Warning Construction Site Keep Out Sign
Warning Construction Site Keep Out Sign clearly warns people of construction hazards and instructs unauthorised individuals to stay out of designated work areas.
• Combines a construction site warning with a clear keep out instruction to discourage unauthorised access.
• Ideal for construction sites, renovation projects, perimeter fencing, site entrances and active work zones.
• High-contrast yellow warning and blue mandatory symbols with bold lettering provide clear visibility.
• Available in Aluminium Composite (3mm), Aluminium Composite With Fixing Channel (3mm), Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm).
• Helps reinforce site access restrictions and improve awareness of potentially hazardous construction areas.
Product Overview
The Warning Construction Site Keep Out Sign provides a clear safety warning and access restriction instruction for construction sites and hazardous work areas. Featuring a yellow warning triangle with an exclamation mark, a blue mandatory instruction symbol and bold wording stating "Warning Construction site" and "Keep out", this sign helps alert workers, visitors and members of the public to construction activity and the need to stay outside restricted areas. Its high-contrast yellow, black, blue and white design makes the message easy to recognise at construction site entrances, perimeter fencing and active work zones. By combining a construction hazard warning with a clear keep out instruction, the sign helps reinforce site access controls, discourage unauthorised entry and improve safety awareness around construction activities.
Where to Use
- Construction site entrances and access gates
- Perimeter fencing and site boundary barriers
- Building and renovation project locations
- Demolition and active construction work areas
- Restricted work zones where unauthorised access must be prevented
Key Features
- Clear Warning Construction Site and Keep Out safety messages
- Recognisable yellow warning triangle with black exclamation mark
- Blue mandatory instruction symbol reinforcing the keep out message
- High-contrast yellow, black, blue and white design for strong visibility
- Combines construction hazard awareness and access restriction instructions on one sign
Materials & Options
- Aluminium Composite (3mm)
- Aluminium Composite With Fixing Channel (3mm)
- 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?
Position the sign at construction site entrances, access gates, perimeter fencing, temporary barriers or other locations where people must be warned about construction activities and instructed to keep out. Ensure it is clearly visible before anyone approaches the restricted area.
Is this sign suitable for outdoor use?
The sign is available in Aluminium Composite (3mm), Aluminium Composite With Fixing Channel (3mm), Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm). Outdoor suitability depends on the selected material, fixing method and installation conditions.
What does this sign indicate?
The sign warns that construction work is taking place and instructs people to keep out of the designated area. Its warning and mandatory instruction symbols help communicate potential hazards and reinforce restrictions on unauthorised access.
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 invoiced £5,100 on a single order.
We can now compete with internet prices and still make a healthy margin.
We were regularly asked to supply safety signs, but struggled to compete with internet prices while maintaining a worthwhile margin.
Working with Rainbow Safety has changed that. We can now offer our customers a competitive range of safety signs while still making a healthy margin for our business.
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
Well made and feels sturdy. Used on a construction fence and it’s stayed looking good despite the weather. The size and material choices make it easy to get what’s needed.
No complaints at all. The sign looks professional and does the job. A few different options to choose from depending on mounting or location, which is useful.
Good quality sign and arrived quickly. The print is bold and easy to see. Useful that there are size and material options depending on what’s needed for the site.
Does exactly what it’s supposed to. Text is clear, colours stand out, and it feels durable. Handy that it’s available in different materials depending on where it’s being used.