Barriers | McMaster-Carr

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23,440 Products

Safety Equipment

Guardrails

Protect pedestrian walkways from vehicles

Retractable Belt Barriers

Retractable Belt Barriers

Stretch belts between walls, racks, posts, and cones to restrict access to areas

Safety Rails

Protect people on platforms, loading docks, and elevated walkways

Chain Barriers

Hook chain onto posts to restrict access to areas

Bollards

Anchor to the ground or floor to block vehicle access

Barricades

Panel, rail, cone-mount, barrel, and water-fill barricades

Retractable Gates

Retractable Gates

Prevent access to an area and then collapse for easy transport and storage

Fold-Up Railings

Fold-Up Railings

Create a temporary barrier around hazards such as open manholes

Mezzanine Gates

Mezzanine Gates

Protect workers from falls when transferring pallets to elevated work areas

Safety Gates

Swing closed behind you for easy entrance and exit

Pennants

Call attention to repair, maintenance, and construction work sites with colorful flags

Roof Hatch Railings

Roof Hatch Railings

Attach handrails to a roof hatch

Traffic Posts

Taller than cones to divide lanes of traffic and form barriers

Traffic Cones

Alert drivers and pedestrians to hazards, obstructions, and restricted areas

Handrails

Grab while using stairs to reduce risk of falls

Parking Gate Arms

Parking Gate Arms

Replace arms on motor-powered gates

Barrier Tape

Stretch around hazards and work areas to temporarily restrict access

Barrier Tape Dispensers

Barrier Tape Dispensers

Hold and dispense barrier tape

Parking Curbs

Designate parking spaces and block drivers from pulling too far into a space

Chain Barrier Links

Chain Barrier Links

Split in half and snap back together to securely connect lengths of chain

Machine Guards

Surround equipment to prevent injury to workers and damage to machines

Chip Guards

Deflect flying chips while machining to protect people and equipment

Bearing Guards

Shield bearings from dirt, and protect fingers and tools from moving parts

Protective Screens

Protective Screens

Set up to protect against dust, weld spatter, heat, and splashing liquid

Protective Panels

Protective Panels

Stop the spread of illness without blocking communication

Curtains

Pull shut to protect against dust, weld spatter, heat, and splashing liquid

Heat-Resistant Blankets

Heat-Resistant Blankets

Drape over surfaces or wrap around parts to protect them from flames, sparks, and weld spatter

Welding Pads

Smaller than blankets to prevent heat and flame damage in localized areas

Curtain Partitions

Curtain Partitions

Section off work spaces, locker rooms, and restricted areas

Puller Protection Blankets

Puller Protection Blankets

Wrap around gear and bearing pullers, presses, and other moving equipment to block flying debris

Forklift Cab Covers

Forklift Cab Covers

Shield forklift operators from rain, snow, wind, and dust without blocking their view

Glove Boxes and Bags

Glove Boxes and Bags

Safely handle hazardous or sensitive materials in an enclosed space

Sound Barrier Partitions

Sound Barrier Partitions

Stand in noisy areas to block and reflect sound

Acoustic Insulation

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

Vibration-Damping Sheets

Vibration-Damping Sheets

Stick to duct, housings, and other vibrating equipment to reduce noise

Sound Barrier Sheets

Sound Barrier Sheets

Block and reflect noise to keep it from reaching other parts of your facility

Vibration-Damping Coatings

Vibration-Damping Coatings

Apply to irregularly shaped equipment and large areas to reduce noise from vibration

Spill-Control Berms

Spill-Control Berms

Form a barrier around leaks and spills to stop them from spreading

Flood Gates

Stop flood waters from getting in and damaging your facility

Safety Glasses

Shield your eyes from dirt, sunlight, lasers, and electrical and welding sparks

Respirator Filters

Respirator Filters

Replace the filter in your respirator when breathing becomes difficult

Respirators

Filter particles, hazardous vapors, and other contaminants from the air

Respirator Cartridges

Respirator Cartridges

Replace the cartridge on your respirator when breathing becomes difficult

Face Shields

Protect your face from dirt, chemical splashes, and electrical and welding sparks

