EMCaulk Conductive Caulk

  • SKU:
  • Stock Status: In stock


Orders Ship in 3-5 Business Days! 

Discover EMCaulk, your ultimate choice for electrically conductive acrylic latex caulk. Now available in two outstanding versions:

EMCaulk Classic: The classic solution, perfect for maintaining electrical continuity and long-term electromagnetic shielding on both interior and exterior surfaces. This premium sealant offers flexibility, durability, and water resistance, ensuring an airtight seal. It safeguards your space against environmental elements, making it an ideal choice for sealing gaps, cracks, joints, and more. Easy cleanup and the option to paint after curing provide added convenience.

EMCaulk FLEX: An enhanced, flexible version of our premium caulk. EMCaulk FLEX delivers the same electrical continuity and long-term electromagnetic shielding while providing high flexibility. This makes it suitable for a wide range of applications, ensuring a durable, airtight, and water-resistant seal. It excels at sealing gaps, cracks, joints, and more, offering exceptional protection against environmental elements. Cleanup is a breeze, and it’s also paintable after curing.

Choose the EMCaulk version that suits your needs and enjoy the superior performance it offers.


Product Description


EMCaulk is your reliable choice for quality electromagnetic shielding on a wide variety of interior and exterior surfaces. Designed to create a flexible, durable, airtight, and water-resistant seal, EMCaulk offers the protection you need against environmental conditions, making it a valuable asset for a range of applications. Available in two versions, both providing essential shielding qualities, you can now select the one that best suits your needs.

Key Features Shared by Both Versions:

Durable Seal: Both EMCaulk versions offer a strong and long-lasting seal against environmental factors and electromagnetic leakage, ensuring optimal performance in a variety of situations.
Versatile Use: Suitable for both new construction projects and repair scenarios, these caulk versions are dependable for interior and exterior applications.
Paintable: Enjoy the convenience of painting over your applied seal for seamless integration into your project’s aesthetics.
Soap and Water Cleanup: Cleaning up is a breeze with simple soap and water, making your application process hassle-free.

EMCaulk FLEX – The Enhanced Version:

Introducing EMCaulk FLEX, the enhanced version of our popular conductive caulk. While preserving the electrical conductivity of the classic version, EMCaulk FLEX brings you remarkable flexibility, making it an ideal choice for applications where flexibility is paramount. If your project requires a highly conductive seal with added flexibility, this is the version for you.

EMCaulk Classic – The Traditional Version:

Our classic EMCaulk delivers the same high-quality shielding you’ve come to trust. This version maintains a strong focus on traditional conductivity and is an excellent choice for applications where classic conductive properties are the priority.

Select EMCaulk for reliable electromagnetic shielding in your projects. Whether you prefer the enhanced flexibility of EMCaulk FLEX or the traditional conductive properties of EMCaulk Classic, you’ll enjoy durable and long-lasting protection against electromagnetic interference. Choose the version that best aligns with your specific requirements.


  • Durable seal against both environmental and electromagnetic leakage
  • Suitable for both new construction and repair situations
  • Paintable and rated for interior and exterior use
  • Soap and water cleanup
  • Available in FLEX and Classic versions

Specifications Overview:

  • Vehicle: Acrylic Latex Polymer
  • Pigment: None
  • Solids: Approximately 80%
  • Weight per Gallon: 16.7 ± 0.5
  • Specific Gravity: 2.0 ± 0.5
  • Service Temperature: 0º to 160ºF
  • Temperature Application Range: 40ºF to 95ºF and substrate not hotter than 120ºF.
  • Freeze Thaw Stability
  • Flash Point: None
  • Shelf Life: 12 months when stored at 50ºF to 80ºF
  • Coverage: 10.1 fl oz: 54 linear ft. at a 3/16” bead
  • Odor: Mild Acrylic
  • Tooling Time: 10 to 15 Minutes
  • Tack Free Time: 60 Minutes


  • Interior
  • Exterior