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Zero #323, Automatic Door Bottom, Mortised and Handed with Neoprene Seal, .375" Drop

Zero #323, Automatic Door Bottom, Mortised and Handed with Neoprene Seal, .375" Drop
Automatic Door Bottom, Mortised and Handed Seal in the closed position. Seal in the open position.
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This Zero International #323, automatic door bottom has a strong, durable aluminum casing that has a handed and mortised application. Fitted with a high quality, extruded neoprene seal insert, this door bottom effectively prevents the infiltration of light, sound, drafts, dirt, and smoke. This product is fire and smoke rated and is available in aluminum mill finish. Custom cut to size.

To determine length needed, see How to Measure for an Automatic Door Bottom. Not sure what handing is required for your door? See How to Determine Handing / Swing of Door.

Price: $55.05
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SKU Z323AA|18
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Description

This automatic door bottom is designed to be fully mortised within the hollow interior of the door. The high quality, durable, neoprene seal is housed within a strong, .062” thick, aluminum casing, and assures solid protection from light, sound, drafts, smoke, and dirt infiltration.  

Its mortised application allows the door to maintain a clean, unobtrusive appearance, making it an optimal choice for high-end designer doors and luxury hotels and condos. Available in aluminum mill finish. 

Measurements: The aluminum casing measures .595" wide, with a height of  1.458".  Optimum clearance between door bottom unit and­ floor or sill is .375”. With a handed design, this automatic door bottom has a .375” foot that extends along the underside of the door, for a neat and unobtrusive installation.

 

How it works: The high quality automatic mechanism consists of an aluminum case which surrounds a moveable drop-bar seal. The drop-bar seal is actuated by a plunger which contacts the door frame jamb as the door is closing, forcing the drop-bar seal down against the floor / threshold. The plunger requires low closing force to actuate the drop-bar seal. This seal drops to fill gaps of .375".

The mechanism causes the seal to always actuate on the hinge side first, which prevents the seal from skidding along the floor/threshold while the door is being closed. Door hang-up will not occur! Choose the correct swing direction from the drop-down box above. This door bottom  is rated for 5 million cycles.

  • Automatic Door Bottom, .375” door-to-floor clearance
  • Attractive mortised application
  • Handed aluminum casing 
  • High quality neoprene drop seal
  • Available in aluminum mill finish
  • Custom cut to size, minimum order length- 18.25”

Installation instructions and sheet metal screws are provided for installation.

Sizing: To determine length needed, see How to Measure for an Automatic Door Bottom.

HandingNot sure what handing is required for your door? See How to Determine Handing / Swing of Door.

Please note, Images are for illustrative purposes only. They are not actual photos. Therefore, actual colors may vary slightly and size may be enlarged to show detail. See product specs for exact measurements.

This product has a 1 year guarantee against defects in material and workmanship.
Click to view our Full Warranty Policy

Check out our other Mortised Automatic Door Bottoms.

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Shipping / Returns
  • Ship Time:
    • This product is custom made to your specifications, please allow 2-3 weeks to ship
    • *Similar or equivalent products from other manufacturers may be available to ship sooner. For expedited processing please contact our customer service department.
    • EXCEPTIONS: Gold Anodized Aluminum and Black Anodized Aluminum Products require 2-6 week processing time.
    • Ships via major carriers, such as UPS or FedEx Ground, with tracking information provided.
       
  • Domestic Shipping Fees- (Hawaii and Alaska not Included):
    • FREE SHIPPING on orders over $200.00 (excludes oversized and freight orders).
    • There will be a flat $19.99 shipping and handling fee on orders under $200.00.
    • Oversized Items: Items 86" and above have an oversize surcharge of $70.00
    • Freight Orders: Items 95" and above require freight shipment and have a shipping charge of $150.00
    • Orders totals above $1,500.00 will ship free, regardless of size.
       
  • Alaska and Hawaii, Canada, and International Shipping:
  • Returns:
    • This product is custom made and is not returnable.
    • We are commited to your satisfaction, as a courtesy, we may, at our discretion accept returns with a minimum 30% restock fee.
    • Weatherstripping products will not be considered for returns.
    • Item must be in new, resaleable condition.
    • Please call or email us to receive an RMA number before returning. No returns will be processed without an RMA number.
    • Return shipping is customer's responsibility. A return address will be provided with RMA#.
    • If you are shipping via USPS (not recommended) do NOT require signature as we will not be able to pick up your package from local post office facility.
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