This Door Must Be Kept Shut When Not In Use mandatory safety sign
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This Door Must Be Kept Shut When Not In Use Door Sign

Ensure clear instruction and improved safety compliance with this This Door Must Be Kept Shut When Not In Use Sign designed for workplace and public environments.

• Clearly instructs that doors must remain shut when not in use

• Suitable for commercial buildings, warehouses, schools, and public premises

• Bold white text on a blue background ensures high visibility and readability

• Available in durable self adhesive and rigid plastic material options

• Helps support safety, security, temperature control, and noise reduction

  • 100mm x 100mm
  • Extra Glow in the Dark Self Adhesive (Class C)
  • Extra Glow in the Dark Rigid Plastic (Class C)
  • Rigid Plastic (1mm)
  • Self Adhesive Vinyl

£0.78 VAT excluded

£0.78 VAT excluded

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  • Product Overview

    This Door Must Be Kept Shut When Not In Use Sign provides a clear mandatory instruction to ensure doors remain closed except during active use. Featuring bold white text on a blue circular background, this sign helps reinforce safety procedures, maintain security, reduce noise transfer, and support temperature control in commercial, industrial, and public environments.

    Where to Use

    • Commercial buildings
    • Industrial facilities
    • Schools and colleges
    • Hospitals and healthcare settings
    • Public access areas

    Key Features

    • Clear mandatory safety message
    • Bold high-contrast text for easy visibility
    • Helps reinforce workplace procedures
    • Suitable for indoor professional environments
    • Supports safety and operational control

    Materials & Options

    • Extra Glow in the Dark Self Adhesive (Class C)
    • Extra Glow in the Dark Rigid Plastic (Class C)
    • Rigid Plastic (1mm)
    • Self Adhesive Vinyl

    Compliance

    This sign supports compliance with UK health and safety regulations, including:

    • Health and Safety at Work etc. Act 1974
    • Safety Signs and Signals Regulations 1996

    Frequently Asked Questions

    Where should this sign be installed?
    This sign should be installed on or near doors that must remain closed when not actively in use.

    Is this sign suitable for outdoor use?
    Material suitability depends on the selected option, with rigid plastic materials offering durable long-term performance.

    What does this sign indicate?
    This sign indicates that the door must remain shut except during periods of active use.

    MAD.15G-SA

    Trade Discounts

    Rainbow Safety supplies safety signs to trade professionals across the UK.

    Our trade customers include:

    • Fire safety service companies
    • Fire risk assessors and safety consultants
    • Electrical wholesalers
    • Facilities management companies

    Approved trade customers receive:

    • Preferential trade discounts
    • Better margins for reselling safety signs
    • Marketing support to help you sell more signs
    • Access to our full range of safety signs
    Trade Customer Success Story
    “Working with Rainbow Safety has transformed our safety sign sales.”
    Before partnering with Rainbow Safety, our safety sign sales were less than £300 per month.
    With the support and marketing tools provided, our sales have grown to over £3,000 per month.

    Fire extinguisher servicing margins are not what they used to be, so supplying safety signs has become a valuable additional revenue stream for our business. On one warehouse safety survey alone we £5,100 in a single order.

    Previously we were regularly asked to supply safety signs but couldn’t compete with internet prices while maintaining healthy margins. Working with rainbowsafety.co.uk.
    Apply for Trade Discounts
    ✓ Quick Approval   •   No Obligation

    Loyalty Rewards

    Rainbow Safety rewards regular customers across the UK who order safety signs on an ongoing basis.

    Examples of our loyalty customers include:
    • Schools and colleges
    • Facilities management companies
    • Contractors and maintenance teams
    • Offices and commercial premises
    Regular Customer Benefits:
    • Preferential pricing for regular customers
    • Free design service for custom safety signs
    • Access to exclusive promotional offers
    • Dedicated account manager if required
    Loyalty Customer Success Story

    “Rainbow Safety has become our go-to supplier for safety signs.”

    We regularly need safety signs for maintenance work, refurbishments and ongoing compliance updates. Since ordering from Rainbow Safety, the process has been straightforward, reliable and cost-effective.

    The loyalty rewards and special offers have helped us save money across repeat orders, while the wide product range means we can usually source everything we need in one place.

    Fast ordering, consistent quality and ongoing rewards have made Rainbow Safety a valuable supplier for our business.

    ✓ Quick Approval   •   No Obligation

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