null

Sound Lock™ Adjustable Double Door Seal Kits

FREE Standard Shipping Details

×

FREE Standard Shipping

Free shipping is valid on any order shipped to a single address in the mainland USA. Standard shipping is covered. Overnight or 2-day delivery will cost extra and is not available on custom-made products.

$799.99
In stock.
This product ships in 2-4 business days.

Sound Lock™ Double Door Seal Kits

Soundproof double doors with the Sound Lock™ Double Door Seal Kit. Double doors have even more air gaps than single doors, further increasing their need for a sealing solution. Whether these doors are in an office, school, or other, there's no better way to keep unwanted noise out of a room with double doors.

 

Features

  • Soundproofs any solid core double doors by sealing off the open air gaps
  • The bottom seals and jamb seals are adjustable to allow for an airtight fit on any standard double door
  • Adds up to 20 STC points (MAX: STC 51)
  • Durable, anodized aluminum casing with a soft, neoprene rubber seal
  • Optional astragal seal available at height of door

 

Do I Need an Astragal Seal?

If your double door is not sealed between doors, you need an astragal seal.

 

 

Specs

 Jamb Seal Length   *See chart below 
 Jamb Seal Width   1-5/16"
 Jamb Seal Thickness   1/2" 
 Bottom Seal Length   2-5/32" 
 Bottom Seal Width   24" to 48" 
 Bottom Seal Thickness   17/32" 
 Astragal Seal Length   84" or 96"
 Astragal Seal Width   7/16" 
 Astragal Seal Thickness   9/16" 
 Weight   Roughly 20 to 40 lbs 
 STC Rating   Up to 20 STC points, Max STC: 51 

  

What's in the Kit?

  • (3) Adjustable Jamb Seals
  • (2) Adjustable Bottom Seal
  • (1) Optional Astragal Seal

 

 Width/Door   Height   Jamb Seals Included 
 24"   84" or less   (1) 48" jamb seal + (2) 84" jamb seals 
 26" - 36"   (1) 72" jamb seal + (2) 84" jamb seals 
 38" - 42"   (3) 84" jamb seals 
 44" - 48"   (1) 96" jamb seal + (2) 84" jamb seals 
 24"   84" - 96"   (1) 48" jamb seal + (2) 96" jamb seals 
 26" - 36"   (1) 72" jamb seal + (2) 96" jamb seals 
 38" - 42"   (1) 84" jamb seal + (2) 96" jamb seals 
 44" - 48"   (3) 96" jamb seals 

 

Resources 

 Spec Sheet  Sound Lock™ Door Seal Product Sheet 
 Install Guide   Sound Lock™ Door Seal Install Guide PDF 
 Install Video   Sound Lock™ Door Seal Install Video 

 

 

Installation Instructions

  • Sound Lock™ Double Door Seal kits should not be used on hollow-core doors.
  • The included screws can be used on wood or metal door frames. For metal door frames, confirm there's a decent gauge of metal and drill a pilot hole. A finer thread screw may be needed for very low gauge of metal.
  • For carpet applications, a flat smooth threshold (not included) should be used.
  • Recommended 1-1/2" of flat space on the door jambs to install the jamb seals.
  • The bottom seal should drop 3/8” to the floor below.
  • The astragal seal should be installed between both doors.
  • Download our Sound Lock™ Door Seal Install Guide PDF

 

How to Measure Your Doors

  1. Open the doors.
  2. Measure the distance from the floor to the top of the door frame. Write it down.
  3. Measure the width of the door frame across the top frame over to the end of the door panel. Write it down.
  4. Double check your measurements to ensure you get the correct sized kit. The bottom seal should only be cut a maximum of 2".

 

 

How Soundproof Will My Door Be with the Sound Lock™ Door Seal Kit? 

 Type of Door   Est. STC Rating   Advice From Second Skin Experts 
 Hollow Core or Foam Filled Double Door   STC 20 to 35  Upgrade to solid core doors before soundproofing
 Solid Core Double Door  STC 38 to 51  Get the heaviest doors that matches your budget/aesthetics 
 Sound Lock™ Soundproof Door (Request Double Door Quote)   STC 56  Interior wood door that maxes out performance and can be customized to fit your needs 
 Two Double Doors Back to Back  STC 60+  Two sealed double doors back-to-back will soundproof what one door alone cannot

 

 

Common Product Uses