Door Gasket Set - Heavy Duty, Adjustable

Door Gasket Set - Heavy Duty, Adjustable

Our highest quality door seal for professional door sound control.

Professional Grade, Heavy Duty Adjustable Door Gasket fitted with an solid neoprene seal will provide a secure seal around the perimeter of your door frame.

Available in two anodized finishes in sets of standard stock sizes.


Special Discounts apply to orders over $500.00! See Product Descriptions for details.

Price: $426.70
Save to wishlist
Made in USA
Fast turnaround

Proper sealing of your door frames is a must in any serious soundproofing project, as sound waves can easily penetrate through small gaps around your door. This highly professional heavy duty gasket is used in many recording studios and other high end projects. It is also the gasket of choice for acoustic door manufactures striving to maintain their STC rating in sound control tests.

This adjustable door gasket is ideal when seeking the ultimate seal for your door frame. Gasket is made of heavy duty material, and is sound, smoke, fire and pressure tested.

Available in two Anodized Finishes in standard stock sizes.

Sizing: Priced per set. Each set includes one 36" Header and two 84" Jambs.

Custom Sizing: Custom sizes up to 120" are available for purchase through our office. Please contact us at 845-388-1200.

Custom Edge: Products above are supplied with a straight edge cut. For highest soundproofing abilities we recommend a mitered edge cut. Mitered edge requires greater lead time and can be purchased through our office.


  • Size: Due to the size of this gasket the corners can be mitered and placed perpendicular for a true seal. Another great advantage is that this gasket can be applied as a door stop (and replace your stop molding) or onto an existing stop, we recommend using it as a door stop itself. As a stop molding it will run along the length of your door frame to the bottom of your door and will be compatible with an automatic soundproof door bottom.
  • Adjustable Seal: As doors tend to shift and warp over time it is inevitable that eventually your gasket will lose its effectiveness and provide a compromised seal between the gasket and the door. This gasket can be easily adjusted with a simple twist of a screwdriver, allowing you to maintain a constant tight seal.
  • Seal Material: Gasket is fitted with a solid neoprene bulb seal which compresses against the door to ensure an airtight seal. Seal is made of high quality material that will outlive frequent usage and stay flexible in all weather conditions. Additionally, for extra protection, the interior of the casing is filled with neoprene.
  • Adjustment Screws: The adjustment screws on this gasket are drilled and tapped, not stripped, like other similar looking gaskets. This ensures years of use even when used as a door stop.

Installation screws provided. Screws are colored to blend unobtrusively with casing.

Not sure what size you need? See our installation guide on how to measure for your perimeter door gasket. If you are unsure of the exact size required, order longer than necessary as this product can easily be trimmed with a standard hacksaw.

Before Completing Your Purchase:

This gasket can be installed over an existing molding or used as a door stop, Click here to view product specs to determine whether this heavy duty gasket will fit your door frame.

For a smaller and less obtrusive gasket, consider our Basic Door Gasket or Adjustable Door Gasket.

When installing, it is recommended that this product be set in a bead of caulking to ensure the integrity of the seal and prevent additional sound transmission. Alternatively a bead of clear silicone can be ued where gasket meets door and in the corners.

Special Discounts on Our Door Hardware:

No Coupon Code Needed. Discount automatically applied when added to shopping cart.

Spend $500.00, get 5% off plus free shipping
Spend $1000.00, get 10% off plus free shipping

See our Monthy Specials and Discounts for more great Soundproofing Savings!

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

Please don't hesitate to call us at 845-388-1200 should you not find what you are looking for or need more information.

Installation Guide

Click to Print Installation Instructions

Sound and air infiltration are very common through the gaps around the perimeter of doors. Installing a proper seal onto a door stop provides the added benefits of a door with higher sound control while it prevents energy loss, thus lowering your utility bills.

How to Measure for a Perimeter Door Gasket:

How to Measure for a Perimeter Door Gasket - Figure 1

First measure the Door Stop along the header (top) of your door from side to side (see Figure 1).

Next, measure the full length of your jamb (sides of your door), from the floor surface or doorway threshold to the top of your door header.

You can easily resize the door gasket on the field if necessary, so you might want to leave ½”- ¾” (.5” - .75”) room for error.
Make note of your required dimensions.


How to Install a Perimeter Door Gasket:



How to Install a Perimeter Door Gasket - Figure 2

First measure and test the header piece to ensure it is not too long.
If trimming is necessary, use a chop saw with a carbide blade to cut down to size.



How to Install a Perimeter Door Gasket - Figure 3

Close the door and position the header piece. Seal should simply make light contact with the door.
A fully compresses seal is not necessary and not recommended, as it will inhibit proper operation of door.

Mark screw position in the center of the hole and drill pilot holes. 

Secure header gasket with screws supplied (see Figure 3).

Test the door to ensure gasket is positioned correctly. If necessary, loosen screws, reposition gasket and tighten screws again.



How to Install a Perimeter Door Gasket - Figure 4

Repeat Step 2 above for your jamb pieces

(see Figure 4).


Once you finish installing your perimeter door gasket, enjoy the benefits of a properly sealed door for many years to come!

For more assistance and product information, contact us or call us at 845-388-1200. Our trained and friendly staff is on hand to guide you with all your soundproofing needs.

Shipping & Returns

Shipping and Return information is specific to this product page only (not for other products on our site).

  • Shipping:
    • Standard stock sizes (available above) ship within 1 business day.
    • If purchasing large quantities please call our office at 845-388-1200 to verify stock.
    • For custom sizes ordered through our office, please allow 7-14 business days to ship.
    • Shipping is FREE in the USA (excluding Alaska and Hawaii).
    • Ships FedEx Ground.
  • Returns:
    • Product can be returned if in brand new condition up to 30 days from date of purchase.
    • 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. Return address will be provided along with RMA number.
    • 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.

Send to friend
: *
: *
: *
Related products
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.
  • Attractive (1)
  • Easy To Install (1)
  • Heavy Duty (1)
best uses
  • Interior Doors (1)

Reviewed by 1 customers

Displaying reviews 1-1

By Don

from Springfield MA

About Me Avid Do-It-Yourselfer

Verified buyer
Very good for soundproofing
  • Attractive
  • Easy To Install
  • Heavy Duty
best uses
  • Interior Doors
Comments about Door Gasket Set - Heavy Duty, Adjustable:
Works very good for soundproofing an office.
Bottom Line Yes, I would recommend this to a friend
Displaying reviews 1-1
Recently Viewed

Customers Questions and Answers

1) Danny A: This gasket says 84" ...I have an 80" door. Do I cut this? It seems awful expensive to just cut? Do you make a 80" gasket or just use the hacksaw? Danny A

Trademark Soundproofing Reply: Hi Danny, Yes you can easily cut the gasket with a circular or hack saw. If you prefer you can contact us and we can send you a custom cut piece at 80 inches. price would be the same however it would add about a week to the ship time.

2) Jim S: If I purchase your adjustable sound door gasket set how soon would I receive it?

Trademark Soundproofing Reply: Hi Jim. That item is in stock and usually ships within 1 business day.

3) MARK S: what is the stc rating on this product

Trademark Soundproofing Reply:

Hi Mark. Door gaskets and seals do not have an actual STC rating. Rather they are tested as to how well they can retain the STC rating of a door. This heavy duty gasket has been tested in conjunction with the heavy duty automatic door bottom to retain the STC of the door within 2 points.

4) Bob S: I have 2 doors that are 96" tall and 30" wide can this set be ordered in custom dimensions?

Trademark Soundproofing Reply: Yes we do custom sizes as well. Usually a 2 week lead time. Please call to order 845-388-1200