Warning Concealed Entrance Sign
Warn people of hidden or concealed entrances with this Warning Concealed Entrance Sign.
• Alerts people to concealed entrance hazards that may not be immediately visible
• Suitable for construction sites, industrial areas and restricted access points
• Bold yellow and black design ensures maximum visibility and clarity
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl, and Recyclable Correx ® (4mm)
• Helps improve awareness of hidden entrances and reduce the risk of accidents
Product Overview
The Warning Concealed Entrance Sign provides a clear visual warning of hidden or concealed entrances that may not be immediately obvious. Featuring a bold yellow and black warning design with a recognised hazard symbol, it helps alert drivers, pedestrians and site visitors to exercise caution when approaching areas where vehicles or people may emerge unexpectedly.
Where to Use
- Construction sites
- Industrial areas
- Restricted access points
- Warehouse entrances
- Service roads and vehicle exits
Key Features
- High-visibility yellow and black warning design
- Recognised warning symbol for immediate hazard awareness
- Clear and easy-to-read safety message
- Suitable for indoor and outdoor use
- Helps improve awareness of concealed entrance hazards
Materials & Options
- Rigid Plastic (1mm)
- Rigid Plastic (2mm)
- Self Adhesive Vinyl
- Recyclable Correx ® (4mm)
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?
Install it near concealed entrances, hidden vehicle exits, site access points and any location where approaching traffic or pedestrians may not have a clear line of sight.
Is this sign suitable for outdoor use?
Yes, when produced in the appropriate material option it is suitable for both indoor and outdoor environments.
What does this sign indicate?
It warns that a concealed entrance is ahead, reminding drivers and pedestrians to proceed with caution due to limited visibility and potential crossing traffic.
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
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.
Loyalty Rewards
Rainbow Safety rewards regular customers across the UK who order safety signs on an ongoing basis.
- Schools and colleges
- Facilities management companies
- Contractors and maintenance teams
- Offices and commercial premises
- Preferential pricing for regular customers
- Free design service for custom safety signs
- Access to exclusive promotional offers
- Dedicated account manager if required
“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.
Reviews
Mounted the plastic sign with cable ties onto the fencing beside a concealed driveway. Clear message and it’s stood up well in damp weather. Does the job plainly and well.
Stuck the vinyl onto a hoarding near a hidden drive. Held firm despite dust and mud, and catches the eye exactly when needed. Made the hidden entrance much safer.
Used the Correx board for a temporary site exit. Lightweight and simple to shift as the access point moved. Still plenty visible even when wet—proper warning sign.
The rigid plastic version was perfect on a narrow farm access road. It’s bold, hasn’t faded in the sun, and definitely catches drivers’ attention. Feels sturdy and reliable.



