Door Signs | McMaster-Carr

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Authorized Personnel Only

Caution—Acid Be Careful/Precaucion—Acido Tenga Cuidado

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1,653 Products

About Accident Prevention Signs

Restricted Area Signs

Clearly define dangerous areas such as construction zones and welding areas to restrict access to only authorized personnel.

Illustrated Restricted Area Signs

The illustrations on these signs help workers identify restricted areas at a glance.

Made-to-Order Accident Prevention Signs

Specify the printed message you'd like to appear under the header.

Hazardous Material Signs

Alert workers to the presence of chemicals, combustible liquids and gases, and other hazardous materials.

Illustrated Hazardous Material Signs

The illustrations on these signs help workers identify hazards at a glance.

Made-to-Order California Proposition 65 Signs

Specify the exact chemical and source of exposure to be printed on these signs.

Write-On Accident Prevention Signs

Write a message in the blank space below the header using a permanent marker or adhesive-back characters.

Machine and Equipment Operation Signs

Communicate dangers to workers near moving equipment that could cause injury.

Electrical Hazard Signs

Notify workers of electrical hazards such as arc flashes, buried cable, and high-voltage equipment.

Illustrated Electrical Hazard Signs

The illustrations on these signs help you identify electrical hazards at a glance.

Vehicle and Shipping Dock Signs

Warn against forklift traffic, mark pedestrian crossings, and provide safety reminders to drivers.

Reversed-Message Vehicle
and Shipping Dock Signs

These signs can be read when viewed in a rearview mirror.

Personal Protective Equipment Signs

Designate areas that require personal protective equipment such as safety glasses and earmuffs.

Slip and Fall Prevention Signs

Help prevent accidents in areas with slippery floors, tripping hazards, or low headroom.

Confined Space Signs

Identify confined spaces that require authorized permit-only entry.

Lockout Signs

Remind your team to lock out machines during maintenance work to avoid accidental startups.

Department and Location Signs

Department and Room Signs

Clearly mark areas of your facility with these signs.

Write-On Department and Room Signs

Provide receiving and shipping hours in the blank spaces.

Engraved Department and Room Signs

Engraved letters and beveled edges provide a polished look.

ADA-Compliant Department and Room Signs

Compliant with ADA regulations for the visually impaired, these signs clearly label various areas throughout an office.

Number and Letter Signs

Identify and organize aisles, work areas, and entrances with large, easy-to-read numbers and letters.

Restroom Signs

Label restrooms in your facility.

Flange-Mount Restroom Signs

These signs project from the wall so the same message is viewable from multiple angles.

ADA-Compliant Restroom Signs

These signs meet federal regulations for the visually impaired and help comply with the Americans with Disabilities Act (ADA) when installed properly.

Engraved Restroom Signs

Engraved letters and beveled edges provide a polished look.

Directional Department and Room Signs

Point the way to department entrances.

Write-On Directional Department and Room Signs

Label a department or location in the blank space under the arrow.

Glow-in-the-Dark Emergency Shelter Signs

Expose these signs to ambient light and they stay visible in the dark.

Emergency Shelter Signs

Mark shelter locations for hazardous weather conditions.

Made-to-Order Signs

Specify the message you'd like printed on your sign.

Engraved Made-to-Order Signs

Engraved letters and beveled edges provide a polished look.

Security and Admittance Signs

Mark entrances, employee-only work areas, and no-trespassing zones.

Engraved Security and Admittance Signs

Engraved letters and beveled edges provide a polished look.

Concealed Carry Signs

Communicate your policy regarding the possession and use of firearms on a work site.

Security and Admittance Floor Decals

These large decals have a pebbled nonskid surface and an adhesive backing that adheres to most surfaces.

Accessibility Signs

Designate entrances and areas that are accessible.

Blank Signs

Fill in the blank with your own custom warnings, labels, and messages. You can write on these signs with markers, add color with paint, or stick on adhesive-back characters. Many even work with printers.

Plastic Color-Contrasting Engraving Signs

Plastic signs can be used outdoors.

Metal Color-Contrasting Engraving Signs

Metal signs are more durable than plastic signs.

Flange-Mount Blank Signs

Mount these signs perpendicular to the wall to view the same message on each side.

Cut-to-Length Blank Signs

Unroll the length you need and cut with scissors.

Exit Signs

Identify the location of exits throughout a facility.

Flange-Mount Exit Signs

Mount these signs perpendicular to the wall to view the same message on each side.

Engraved Exit Signs

Engraved letters and beveled edges provide a polished look.

