Talk to our Team:0161 870 6350sales@safetysignhub.co.uk
4.9/5Reviews
Request QuoteTrade Account
SafetySignHub - GTSE Brand
WelcomeSign In / Register
Safety Signs
Fire Safety
Fire Exit SignsFire Door SignsFire Action SignsFire Alarm SignsFire Equipment SignsFire Extinguisher Signs
Warning & Hazard
Electrical Hazard SignsChemical & Biohazard SignsFlammable & Explosive SignsMachinery Hazard SignsVehicle Hazard SignsSlips Trips & Falls SignsHot Surface Warning SignsOverhead Hazard SignsCCTV & Security Signs
Mandatory Signs
PPE SignsHead Protection SignsEye & Ear Protection SignsHand & Foot Protection SignsHigh Visibility Clothing SignsSafety Equipment Must Be WornHygiene & Cleaning Signs
Prohibition Signs
No Smoking SignsNo Entry / Access SignsNo Mobile Phones SignsNo Parking SignsForklift Prohibition SignsPedestrian Prohibition SignsMachinery Prohibition Signs
Emergency & First Aid
First Aid SignsEmergency Equipment SignsAssembly Point Signs
Information & Wayfinding
Directional SignsToilet & Washroom SignsAccessibility SignsFloor Level IndicatorsEntrance & Exit SignsReception & Meeting Room SignsFacility Symbols
View All Safety Signs
Traffic & Parking
Road & Traffic
Road Traffic SignsSpeed Limit SignsDirectional Arrow SignsGive Way SignsReflective Road Signs
Car Park Management
Private Property SignsLoading Bay SignsPedestrian Crossing SignsCar Park Management Signs
View All Traffic & Parking
Custom Signs & Packs
Custom Signs
Design Your Own SignsWrite Your Own SignsCustom Engraved Signs
Safety Packs
Workplace Safety Starter PacksConstruction Site Starter PacksWarehouse Safety PacksGood To Go Kits
View All Custom Signs & Packs
Shop by Industry

Shop by Industry

Construction
Warehouses & Distribution
Food & Catering
Healthcare & Medical
Offices & Corporate
Education & Schools
Manufacturing & Industrial
Marine & Offshore
View All Industries
Accessories
Fixings & Mounting
Adhesive Pads & FixingsMagnetic Frames & Holders
View All Accessories
Resources & Guides
Buying Guides

What signs you need & where

Legislation Library

UK safety sign legislation

Knowledge Base

Regulations & standards

Sign Compliance Checklist

Ensure your site meets requirements

View All Resources
HSE & BSI Compliant
Free Delivery over £75 ex. VAT
Custom Signs Available
UK Made (Standard Signs)
Bulk pricing
Mandatory Signs
Head Protection Signs
Safety Helmet Must Be Worn - A4 Rigid Plastic - Safety Sign
Product image
Free delivery over £75
Made in Britain

Safety Helmet Must Be Worn - A4 Rigid Plastic - Safety Sign

Delivery from 1 working day
  • Compliance Assured: Designed to meet the requirements for mandatory safety signs, ensuring your site is compliant with UK health and safety standards.
  • High-Impact Visuals: The clear pictogram and bold lettering are instantly recognisable, effectively communicating your safety policy.
  • Simple Mounting Options: The 1mm rigid plastic can be drilled for a secure screw-based fit or affixed with a suitable adhesive, making installation quick and hassle-free.
  • Adaptable & Resilient: The shatterproof PVC material is well-suited for a variety of environments, including indoor settings and sheltered outdoor zones.
  • Lightweight Design: Easy to handle and position, allowing for efficient deployment across your entire facility or site.

Minimise the risk of head injuries and ensure full compliance with on-site safety regulations using this clear A4 'Safety Helmet Must Be Worn' sign. This mandatory sign serves as a critical advisory notice, instructing all personnel to wear appropriate head protection before entering a hazardous area. Proper signage is a cornerstone of risk reduction, helping to prevent accidents and ensure your safety procedures are clearly understood by everyone on site.

