Parcel Orders over $300 Ship Free.
Stratarock High Build Repair 40lb unit

Stratarock High Build Repair 40lb unit

Sika-Sikaflex-2C-NS-EZ-Mix

Sika Sikaflex 2C NS EZ Mix+ Limestone 1.5 Gallon

Emseal QuietJoint SHH

QuietJoint is a sound, draft, heat, cold, and dust blocking acoustic partition closure and joint filler for interior, nonmoving joints and gaps. Blocks sound transmission between rooms.

  • Fire-Resistant
  • Non-Invasive Anchoring
  • Rapid Installation
SKU
Emseal QuietJoint SHH

Emseal QuietJoint – High-Performance Acoustic Partition Closure

Emseal QuietJoint is a high-STC, non-mechanical, sound-blocking joint filler designed for interior, non-moving joints and gaps. Engineered to seal air, sound, heat, cold, and dust infiltration, it is an ideal solution for partition gaps, window-wall joints, mullions, and head-of-wall conditions. Featuring a mass-loaded fire-resistant foam core coated with commercial-grade silicone, QuietJoint® offers superior sound attenuation with an STC-53 rating, while also delivering excellent insulation properties. The foam core is infused with an acrylic-based mass-loading agent, ensuring durability and compliance with ASTM E-90 sound transmission standards. Available in multiple colors or a paintable finish, QuietJoint® provides a seamless aesthetic in various architectural applications.

Key Features:

  • Mass-loaded acoustic seal for superior sound attenuation (STC-53, OITC-38)
  • Fire-resistant foam core with Class A flame and smoke spread rating (ASTM E-84-12)
  • Insulates against HVAC losses (R-value 2.85/inch depth, ASTM C-518-04)
  • Non-invasive, non-mechanical anchoring for easy installation
  • Available in two-sided (SHH) or three-sided (SHG) silicone-coated options
  • Customizable color options and a paintable STP sealant variant
  • Accommodates curved applications and irregular gaps
  • Ideal for commercial, institutional, and industrial interiors

Technical Specifications:

Property Value
Sound Transmission Class (STC) STC-53 (single side), STC-72 (double side)
Outdoor-Indoor Transmission Class (OITC) OITC-38 (single side), OITC-60 (double side)
Fire Resistance ASTM E-84 Class A (Smoke and Flame Spread)
Insulation Value (R-Value) R-2.85 per inch of depth
Material Options Silicone-coated (SHH, SHG) or paintable STP
Available Joint Widths 1" to 6" (25mm to 150mm)
Depth of Seal 2" (50mm) for widths up to 4.75", 3" (75mm) for widths 5" to 6"
Standard Lengths 6.56 ft (2m) or 10 ft (3m)

 

Frequently Asked Questions:

What applications is Emseal QuietJoint® used for?
It is designed for interior, non-moving gaps and partitions, including window mullions, head-of-wall applications, and partition closures.

Does QuietJoint® provide soundproofing?
Yes, QuietJoint® has a high STC rating of up to 72 when installed on both sides of a partition, making it highly effective at reducing airborne noise transmission.

What sizes does QuietJoint® come in?
It is available in widths from 1" to 6" with a standard depth of 2" or 3", depending on the width.

Can QuietJoint® be painted?
Yes, the STP-coated variant is designed to be paintable with latex and acrylic coatings for a customized finish.

For more details, visit Emseal QuietJoint

More Information
BrandEmseal