156.22 performance standards.
Technical Specifications
- Manufacturer: Pemko (ASSA ABLOY)
- Model: 345AN (Mill Finish Aluminum)
- Insert Material: Gray Nylon Brush (Replacement insert: P14100)
- Dimensions: 9/16" Width | 1-15/16" Total Height
- Standard Lengths: 36" and 48" (furnished net length; field trimming required)
- ANSI Rating: R3A534
- Installation: Punched with elongated slotted holes for precise vertical adjustment; includes #6 x 5/8" Pan Head SMS.
Pro-Tip for Exterior Door Sealing
The Pemko 345AN is the industry standard for outswing commercial doors exposed to the elements. For the most effective seal, align the sweep so the brush bristles just meet the bevel of your threshold. This creates a "weather-tight" transition that stops wind-driven rain from being forced under the door. The mill aluminum finish provides a clean, professional look that resists corrosion in high-moisture environments.
| Length | 36 Inch or 48 Inch |
| Brand | Pemko |
| Insert Material | Nylon Brush |
| Material Length | 7/16" |
| Bottom Weatherseal Type | Sill Sweep w/ Rain Drip |
| Fire Rated | Fire Rated |
| Smoke Rated | Smoke Rated |
| Housing Finish | Aluminum |
| Housing Length | 1-1/2" |
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