Mandatory Safety Sign Key Features

  • Compliance Assured: Designed to meet the requirements for mandatory safety signs, ensuring your site is compliant with UK health and safety standards.
  • High-Impact Visuals: The clear pictogram and bold lettering are instantly recognisable, effectively communicating your safety policy.
  • Simple Mounting Options: The 1mm rigid plastic can be drilled for a secure screw-based fit or affixed with a suitable adhesive, making installation quick and hassle-free.
  • Adaptable & Resilient: The shatterproof PVC material is well-suited for a variety of environments, including indoor settings and sheltered outdoor zones.
  • Lightweight Design: Easy to handle and position, allowing for efficient deployment across your entire facility or site.

A4 Safety Sign Specifications

SizeA4 (297mm x 210mm)
Material OptionsRigid Plastic

Common Head Protection Sign Applications

  • Site entrances and access points
  • Quarries and mining operations
  • Scaffolding and areas with overhead work
  • Utility and infrastructure maintenance zones

Available Materials

Rigid Plastic

Our 1mm rigid PVC is a durable, shatterproof material that offers a great balance of resilience and low weight. It is suitable for both indoor use and outdoor areas that are sheltered from the harshest weather. The material is easy to drill and can be mounted using screws or strong double-sided tape.

A reliable choice for clear, compliant safety messaging in any workplace.

Related products

Shop all
Eye Protection Must Be Worn - A4 Rigid Plastic - Safety Sign£12.14Ex. VAT
View product
Protective Footwear Must Be Worn - A4 Rigid Plastic - Safety Sign£12.14Ex. VAT
View product
Safety Helmet Must Be Worn - A4 Self Adhesive Vinyl - Safety Sign£7.23Ex. VAT
View product
Safety Helmets And Safety Footwear Must Be Worn - Safety Sign£2.95 – £50.21Ex. VAT
View product
Safety Helmets Must Be Worn In This Area - Safety Sign£2.95 – £22.93Ex. VAT
View product

Helpful Resources

Buying Guides

Construction Site SignsHotel Fire Safety SignsOffice Safety Signs
View All Guides

Compliance Checklist

Answer simple yes/no questions to identify exactly which signs you need.

Fire exits marked?
First aid visible?
PPE signs present?
Start Free Audit

Knowledge Base

Mandatory Signs (Blue Circle Signs): PPE and Action RequirementsHSE Guidance on Safety Signs: What You Need to KnowSafety Signs FAQ: Common Questions Answered
Browse Articles

Legislation Library

UK safety signage regulations explained in plain English.

Safety Signs Regulations 1996Fire Safety Order 2005
Browse Legislation
SafetySignHub - GTSE BrandISO 9001 Certified

The leading provider of industrial safety signage and equipment. Dedicated to keeping your workplace safe, compliant, and productive.

Shop

  • Warning Signs
  • Prohibition Signs
  • Mandatory Signs
  • Safe Condition Signs
  • Fire Safety Signs

Support & Company

  • About Us
  • FAQs
  • Knowledge
  • Contact Us
  • Delivery & Returns
  • Trade Enquiries
  • Privacy Policy
  • Terms & Conditions

Contact

  • 0161 870 6350
    Mon-Fri 9am-5.30pm GMT
  • sales@safetysignhub.co.uk
  • SafetySignHub | WeWork - Dalton Place
    29 John Dalton St
    Manchester
    M2 6DS
  • © 2025 Safety Sign Hub - A GTSE Brand. All rights reserved. Operated by Gocableties Ltd (GTSE) | Company No. 09162871

    American ExpressMastercardPayPalVisaAmazon PayApple PayGoogle Pay
    £12.14Ex. VAT
    Multi-buy savings available
    £12.14Ex. VAT

    Express Delivery: Same working day dispatch on orders before 3pm. Shipped and tracked by Fedex courier.

    Multi-Buy Savings