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Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop

Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop
Product Specs of Automatic Door Bottom 361 Clear Anodized Door Bottom 361 Aluminum Door Bottom 361 Applied on Interior Wooden Door, in Open Position Aluminum Door Bottom 361 Applied on Interior Wooden Door, in Closed Position Dark Bronze Anodized Door Bottom 361 Gold Anodized Door Bottom 361

This Zero International #361 Surface Mounted, Heavy Duty, Sound Rated Automatic Door Bottom provides the best sound seal possible for normal sound levels, and will prevent infiltration of light, drafts and more. Equipped with a long lasting, high-quality sponge neoprene seal and mechanism that has been tested to 5 million openings and closings. Rated for fire, smoke and sound infiltration and available in three anodized finishes. Length is custom cut to size. View more details in the description below.

How to Order: Select Finish and Exact Size required, this will determine your total price. Note, product is priced per range with 18.25"-36" being the lowest priced range. To determine sizing needed for your door bottom, see How to Meaure for an Automatic Door Bottom.

Stock sizes - 32" and 36" long are available to ship within 1 business day. Click here for our Quick Ship TMH Surface Mounted Automatic Door Bottom.

Price: $93.46
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Made in USA
SKU Z361AA|36
Shipping See Shipping Tab Below
Description

Dimensions:  Casing measures 1.901" by .916" with .083" thick aluminum casing.

Seal:  Closed cell sponge neoprene rubber seal.

Available Colors:  Clear Anodized, Dark Bronze Anodized, Gold Anodized Aluminum

Compliance Details:  Smoke rated, fire-rated and is UL listed. See Product Data tab for more details.

Handing:  Can be used on both right handed and left handed doors.

Installation:  Installation instructions and screws included. Screws are colored to coordinate with casing.

Sizing:  To determine sizing required, see How To Measure For An Automatic Door Bottom.

Insert Replacement: Click here to purchase a Sponge Neoprene Replacement Seal for this product.

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.

See also our Zero International #367 High Sound Automatic Door Bottom for even higher sound control.

How It Works

Automatic Door Bottoms utilize a concealed flat spring mechanism and plunger. When the door is closed, a brass plunger is compressed to automatically lower the seal, starting from the hinge side first. This motion ensures a smooth usage even on an uneven surface and prevents drag. The seal is automatically raised upon opening. These automatic door bottoms have been successfully tested through 5 million cycles!

See also About Automatic Door Bottoms.

Product Specs
Compliance Details

Installation Guide

Click here for a Printable Copy of How to Install an Automatic Door Bottom.

Automatic Door Bottoms are available with three mounting options: Surface Mounted, Semi-Mortised and Fully Mortised. A surface mounted application can be applied without removing the door from its hinges. For a semi-mortised, if the rabbet in the door is cut-out already, the door does not need to be removed. For a fully mortised application the door should be removed before starting. 

STEP 1: SIZING YOUR DOOR BOTTOM

Once your door is ready for installation you need to determine the size required for your door bottom:

  • For a Surface Mounted Application: Measure the distance between the two stop moldings, or if a perimeter door gasket is applied, measure the distance between the two installed gaskets, then minus 1/8-1/4"” (.125”) from the total distance. That is the size needed for your door bottom.
  • For a Semi-Mortised and Fully Mortised Application: Measure your door from side to side; that is the measurement needed for your automatic door bottom.

For visual presentation see How to Measure for an Automatic Door Bottom.

How to Install an Automatic Door Bottom- Figure 1

Once you have determined the size needed, if necessary, trim your door bottom. Use a chop saw or table saw to create a perfectly straight cut.

Note, Only trim opposite the actuating plunger, brass nut. (Trimming from the brass nut side will ruin your ADB).

 

How to Install an Automatic Door Bottom- Figure 1You can trim from the edge up to one inch of the screw in the side wall of the ADB.

 

STEP 2: PREP FOR ATTACHING AUTOMATIC DOOR BOTTOM

How to Install an Automatic Door Bottom- Figure 3Surface Mounted and Semi-Mortised models need to be applied to the push side of the door only (the side with the door stops). The actuating plunger needs to be applied to the hinge side of the door for all applications.

Place the automatic door bottom against the door

Once you have the automatic door bottom leveled and positioned correctly, with a pencil or marker mark where the attachment screws need to be drilled.

STEP 3: ATTACHING THE AUTOMATIC DOOR BOTTOM

How to Install an Automatic Door Bottom- Figure 4

To make installation easier you can drill a pilot hole which will ensure you attach the door bottom to the correctly marked spot. With the screws provided, screw in the automatic door bottom.

In some models, a plate is provided for the hinge side of the frame. This will protect the door frame from getting worn down by the actuating plunger. If provided, attach to corresponding point on the frame.

 

STEP 4: TESTING YOUR AUTOMATIC DOOR BOTTOM

How to Install an Automatic Door Bottom- Figure 5Now that the door bottom is attached, test the door bottom by opening and closing the door to ensure there is a full seal. If the seal does not come down far enough twist the brass nut out, if it seals too tight twist the brass nut in.

Once you have followed through with all the instructions your Automatic Door Bottom is good to go! Enjoy years of quality sound, draft and light infiltration control with your new door bottom.

For additional assistance and product information, feel free to contact us. Our trained and friendly staff will guide you with all your soundproofing needs.