Respirator Breathing Tubes

Respirator Breathing Tubes

Deliver clean, breathable air to your hood or helmet respirator

Shoe Covers

Keep shoes clean and dry and avoid contaminating sterile environments

Backhand Pads

Slip over gloves for additional protection against sparks and spatter

Cape Sleeve Bibs

Cape Sleeve Bibs

Snap onto cape sleeves to protect your stomach when welding

Chaps

Shield the front of your legs from cuts, radiant heat, flames, and welding sparks

Safety Goggles

Fully protect your eyes from flying dust and debris or harmful infrared light during welding

Leggings

Protect shins and feet from radiant heat, flames, welding sparks, and molten metal splashes

Hard Hat Shrouds

Hard Hat Shrouds

Protect your neck from heat, sparks, and molten metal splashes

Hard Hats

Protect your head from falling objects

Hard Hat Liners

Hard Hat Liners

Layer under your hard hat for extra warmth

Hard Hat Sun Shields

Hard Hat Sun Shields

Attach to a hard hat to protect your neck and face from the sun's rays

Bump Caps

Guard against minor head bumps and scrapes

Coveralls

Shield your full body against dirt, rain, heat, chemical splashes, and electrical and welding sparks

Cape Sleeves

Protect your arms and chest from heat, flame, and weld spatter

Pants

Insulate your legs from dirt, cold, heat, rain, and electrical and welding sparks

Footwear

Cover and protect feet from impact, chemicals, heat, and cold

Hot Pads

Shield hands or surfaces from hot objects

Arm Pads

Prevent burns while welding

Gloves

Shield your hands from cuts, heat, cold, chemical splashes, and electrical and welding sparks

Hoods

Shield your head and neck from dirt, heat, cold, and electrical and welding sparks

Aprons

Protect your torso from dirt, chemical splashes, and electrical and welding spark

Arm Sleeves

Protect your arms from cuts, sparks, heat, and chemical splashes

Finger Cots

Guard fingers from heat and abrasion, or protect items from contamination

Welding Helmets

Welding Helmets

Guard against scratches and weld spatter better than face shields

Clothing Kits

Prevent arc-flash burns with a hard hat, face shield, safety glasses, and other gear all in one bag

Hair Covers

Catch stray hairs before they contaminate food

Jackets

Thicker than shirts for extra protection against dirt, rain, cold, chemical splashes, and sparks

Shirts

Cover your upper body to guard against cold, heat, welding sparks, and dirt

Vests

Keep workers safe in areas with low visibility, flames, heat, and electrical sparks

Masks

Stop the spread of airborne particles to protect yourself and other people

Bib Overalls

Protect your legs and torso from cold, rain, chemicals, and flames

Glove Storage Bags

Glove Storage Bags

Store gloves and protect them from damage

Ice Cleats

Slip over shoes for traction on icy surfaces

Bicycle Helmets

Bicycle Helmets

A multi-directional impact protection system (MIPS) reduces injury risk

Eye Wash Station Replacement Parts

Eye Wash Station Replacement Parts

Replace eye wash station parts such as spray heads, valves, handles, and bowls

Fire Hydrant Caps

Fire Hydrant Caps

Pair with a hook-style spanner wrench to quickly cover and uncover fire hydrants

Fire Hydrant Plugs

Fire Hydrant Plugs

Pair with a hook-style spanner wrench to quickly seal fire hydrants and washdown equipment

Fire Stops

Prevent fire and smoke from passing through holes in fire-resistant walls and floors

Fire Blankets

Extinguish flames and cool burns

Building and Machinery Hardware

Protective Film

Protective Film

Temporarily adhere to surfaces to protect them from scratches, nicks, and dirt

Column Guards

Prevent damage to columns caused by bumps from vehicles and equipment

Door Strips

Hang from mounting plates to create strip doors, or replace worn strips in an existing door

Strip Doors

Keep hot or cold air in and dust and debris out while allowing people to move through doorways