ADA-Compliant Exit Signs

These signs meet federal regulations for the visually impaired and help comply with the Americans with Disabilities Act (ADA) when installed properly.

Glow-in-the-Dark Exit Signs

No electricity or batteries needed—expose these signs to ambient light and they stay visible in the dark.

Flange-Mount Glow-in-the-Dark Exit Signs

Mount these signs perpendicular to the wall to view the same message on each side.

Multi-Mount Glow-in-the-Dark Exit Signs

Use the included bracket to mount these signs perpendicular to a wall or ceiling. They meet UL 924 regulations for visibility.

Washdown Backlit Exit Signs

These signs are rated NEMA 4X for corrosion resistance and washdown environments.

Backlit Exit Signs

These signs are lit from within for high visibility. They meet UL 924 regulations for visibility.

Backlit Exit Signs with Emergency Lights

Illuminate exits during power failures and other emergencies—these signs have battery-powered emergency lights. The backlit message meets UL 924 regulations for visibility.

Hazardous Location Exit Signs

Rated NEC Classes I and II, these exit signs are safe to use in areas with flammable or combustible gases, vapors, and dust. Their housing is designed to contain any fire and sparks, so they don’t ignite what’s in your environment.

Motivation and Cleaning Signs

Hand-Washing Signs

Remind employees to wash hands before returning to work.

Crane Hand-Signal Signs

Communicate hand signals for directing crane operation.

Smoking Control Signs

Engraved Smoking Control Signs

Engraved letters and beveled edges provide a polished look.

ADA-Compliant Smoking Control Signs

These signs meet federal regulations for the visually impaired and help comply with the Americans with Disabilities Act (ADA) when installed properly.

Traffic Control and Vehicle Signs

Traffic Control Signs

Guide pedestrian and vehicle traffic.

Parking Signs

Make parking restrictions clear to drivers.

Sign Holders

Sign Holders with Adhesive-Back Bracket

Stick the adhesive-back bracket to smooth, flat surfaces such as doors, walls, and windows.

Sign Holders

Mount these holders with tape or adhesive.

Sign Holders with Mounting Holes

Fasten these holders to a surface with screws or nails.

Sign Holders with Mounting Hooks

Hooks on the back of these holders allow you to hang them on a nail or screw.

Sign Holders with Suction Cups

Suction cups allow you to mount these holders to glass and other smooth surfaces.

Safety Frame Sign Holders

Draw attention to important signs—these holders have a bright border.

Evacuation Map Holders

Identify evacuation routes at a glance. Expose these map holders to ambient light and they stay visible in the dark.

Slide-In Framed Sign Holders

Slide a sign into the side of these holders.

Snap-Close Framed Sign Holders

Insert a sign, then snap the sides closed.

Locking Framed Sign Holders

Lock the frame to protect your signs from tampering.

Color-Coded Hanging Flexible Sign Holders

Organize your signs and documents by color.

Hanging Flexible Sign Holders

Also known as document protectors, these holders have a hole at the top for hanging.

Flexible Sign Holders

Adhere these holders to a clean, dry surface.

Grip-Style Flange-Mount Sign Holders

Display a sign even when mounting space is limited. These small holders flex to absorb bumps and have teeth to grip material.

Sleeve-Style Flange-Mount Sign Holders

The sleeve protects signs and allows you to swap material in and out.

Labels

Door Labels

Mark doors with clear instructions or information.

Restroom Labels

Alert restroom users to safe hygiene practices and stalls that are out of order.

Barrier Post Labels

Stick these labels onto barrier posts to point out hazards or restricted areas.

About Accident Prevention Signs

Accident Prevention Signs

Restricted Area Signs

Illustrated Restricted Area Signs

Made-to-Order Accident Prevention Signs

Hazardous Material Signs

Illustrated Hazardous Material Signs

Made-to-Order California Proposition 65 Signs

Write-On Accident Prevention Signs

Machine and Equipment Operation Signs

Electrical Hazard Signs

Illustrated Electrical Hazard Signs

Vehicle and Shipping Dock Signs

Reversed-Message Vehicleand Shipping Dock Signs

Personal Protective Equipment Signs

Slip and Fall Prevention Signs

Confined Space Signs

Lockout Signs

Department and Location Signs

Department and Room Signs

Write-On Department and Room Signs

Engraved Department and Room Signs

ADA-Compliant Department and Room Signs

Number and Letter Signs

Restroom Signs

Flange-Mount Restroom Signs

ADA-Compliant Restroom Signs

Engraved Restroom Signs

Directional Department and Room Signs

Write-On Directional Department and Room Signs

Glow-in-the-Dark Emergency Shelter Signs