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 Zero #360, Automatic Door Bottom, Mortised, Heavy Duty with Sponge Neoprene Seal, 1" Drop
Bestseller
Zero #360, Automatic Door Bottom, Mortised, Heavy Duty with Sponge Neoprene Seal, 1" Drop
SKU: Z360AA|18

This Zero International #360, Fully Mortised, Heavy Duty, Sound Rated Automatic Door Bottom provides the best sound seal possible for normal sound levels, and will prevent infiltration of lights, drafts and more. Fitted with a sponge neoprene drop seal and high quality mechanism that has been successfully tested through 5 million cycles! Rated for fire, smoke and sound infiltration. Length is custom cut to size. View more details in details below.

Starting price $80.79 per item
Zero #350, Automatic Door Bottom, Mortised with Neoprene Seal, .75" Drop
Bestseller
Zero #350, Automatic Door Bottom, Mortised with Neoprene Seal, .75" Drop
SKU: Z350AA|36

This Zero International #350, Fully Mortised, Regular Duty Automatic Door creates a tight seal at the bottom of doors to prevent infiltration of sound, light, drafts and more. Fitted with a solid neoprene seal and high quality mechanism that has been successfully tested through 5 million cycles! This model is fire rated. Length is custom cut to size (see below for details).

Note, this product is priced per range with 18.25" - 36" being the lowest priced range. To determine sizing needed, see How to Measure for an Automatic Door Bottom.

Stock size items are available to ship within 1 business day. Click her for our Quick Ship TMH Mortised Automatic Door Bottom.

Starting price $55.38 per item
Zero #351, Automatic Door Bottom, Surface Mounted Casing with Neoprene Seal, .75" Drop
Bestseller
Zero #351, Automatic Door Bottom, Surface Mounted Casing with Neoprene Seal, .75" Drop
SKU: Z351AA|36

This Zero International #351, Regular Duty, Surface Mounted, Automatic Door Bottom will ensure a proper and tight seal to the gap at the bottom of your door. Will block, sound, light, drafts and more. Equipped with a long-lasting, high-quality, neoprene seal and mechanism that has been tested to 5 million opening and closings. Smoke and Fire-rated, this ADB is available in 2 finishes and is custom cut to size.  View more details in the description tab below. 

How to Order: Selecting Finish and Exact Size required will determine total price. Note, product is priced per range with 18.25"-36" being the lowest priced range. To determine size required, see How to Measure for an Automatic Door Bottom.

Stock sizes - 30", 32", and 36" long are available to ship within 1 business day. Click here for our Quick Ship TMH Surface Mounted Automatic Door Bottom.

Starting price $67.00 per item
Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop
Bestseller
Zero #361, Automatic Door Bottom, Surface Mounted, Heavy Duty, Sponge Neoprene Seal, 1" Drop
SKU: Z361AA|36

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.

Starting price $93.46 per item
Zero #364, Automatic Door Bottom, Mortised, Heavy Duty with Neoprene Bulb Seal, 1" Drop
Bestseller
Zero #364, Automatic Door Bottom, Mortised, Heavy Duty with Neoprene Bulb Seal, 1" Drop
SKU: Z364AA|36

This Zero International #364, Fully Mortised, Heavy Duty Automatic Door Bottom will block sound, light and drafts by creating a strong seal at the bottom of your door. Fitted with a solid neoprene bulb seal and high quality mechanism that has been successfully tested through 5 million cycles! Rated for smoke and fire and length is custom cut to size.

How to Order: Selecting Exact Size will determine your total price. Note, this product is priced per range with 18-1/4"-36" being the lowest priced range. To determine size required, see How to Measure for an Automatic Door Bottom.

Stock sizes - 32", 36" and 48" long are available to ship within 1 business day. Click here for our Quick Ship TMH Mortised, Heavy Duty Automatic Door Bottom.

Starting price $82.59 per item
Zero #320, Automatic Door Bottom, Mortised Regular Duty with Neoprene Seal
Zero #320, Automatic Door Bottom, Mortised Regular Duty with Neoprene Seal
SKU: Z320AA|18

This Zero International #320 fully mortised, standard duty Automatic Door Bottom creates a tight seal at the bottom of door to prevent infiltration of light, sound, drafts and more. It is fitted with a solid neoprene extrusion with a high quality mechanism that has been successfully tested through 5 million cycles! Can fill gaps up to .5" and is fire rated.