Strip Door Mounting Plates

Strip Door Mounting Plates

Bolt or press door strips on these plates to create strip doors

Security Gates

Barricade areas without sacrificing visibility and airflow

Insect Screening

Insect Screening

Keep bugs out without blocking airflow

Accordion Doors

Accordion Doors

Slide open without taking up as much floor space as a swinging door

Doors

Everything from single to double to two-way swinging doors

Roll-Up Doors

Roll up and down to secure dock doorways and large openings

Air Curtains

Mount above doorways to block dust, bugs, and fumes with an airstream while allowing people to enter

Door Barricades

Door Barricades

Stop intruders from opening doors in your facility during emergency lockdowns

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Bellows

Prevent dust and debris from damaging moving parts

Joint Covers

Shield rotating joints to keep lubricants in and contaminants out

Weatherstripping

Weatherstripping

Seal gaps around doors, windows, and frames

Privacy Sprays

Block the view through windows by adding a frosted effect

Window Shades

Completely block windows, or dim incoming light without eliminating the view

Window Film

Apply to windows for privacy, insulation, less glare, and a lower chance of shattering

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Protective Caps

Protective Caps

Cover holes at the end of pipe, conduit, and fittings to keep out debris

Door-Track Guards

Door-Track Guards

Protect overhead-door track and dock doors from forklifts and other vehicles

Ceiling Tile Sound Barriers

Ceiling Tile Sound Barriers

Lay over ceiling tiles to block sound

Ceiling Tiles

Create a new drop ceiling that allows access to pipes and wiring

Lockouts

Ensure that machines stay turned off to prevent accidents during maintenance work

Access Panels

Install in ceilings, walls, concrete floors, and tanks to access and inspect inside

Facility and Grounds Maintenance

Chain Link Fencing

Chain Link Fencing

Everything you need to build or repair a chain link fence, from posts to gates

Fence Post Pullers

Fence Post Pullers

Extract fence posts from the ground

Fencing

Metal chicken wire, plastic fencing, fabric erosion-control fencing, and wood drift fencing

Fence Post Drivers

Fence Post Drivers

Pound fence posts into the ground

Barbed Wire

Deter people from entering a fenced-off area

Fence Screens

Attach to a fence to obscure the view

Fence Posts

Secure and hold up fencing

Animal Repellents

Animal Repellents

Ward off animals and pests with spikes, decoys, speakers, and other repellents

Sink Splash Guards

Sink Splash Guards

Surround sinks to shield people and equipment from getting wet

Sink Pipe Covers

Sink Pipe Covers

Prevent burns from hot water pipes

Drain Cleanouts

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

Faucet Hole Covers

Faucet Hole Covers

Close off unused faucet holes intended for soap dispensers and side sprayers

Tarps

Shield equipment from weather, flames, chemicals, and more

Drop Cloths

Cover floors to protect them from spills, splatters, and dirty shoes

Leak Drainage Tarps

Leak Drainage Tarps

Protect work areas and equipment from overhead leaks

Grab Bars

Steady and support people with limited mobility in bathrooms

Plastic Wrap

Tightly seal produce and other fresh food for storage

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Communication

Signs

Everything from accident prevention to traffic control to exit signs

Equipment Markers

Equipment Markers

Mark electrical boxes, fire hydrants, or parking curbs at risk of being hit by vehicles

Barricade Lights

Barricade Lights

Mount to barricades so they're easier to see in low-light conditions

Reflectors

Mark roads and sign posts so they're easier to see in low-light conditions

Sign Holders

Display signs on walls, floors, tables, and other surfaces

Safety Flags

Alert drivers and workers to potential hazards or objects that are obstructed from view

Marking Cones

Designate areas for material identification, inventory control, and pallet staging

Marking Tape

Stick to floors and pavement to outline equipment, make parking spaces, and identify safety zones

Screen Protectors

Screen Protectors

Shield your phone, tablet, or computer screen from smudges and scratches

Monitor Covers

Slip over your monitor to protect it from dust when not in use

Keyboard Covers

Keyboard Covers

Guard keyboards from spills and dust

Printer Covers

Fit over your printer to protect it from dust when not in use

Computer Covers

Computer Covers

Fit over your computer to shield it from dust when not in use

Tamper-Evident Seals

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

Containers, Storage, and Furniture

Partition Panels

Partition Panels

Separate people and workspaces with moveable walls

Wire Partitions

Wire Partitions

Create secure storage and work rooms that you can see into

Temporary Partition Poles

Temporary Partition Poles

Support tarps, drop cloths, and plastic sheeting to create temporary walls that block dust

