Marking Flags and Tape

Marking flags and tape provide quick, highly visible identification for temporary alerts and utility marking. Designed for easy placement and removal, these solutions help crews clearly communicate hazards, boundaries and underground activity in active work zones. OSCO Safety marking flags and tape deliver bright, reliable visibility for short-term marking needs across a wide range of applications.

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Why Marking Flags and Tape?

Cathodic protection systems help detect corrosion risks early and ensure underground metal infrastructure remains protected over time.

Visual Marking for Active Worksites

Marking flags and tape offer a simple, effective way to identify underground utilities, work zones and treatment areas. With a wide range of colors and labeling options available, these solutions help quickly communicate purpose, hazards or utility types.

Designed for flexibility, these products can be installed, adjusted and removed with minimal effort as site conditions change.

Features

OSCO Safety marking flags and tape offer:

Plain or pre-printed options
Wide color selection for hazard or utility identification
Custom printing available

Ideal Applications

Marking flags and tape well suited for:

Temporary jobsite markings
Lawn treatments and landscaping
Underground utility alerts
Short-term hazard identification

Added Benefits

In addition to visibility and ease of use, these solutions provide:

Lightweight, compact design
Quick installation and removal
Flexible placement in changing environments
Ideal for short-term use

Orange, white and yellow rolls of marking tape

APWA Color Standards

OSCO offers utility marking flags that follow APWA guidelines:

Red marking flag — **Red**
Electric power lines, cables, conduit and lighting cables

Orange marking flag — **Orange**
Communication, cable TV, alarm or signal lines, cables or conduit

Blue marking flag — **Blue**
Water, irrigation and slurry lines

Green marking flag — **Green**
Sewers and drain lines

Pink marking flag — **Pink**
Temporary survey markings

White marking flag — **White**
Proposed excavation and construction boundaries

Purple marking flag — **Purple**
Reclaimed or non-potable water

Flags can be used with three staff options:

Wire: Sturdy 15.5-gauge steel
PVC Plastic: Solid 1/8", tangle-free
Fiberglass: Non-conductive, semi-rigid, .08" diameter

Fade-resistant flag colors:

Standard: Red, white, orange, blue, green, yellow, brown, silver, purple and clear
Fluorescent: Flo orange, flo pink, flo lime and flo rocket red
Pantone matches available

Flag Sizes*

Wire Staff:  
2.5" x 3.5" (6.4 cm x 8.9 cm) — 11.5"  
4" x 5" (10.2 cm x 12.7 cm) — 15", 18", 21", 24", 30", 36" 
5" x 6" (12.7 cm x 15.2 cm) — 30", 36"

PVC Plastic Staff:  
2.5" x 3.5" (6.4 cm x 8.9 cm) — 11.5"  
4" x 5" (10.2 cm x 12.7 cm) — 18", 24", 27" 
5" x 6" (12.7 cm x 15.2 cm) — 18", 24", 27"

Fiberglass Staff:  
4" x 5" (10.2 cm x 12.7 cm) — 18"

Marking/Flagging Tape

Flagging Tape Rolls: 
1-3/16" x 150 ft or 300 ft
Boxed Flagging Tape: 
1" x 1,000 ft, 4 mil, self-dispensing
Warning/Barricade Tape Rolls: 
3" x 6" x 1,000 ft
Underground Detectable Tape Rolls: 
2", 3" & 5" x 1,000 ft, 5 mil
Underground Non-Detectable Tape Rolls:
1-3/16" x 150 ft or 300 ft

Marking tape rolls in orange, yellow and white color options

Red marking flags on a construction site

Supported by OSCO Expertise

OSCO Safety provides dependable marking solutions designed to support visibility, communication and safety across active worksites and temporary applications.

Ready to Get Started?

Whether you simply need to replace a part or have a major project to start from scratch, our knowledgeable, experienced team is here to help.

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