Note, this product is priced per range with 18.25" - 36" being the lowest priced range. To determine sizing needed, see How to Measure for an Automatic Door Bottom.

Starting price $47.01 per item
Zero #321, Automatic Door Bottom, Surface Mounted Aluminum with Neoprene Seal, .5" Drop
Zero #321, Automatic Door Bottom, Surface Mounted Aluminum with Neoprene Seal, .5" Drop
SKU: Z321AA|36

This Zero International #321, regular duty, surface mounted automatic door bottom is fitted with a high quality, extruded neoprene seal insert, which effectively prevents the infiltration of light, sound, drafts, dirt, and smoke. Made with a high quality mechanism that has been successfully tested through 5 million cycles! Available in two anodized finishes. Length is custom cut to size.

SizingTo determine length needed, see How to Measure for an Automatic Door Bottom.

How to Order: Selecting Finish and Exact Size required will determine your total price. Note, product is priced per range with 18.25"-36" being the lowest priced range.

Starting price $53.11 per item
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
SKU: Z323AA|18

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.

Starting price $45.88 per item
Zero #352, Automatic Door Bottom, Semi-Mortised with Neoprene Seal, .75" Drop
Zero #352, Automatic Door Bottom, Semi-Mortised with Neoprene Seal, .75" Drop
SKU: Z352AA|36

This Zero International #352, regular duty, semi-mortised automatic door bottom creates a tight seal at the bottom of doors to prevnt infiltration of sound, light, drafts and more. Equipped with a high quality, long-lasting neoprene seal and mechanism that has been successfully tested through 5 million cycles! This model is fire rated. Available in two anodized finishes and length is custom cut to size.

How to Order: Selecting Finish and Exact Size 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.

Starting price $67.00 per item
Zero #3551, Automatic Door Bottom, For Metal Doors, Mortised, with Neoprene Seal, .5" Drop
Zero #3551, Automatic Door Bottom, For Metal Doors, Mortised, with Neoprene Seal, .5" Drop
SKU: Z3551|36

This automatic door bottom is designed to be mortised within the hollow interior of metal doors. Built to last, the strong, durable aluminum casing contains a high quality neoprene seal insert which effectively seals a gap of .5” beneath the door greatly reducing infiltration of light, sound, dirt, and drafts. Custom cut to size.

Starting price $55.52 per item
Zero #362, Automatic Door Bottom, Heavy Duty Semi-Mortised, Sponge Neoprene Seal, 1" Drop
Zero #362, Automatic Door Bottom, Heavy Duty Semi-Mortised, Sponge Neoprene Seal, 1" Drop
SKU: Z362AA|36

This Zero International #362, Semi Mortised, 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. Fitted with a high quality closed-cell sponge neoprene seal and high quality mechanism that has been successfully tested through 5 million cycles. Rated for fire, smoke and sound. Available in three anodized finishes and is custom cut to size.

Starting price $93.46 per item
Zero #364FS, Automatic Door Bottom, Mortised Aluminum and Neoprene Bulb Seal  with FireStop INTUMET
Zero #364FS, Automatic Door Bottom, Mortised Aluminum and Neoprene Bulb Seal with FireStop INTUMET
SKU: Z364FS-AA|36

This Zero International #364FS, Fully Mortised, Heavy Duty Automatic Door Bottom has a solid neoprene bulb drop seal with INTUMET™ Fire Stop Material Insert (see below for more details) which is great for maintaining or restoring lost fire ratings on doors. This door bottom will block sound, light, drafts and more. It is made of high quality mechanims which have been successfully tested through 5 million cycles. Rated for fire, smoke and sound and length is custom cut to size.

How to order: Selecting Exact Size will determine your price. Note, 18.25" - 36" Range is the lowest priced range. To determine length needed, see How to Measure for an Automatic Door Bottom.

Starting price $117.31 per item