Clean Rooms

Create a contaminant-free environment to work on electronics and other sensitive equipment

Toilet Partitions

Toilet Partitions

Separate toilets and urinals for privacy

Wall Panels

Build impact-resistant enclosures, windows, and roofs that let light in and keep the elements out

Metal Panels

Close off openings in structures while allowing air to pass through

Mobile Device Cases

Mobile Device Cases

Safeguard mobile devices from damage

Dust Covers

Stretch over drums, pails, and other objects to keep out dust and debris

Stacking Caps and Targets

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

Pallet Bags

Cover large furniture and machinery to keep out dust and moisture

Knife Sheaths

Safely store knives while protecting them from damage

Sealing

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

Raw Materials

Fabric

Use to cover, clean, and insulate objects

Plastic

A lightweight alternative to metal and glass

Leather

Durable and long lasting; often used for belting, lacing, and sealing applications

Wood

Commonly used to build ramps, crates, and prototypes or to make repairs

Aluminum

Lightweight, easy to machine, and corrosion resistant in wet environments

Aramid

Strong, lightweight, and an excellent thermal insulator; also known as Nomex

Felt

Thicker and more absorbent than fabric for insulating, polishing, cushioning, and gasketing

Electrical

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Potting Compounds

Potting Compounds

Encase electronic assemblies in material that hardens to protect from dust, moisture, and vibration

Electrical Enclosure Drains

Electrical Enclosure Drains

Release moisture to keep components dry

Electrical Enclosure Plugs

Electrical Enclosure Plugs

Cover unused holes in enclosures to keep out dust, dirt, and moisture

Wire Sleeving

Bundle wiring and protect from abrasion and heat

Electrical Enclosure Drain Vents

Electrical Enclosure Drain Vents

Prevent moisture from getting trapped inside enclosures while letting air flow through

Electrical Enclosure Vents

Electrical Enclosure Vents

Attach to sealed enclosures so air can flow to equalize temperature and pressure

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

DIN Rail Caps

Guard the edges of DIN rail from damage and create a finished look

Solder Mask

Temporarily shield circuit boards from solder, flux, and high temperatures

Potting Boxes

Fill with potting compound to protect electronic assemblies from dust, moisture, and vibration

Switch Safety Barriers

Switch Safety Barriers

Safely send power to switches and sensors in volatile areas such as refineries and power plants

Sensor Switches

Sensor Switches

Detect moving objects from a distance, triggering a circuit to open or close

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

Safety Switches

Safety Switches

Protect people by cutting power to machines when access doors open; also known as interlock switches

Switch Mounts

Mount sensor switches to panel cutouts, tank walls, or conveyors

Electrical Connector Clips

Electrical Connector Clips

Attach to data connectors to lock them in place, repair them, or color code them

Electrical Connectors and Cords

Electrical Connectors and Cords

Supply power to equipment by combining plugs, sockets, receptacles, and cords

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Data Port Locks

Data Port Locks

Block USB or Ethernet ports from unauthorized use

Capacitor Boots

Capacitor Boots

Shield capacitors and wire connections to extend their service life and reduce accidental shocks

Heating, Ventilation, and Air Conditioning

Pipe Insulation

Pipe Insulation

Fit around pipe, tubing, and tanks to reduce heat loss or condensation

Pipe Insulation Jacketing

Pipe Insulation Jacketing

Guard pipe insulation from impact, moisture, and corrosion

Pipe Insulation Repair Strips

Pipe Insulation Repair Strips

Patch and protect damaged pipe insulation

Pipe Insulation Banding

Pipe Insulation Banding

Strap around pipe insulation to keep it in place

Insulation Fencing

Insulation Fencing

Made of pliable mesh for securing insulation blankets, covers, and jackets

Thermal Insulation Sheets

Thermal Insulation Sheets

Line the walls of furnaces, freezers, ductwork, and buildings to keep heat in or out

Insulation Hanger Studs

Insulation Hanger Studs

Press insulation sheets onto the spike to secure them to walls and other flat surfaces

