Danger Construction Site Keep Out / No Trespassing Sign
Danger construction site keep out no trespassing sign designed to warn of hazardous construction areas and prevent unauthorised access.
• Helps warn individuals of dangerous construction site hazards and prohibits trespassing in restricted areas
• Suitable for building sites, development zones, restricted work areas, and industrial premises
• High-contrast warning colours and bold symbols ensure strong visibility and quick recognition
• Manufactured from Rigid Plastic (1mm), Rigid Plastic (2mm), and Recyclable Correx ® (4mm)
• Supports site security and helps reduce the risk of accidents, liability, and unauthorised entry

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Product Overview
The Danger Construction Site Keep Out / No Trespassing Sign is designed to clearly communicate hazardous construction site conditions while restricting unauthorised access. Combining warning and prohibition messages in one highly visible sign, this safety sign helps improve hazard awareness, reinforce restricted access rules, and support safer working conditions on active construction and development sites.
Where to Use
- Construction sites
- Development zones
- Restricted work areas
- Industrial premises
- Site entrances and boundaries
Key Features
- Multi-message construction safety sign
- Clear keep out and no trespassing instructions
- High-visibility colours and symbols
- Bold and easy-to-read text
- Helps improve site safety and access control
Materials & Options
- Rigid Plastic (1mm)
- Rigid Plastic (2mm)
- 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?
This sign should be installed at construction site entrances, restricted work zones, perimeter fencing, and hazardous development areas.
Is this sign suitable for outdoor use?
Yes, the Rigid Plastic (1mm), Rigid Plastic (2mm), and Recyclable Correx ® (4mm) materials are suitable for indoor and outdoor workplace applications.
What does this sign indicate?
This sign indicates that a construction site is hazardous and instructs unauthorised individuals to keep out and avoid trespassing.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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