Firestop
Compartmentation

What is Firestop 
Compartmentation?

Firestop compartmentation is the practice of sealing openings and joints in fire-rated walls and floors so fire, smoke, and toxic gases are contained to the area of origin. When mechanical/electrical, plumbing, and communications systems pass through rated assemblies, the integrity of that rating must be restored using tested firestop systems.

Why it Matters?

3

Life Safety

Limits fire/smoke spread across rated assemblies

4

Code + Risk Reduction

Supports AHJ inspections and reduces rework

2

Project Clarity

Labeled systems + documented installs for closeout

Our Firestop 
Services

From planning to punch-list, we deliver firestop that’s coordinated, installed correctly, and ready for inspection.

Scope review + coordination with trades (MEP, GC, owner reps)

System selection support (tested systems appropriate to the condition)

Installation of firestop systems for penetrations and joints

Identification + labeling to match approved systems

Photo documentation + reporting for closeout packages

Punch-list response and repair of compromised firestop conditions

Protect lives and property with code-compliant firestopping that maintains fire and smoke-rated assemblies—installed, labeled, and documented by trained professionals.

Send drawings or schedule a site walk. We’ll help confirm scope and documentation needs.

FAQ

Firestopping seals openings/joints to maintain rated assemblies; fireproofing protects structural elements to achieve a rating.

Yes—conditions are matched to tested systems and installed accordingly.

We label systems and provide documentation (photos/logs) aligned to project needs for easier verification.

Yes—retrofit and maintenance scopes are common, especially after MEP changes.

Drawings/specs if available, location, building type, timeline, and access constraints; site walk helps for retrofit.