Spray Foam Insulation

Spray Foam Insulation

Expands to fill in cracks, gaps, and other hollow spaces for a tight seal against drafts and heat

Heat Barriers

Protect equipment and surfaces from damage caused by nearby heat sources

Insulation Fill

Insulation Fill

Blow into walls to fill gaps in existing insulation, or mix as a filler in insulating cement

Air Conditioner Service Valve Caps

Air Conditioner Service Valve Caps

Seal off AC service valves to prevent refrigerant from leaking out

Material Handling

Pallet Load Covers

Pallet Load Covers

Fit over boxes on pallets to shield the tops and edges from strapping gouges and impact

Foam Wrap

Cushion items with less bulk than bubble wrap to protect them while shipping and storing

Heat-Shrink Wrap

Heat-Shrink Wrap

Create a form-fitting barrier around packages to protect them from moisture and dirt

Stretch Wrap

Bundle loads without tape or strapping and shield them from moisture, dirt, and scratches

Bubble Wrap

Air bubbles cushion fragile items better than foam to protect them while shipping and storing

Shipping Box Liners

Shipping Box Liners

Line cardboard boxes to keep the items inside at a consistent temperature

Valve Stem Caps

Valve Stem Caps

Keep dust and debris out of tire valves

Chain

Bind, lift, and tow loads, hang objects, and construct barriers; stronger and heavier than wire rope

Teach Pendant Screen Protectors

Teach Pendant Screen Protectors

Guard teach pendant screens from scratches and liquids without disrupting touch-screen functionality

Ring Links

Bend, hammer, or twist closed to connect chain links and attach fittings

Rope

Tie, bind, and lift objects; lighter weight yet lower capacity than wire rope

Robot Covers

Shield robot arms from dirt and damage

Teach Pendant Cases

Teach Pendant Cases

Protect robot teach pendants from drops, scrapes, and spills to prevent downtime due to damage

Pipe Routing Saddles

Pipe Routing Saddles

Clip to strut channel to cradle insulated tubing and pipe

Work Platform Handrails

Work Platform Handrails

Temporarily guard the sides of flatbeds to protect workers while loading and unloading

Conveyor Guide Mounting Rod Caps

Conveyor Guide Mounting Rod Caps

Cover the ends of conveyor guide mounting rods for a finished look

Conveyor Covers

Conveyor Covers

Protect conveyed material from dust, debris, and other contaminants

Conveyor Roller Gap Covers

Conveyor Roller Gap Covers

Cover the gap between conveyor rollers so items don't fall through or get stuck

Fastening and Joining

Tape

Bind, seal, and mark surfaces

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Retaining Rings

Retaining Rings

Hold components on a shaft

Quick-Release Pin Receptacles

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

Quick-Release Pin Retaining Caps

Quick-Release Pin Retaining Caps

Hold quick-release pins in holes that are oversized or out of round

TIG Torch Insulators

TIG Torch Insulators

Seal between TIG nozzles and torches to stop gas from escaping and protect torch parts from heat

Weld-Backing Tape

Weld-Backing Tape

Stick to the back of welding seams to contain spatter and prevent gases from weakening the weld

Fabricating and Machining

Fixture Plate Plugs

Fixture Plate Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines

Firebrick Repair Coatings

Firebrick Repair Coatings

Renew heat resistance and performance of worn firebrick

Firebricks

Insulate furnaces to minimize heat loss while adding flame resistance

$Refractory Cement$

Refractory Cement

Lay firebricks or set and repair cast iron and steel furnaces, heaters, stoves, and boilers

Fluid Handling

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Heat Sink Compounds

Heat Sink Compounds

Bond heat sinks to surfaces, eliminating air gaps for maximum heat transfer

Thermocouple Connector Covers

Thermocouple Connector Covers

Shield thermocouple connectors from dust and debris

Heating Enclosures

Heating Enclosures

Keep drums and palletized items from freezing at your jobsite

Bore Sealing Plugs

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

Lubricating

Grease Fitting Caps

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

Power Transmission

Shaft Coupling Covers

Shaft Coupling Covers

Shield rigid shaft couplings from dirt, water, and lubricants to extend their life

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)