Sound Lock⢠Adjustable Double Door Seal Kits
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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
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Specs
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 |
Installation Instructions
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 3/8ā to the floor below.
- The astragal seal should be installed between both doors.
- Download our
How to Measure Your Doors
- Open the doors.
- Measure the distance from the floor to the top of the door frame. Write it down.
- Measure the width of the door frame across the top frame over to the end of the door panel. Write it down.
- 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?
How Soundproof Will My Door Be?
| 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
Common Product Uses
- Soundproof existing double doors with the double door seal kits for the most cost effective existing door soundproofing method.
- Offices with double doors - conference rooms and meeting rooms need to keep conversations from distracting outside noises out
- Church sanctuary double doors - double doors lead into many sanctuaries and no one wants to hear those in the lobby while in service
- Home recording studios with double doors - if you have double doors leading to your home studio, keep noises out of recordings and simultaneously keep your music from disturbing others in the house
- Schools with double doors - testing rooms, gymnasiums, and cafeterias can all benefit from a soundproof double door
- Community center double doors - where there are gatherings there is often sound and community centers need soundproof double doors as much as any place
- Soundproofing any room with a double door - any room where unwanted noise needs to stay out and/or the sound on the inside needs to stay in, soundproof double doors are a must
- For doors with windows, combine a double door seal kit with our soundproof window inserts. We have a huge variety of window soundproofing options!
Resources
Installation Guides
Spec Sheets
Product FAQ
Do I Need an Astragal Seal?
Do I Need an Astragal Seal?
