Firestop Penetration Systems

Professional Firestop Installation in Fargo, ND


Firestop penetration systems are a critical component of building safety and fire protection. At Dakota Fire Stop, we specialize in the installation of professional firestop penetration systems designed to seal openings in fire-rated walls and floors caused by mechanical, electrical, and plumbing systems. These systems are essential for maintaining the fire-resistance rating of building assemblies and preventing the spread of fire and smoke.



Based in Fargo, North Dakota, Dakota Fire Stop works with commercial contractors and construction professionals throughout North Dakota, Minnesota, and the surrounding region to ensure buildings remain protected and code compliant.

What Are Firestop Penetration Systems?

During construction, pipes, cables, conduit, and ductwork must pass through fire-rated walls, floors, and ceilings. These openings, known as penetrations, can create pathways that allow fire, smoke, and toxic gases to travel quickly through a building.


Firestop penetration systems are designed to seal these openings with specialized materials that expand or resist heat during a fire. When installed correctly, these systems restore the fire resistance rating of the wall or floor and help contain fire within a specific compartment of the building.


Properly installed penetration firestopping helps:

  • Slow the spread of flames and smoke
  • Maintain the fire rating of walls and floors
  • Improve building safety
  • Protect occupants and property
  • Meet local and national building code requirements


At Dakota Fire Stop, our team installs tested firestop systems designed to perform under extreme conditions and maintain the integrity of fire-rated assemblies.

Types of Penetrations We Seal

Dakota Fire Stop installs firestop penetration systems for a wide variety of building services and utilities. Each penetration requires the correct firestop system based on the type of material passing through the assembly and the size of the opening. Our team regularly installs firestop systems for:

Electrical Penetrations

Electrical systems often pass through fire-rated assemblies using conduit, cable bundles, or junction boxes. These penetrations must be sealed properly to prevent fire from spreading between building compartments.



Common electrical penetrations include:

  • Electrical conduit
  • Cable trays
  • Data and communication cables
  • Fiber optic cables
  • Electrical boxes and raceways

Plumbing Penetrations

Plumbing pipes frequently pass through floors and walls throughout a building. Many plumbing materials can melt during a fire, creating large openings that allow flames to spread. Firestop systems are designed to prevent this from happening.


Typical plumbing penetrations include:

  • PVC piping
  • CPVC piping
  • Copper piping
  • Cast iron piping
  • Drain and waste lines

HVAC and Mechanical Penetrations

Heating, ventilation, and air conditioning systems often require large openings in walls and floors for ductwork and mechanical systems. These penetrations must be sealed to prevent smoke and fire from spreading through mechanical pathways.


Mechanical penetrations may include:

  • Ductwork
  • Refrigerant piping
  • Mechanical piping systems
  • Insulated piping systems

Mixed Penetrations

Many openings contain multiple utilities such as electrical cables, plumbing pipes, and conduit passing through the same location. These complex penetrations require carefully designed firestop systems that properly seal all materials within the opening.



Dakota Fire Stop has experience installing firestop systems for these challenging applications while maintaining compliance with tested firestop assemblies.

Code Compliance and Safety

Firestop penetration systems must meet strict building codes and safety regulations. When fire-rated assemblies are penetrated, they must be restored to their original fire resistance rating using tested and approved firestop systems. Dakota Fire Stop installs penetration firestopping according to manufacturer specifications and tested assemblies to ensure compliance with fire safety standards. Our work helps contractors and building owners meet important code requirements while maintaining the safety of the structure and its occupants.

Firestop Materials and Systems

Firestop penetration systems use a variety of specialized materials designed to perform under high temperatures during a fire. The type of material used depends on the size of the penetration, the type of materials passing through it, and the required fire rating.


Common firestop materials include:

  • Firestop sealants
  • Firestop collars
  • Firestop putty and wrap strips
  • Intumescent sealants and devices
  • Firestop pillows and blocks
  • Fire-rated mortars and compounds


These products are designed to expand, seal, or resist fire when exposed to high heat, helping to prevent the spread of flames and smoke through building penetrations.

Firestop Solutions for Commercial Construction

Dakota Fire Stop provides penetration firestopping for a wide range of commercial construction projects. Our team works closely with contractors and project managers to coordinate installation and keep projects on schedule.


We provide firestop penetration systems for projects such as:

  • Office buildings
  • Hospitals and healthcare facilities
  • Schools and universities
  • Multi-family housing developments
  • Industrial facilities
  • Retail centers
  • Government buildings
  • Hotels and hospitality properties


No matter the size or complexity of the project, Dakota Fire Stop is committed to delivering reliable fire protection systems that meet the highest standards of safety and performance.

Why Choose Dakota Fire Stop?

Dakota Fire Stop is focused on delivering dependable firestop installation services that contractors and project managers can rely on.

Specialized Expertise

Our company focuses specifically on firestop and fireproofing systems, allowing us to provide knowledgeable installation for a wide variety of penetration types.

Commitment to Safety

Our work helps protect buildings, occupants, and property by preventing the spread of fire and smoke.

Reliable Service

Construction schedules depend on reliable partners. Dakota Fire Stop works efficiently to keep projects moving forward.

Precision Installation

Firestop systems must be installed correctly to function as designed. Our team pays close attention to detail to ensure every penetration is sealed properly.

Dakota Fire Stop

1820 Sheyenne Loop Unit 8, Fargo, ND 58102


We frequently serve projects in:

  • Fargo, ND
  • West Fargo, ND
  • Moorhead, MN
  • Grand Forks, ND
  • Bismarck, ND
  • Detroit Lakes, MN
  • And surrounding communities

Serving Fargo and the Surrounding Region

Dakota Fire Stop proudly provides firestop penetration system installation for construction projects throughout North Dakota and Minnesota.


If your project requires professional firestop penetration systems, our team is ready to help.

Request a Quote

Properly installed firestop penetration systems are essential for protecting buildings and meeting fire safety codes. Dakota Fire Stop provides reliable firestop installation services for commercial construction projects of all sizes. Contact Dakota Fire Stop today to learn more about our firestop penetration services or request a quote for your next project.

Get a Quote