Substation Reliability Experts, Inc.            
Exclusive Provider of IsoMod® Technology


Related Links

Contact Us Training Services    





Cable Penetration Seals

Additional Information

(Contact us to receive information in hardcopy form.)


Cables located in the plant present a risk for room to room fire, smoke, and gas transfer.


SRE Solution:
Cable Penetration Seals
provide protection against fire and smoke seeping through floor/wall openings.  SRE offers a library of seal design options to suit your substation needs.



    Sealant Degradation     No Seal Installed       Unqualified Design        Combustible Material




*prevents fire and smoke from seeping through floor opening


SRE Advantages:

  • Material allows for future cable pull. Designed fire protection system is then easily re-installed

  • Before and after matrix aid in proper system selection.  Also provides visual to compare completed work insuring correct installation.

  • Design drawings are assembled allowing each step of the process is able to be understood by novice installer.  Following each step in sequence insures a fire protection installation  will function in a fire/smoke event.

  • Ability for corrective maintenance to be performed 10, 20, even 30 years from now.

  • Option for systems to be installed by SRE's trained and certified installers. Or SRE supervision is provided.

  • In most cases, able to install while the unit is live

  • Ability to accomodate openings up to 6'' in diameter.

  • Three hour fire rating.


Material(s) Description:

FS-One Firestop Caulk

FS-657 Fire Block

CP643N Firestop Collar

*one or more depending on design







                                                  Substation Reliability Experts, Inc. 
   2175 Dunavant Street Charlotte, NC 28203      Office: (704) 377-2991      Fax: (704) 377-2950