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Pemko 4301CRL Surface or Semi-Mortised Automatic Door Bottom, Sponge Neoprene EPDM Seal
The 4301 Series Non-Handed, Semi-Mortise and Full Surface Automatic Door Bottom is a heavy-duty solution for preventing air, light, sound, fire, smoke, dust, and moisture from entering the gap under doors. It features a drop-down seal that is lowered when the door is closed. This door bottom is available in anodized finishes and has a choice of Nylon Brush, PemkoPrene, or EPDM rubber seal. It can be surface mounted or semi-mortised applied to the face of the door.
Specifications
- Base Material: Aluminum
- Fasteners: THSMS #10 x 2"
- Maximum Length: 72"
- Minimum Length: 12"
- Overall Height: 1 25/32"
- Width: 29/32"
Features
- Non-Handed, Semi-Mortise and Full Surface
- When ordering, must specify if the automatic door bottom is for a semi-mortise application so that shorter screws can be provided
- Smoother action positive seal mechanism: Aluminum case encloses a movable drop-bar seal actuated by a jamb-contacting plunger during door closure, providing an effective seal
- Most models available with nylon brush (NB) seals. Nylon filaments conform extremely well to irregular surfaces such as carpet, stone and grout lines
- End plates are provided for all mounting applications
- Drop-bar seal actuation mechanism (all models) ensures hinge-side actuation, preventing seal skidding and door hang up during closure
- Provided at NET length
- Can be trimmed down by as much as 2" in the field (stock lengths only). If non-stock sizes are ordered, order must note need to trim 2 inches from the size ordered
- Available in any size ranging from 18" to 48"
Benefits
- Smoother action positive seal mechanism
- Drop-bar seal actuation prevents the seal from skidding along the floor / threhold while the door is being closed
- Door hang-up will not occur
- Provides excellent seal to keep out draft, dust, moisture, insects, fumes, light, and sound
Certifications
- GREENGUARD Gold Certified
- UL 1784 - Standard for Air Leakage Tests of Door Assemblies and Other Opening Protectives
- UL 10C - Standard for Positive Pressure Fire Tests of Door Assemblies
- ASTM E-283-04 (2012)
- ASTM E 90-2009
- ANSI/BHMA A156.22 Door Gasketing and Edge Seal Systems
| Length | 36 Inch or 42 Inch or 48 Inch |
| Brand | Pemko |
| Insert Material | Neoprene |
| Fire Rated | Fire Rated |
| Mounting Type | Surface Mounted |
| Bottom Weatherseal Type | Automatic Door Bottom |
| Housing Finish | Aluminum |
| Sweeps, Door Bottom or Rain Drip | Door Bottom |
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