 

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.
Reviews
Product reviews are only available to verified buyers of this product. To leave a review, please refer to the product review email we sent you.
pros
  • Good Design (10)
  • Easy To Use (10)
  • Quality Materials (10)
  • Durable (7)
  • Safety Features (2)
cons
  • Missing One Screw (1)
  • Too soon to tell (1)
  • Wears Out Quickly (1)
best uses
  • Inside (8)
  • Small Jobs (4)
  • Big Jobs (2)
  • Outside (1)

Reviewed by 12 customers

Displaying reviews 1-12

By Jasmine

from Dist. Of Columbia

About Me Casual Do-It-Yourselfer

Verified buyer
5.0
Does the Job!
10/11/19
pros
  • Durable
  • Easy To Use
  • Good Design
  • Quality Materials
cons
best uses
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
I live in a condo and my front door is by the main entry. By adding this automatic door bottom it has greatly reduced the exterior hallway noise.

By Lewis

from Utah

About Me Professional

Verified buyer
5.0
An excellent product. Performs and installs as advertised.
09/10/19
pros
cons
best uses
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
Had a minor problem with the rubber seal inside popping out of it's groove and distorting. Disassembled the unit & put the rubber seal back in it's place and all is well now.
Bottom Line Yes, I would recommend this to a friend

By Marko

from Denver, CO

About Me Beginner

Verified buyer
5.0
Nice Door Sweep
06/26/17
pros
  • Durable
  • Easy To Use
  • Good Design
  • Quality Materials
cons
best uses
  • Inside
  • Small Jobs
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
Fit and works like a champ
Bottom Line Yes, I would recommend this to a friend

By Bob

from Stonington CT

About Me Avid Do-It-Yourselfer

Verified buyer
5.0
Good product, fantastic service!
07/19/16
pros
  • Durable
  • Easy To Use
  • Good Design
  • Quality Materials
cons
best uses
  • Inside
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
All good
Bottom Line Yes, I would recommend this to a friend

By Harry the harried

from Pontiac, Michigan

About Me Professional

Verified buyer
3.0
Shorted one screw - Frustrating
05/29/15
pros
cons
  • Missing One Screw
best uses
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
What I thought was going to be (and should have been) a 30 minute job turned into an hour and a half becauae I had to make a trip to the hardware store for a .50 screw. Made the job a loser. Good product, but when you're charging this much, can't you err on the side of an extra screw rather than shorting people a screw? Mak3s you look cheap.
Bottom Line Yes, I would recommend this to a friend

By med

from baltimore

About Me Casual Do-It-Yourselfer

Verified buyer
4.0
really works
12/10/14
pros
  • Easy To Use
  • Good Design
  • Quality Materials
cons
best uses
  • Inside
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
easy to order, easy to install. Works as advertized
Bottom Line Yes, I would recommend this to a friend

By Vamar Construction

from Toronto, Canada

About Me Professional

Verified buyer
5.0
Good product and quick delivery
04/05/14
pros
  • Durable
  • Easy To Use
  • Good Design
  • Quality Materials
  • Safety Features
cons
best uses
  • Inside
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
Ordered the product on short terms. Got it in time for install,good quality, no problems with sizes. A good company !!!
Bottom Line Yes, I would recommend this to a friend

By J-Ray

from Birmingham, MI.

About Me Professional

Verified buyer
5.0
Good for large gaps
02/27/14
pros
  • Easy To Use
  • Good Design
  • Quality Materials
cons
  • Too soon to tell
best uses
  • Inside
  • Small Jobs
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
Needed a seal for an entry door with a bottom gap larger than most door stop seals. Entry door has a flat threshold, a larger stop would cause a tripping hazard. The automatic door bottom seals tight to the threshold when the door is closed and with a 1" travel it covers the gap perfectly.
Bottom Line Yes, I would recommend this to a friend

By Facilities Maintenance

from Phoenix, AZ

About Me Professional

Verified buyer
5.0
Great product!
02/11/14
pros
  • Durable
  • Easy To Use
  • Good Design
  • Quality Materials
cons
best uses
  • Big Jobs
  • Inside
  • Small Jobs
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
I ordered these after trying another brand and was disatisfied with the others. First of all, they came cut to the exact length I ordered them. Second, they were very easy to install and the directions that came with them were spot on! It couldn't have been easier! They have been in use for a few months on heavily used commercial doors and they work great!
Bottom Line Yes, I would recommend this to a friend

By Tanager

from Albuquerque NM

About Me Professional

Verified buyer
5.0
Great door bottom
12/09/13
pros
  • Durable
  • Easy To Use
  • Good Design
  • Quality Materials
cons
best uses
  • Outside
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
Simple easy to install does a great job.
Bottom Line Yes, I would recommend this to a friend

By dbmusicstudios

from Los Angeles, CA

Verified buyer
3.0
Keeps sound at bay, decently solid.
12/06/13
pros
  • Easy To Use
  • Good Design
  • Quality Materials
cons
  • Wears Out Quickly
best uses
  • Inside
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
I bought these for my recording studio doors to keep sound out from under the door without using a doorstop. It works amazingly at keeping sound at bay, however recently (about a year and half after installing) the gasket seal has not been closing as tightly as it used to, and I am noticing a bit more sound leaking through the bottom of the door. I am most certain I have to clean it out or oil it in order to get it back to working order. Anyway, pretty easy to install and adjust, works as describes, just looks like it needs some TLC after thousands of opens / closes.

By Brad/Facilities

from Phoenix, AZ

About Me Professional

Verified buyer
5.0
Great product and cut to the exact size!
12/06/13
pros
  • Durable
  • Easy To Use
  • Good Design
  • Quality Materials
  • Safety Features
cons
best uses
  • Big Jobs
  • Inside
  • Small Jobs
Comments about Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop:
I have used other companies and products and have been very diappointed. With this product and compay I have been more than satisfied. It was an easy website to use and even easier to complete my order. The product came cut to the precise size, had great instructions for use and is of great quality.
Bottom Line Yes, I would recommend this to a friend
Displaying reviews 1-12
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