Demolition Warning Signs

Warning Demolition Safety Signs are used to alert employees, contractors, visitors and members of the public to hazards associated with demolition work. These signs help communicate risks including falling debris, unstable structures, heavy machinery, restricted access areas and ongoing demolition operations.

Also known as demolition warning signs, demolition site signs, building demolition signs and construction demolition safety signs, they are essential for maintaining safe working environments during demolition projects.

Demolition warning signage is widely used by demolition contractors, construction companies, local authorities, site managers and civil engineering firms. Common installation locations include site entrances, perimeter fencing, exclusion zones, pedestrian diversion routes and active demolition areas.

Manufactured in the UK, our warning demolition safety signs are available in self-adhesive vinyl, rigid plastic and aluminium, providing durable safety messaging for demanding site conditions.

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There are 5 products.

Danger Demolition In Progress warning safety sign with yellow and black hazard symbol

Danger Demolition In Progress Sign

Warn personnel and visitors of active demolition work with this Danger Demolition In Progress Sign.
• Warns that demolition work is currently in progress to help prevent unauthorised access
• Ideal for construction sites, demolition projects, refurbishment works and restricted access areas
• High-visibility yellow and black design ensures clear recognition and readability
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back), and Self Adhesive Vinyl
• Helps improve site safety by clearly identifying hazardous demolition zones

£4.88

Danger Demolition In Progress Keep Out Sign

Clearly warns people that demolition is in progress and instructs them to keep out of hazardous work areas.
• Warns of active demolition work and restricts access to dangerous areas
• Suitable for construction sites, demolition zones, restricted work areas and industrial premises
• High-visibility colours, bold text and clear symbols provide quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps reinforce site access controls and reduce entry into hazardous demolition areas

£6.86

Danger Demolition In Progress warning safety sign with yellow hazard symbol

Danger Demolition in Progress Sign

Warn people that demolition work is taking place with this Danger Demolition In Progress Sign.
• Alerts workers, visitors and the public to demolition activity
• Suitable for construction sites, demolition zones and restricted work areas
• Bold warning symbol and clear text provide excellent visibility and recognition
• Available in Rigid Plastic (1mm) and Rigid Plastic (2mm)
• Helps reduce risk by clearly identifying hazardous demolition areas

£9.83

Danger Demolition In Progress Multi Message Safety Board

Danger demolition in progress multi message safety board designed to warn personnel and visitors of demolition hazards and required site safety instructions.
• Helps communicate demolition hazards, mandatory PPE requirements, and restricted access instructions
• Suitable for construction sites, demolition zones, restricted work areas, and industrial premises
• High-visibility colours and clear symbols ensure strong readability and quick recognition
• Manufactured from Rigid Plastic (1mm), Self Adhesive Vinyl, and Recyclable Correx ® (4mm)
• Supports site safety compliance and helps improve hazard awareness in active demolition areas

£10.81

Danger Demolition In Progress Sign

Warn people that demolition work is taking place with this Danger Demolition In Progress Sign.
• Alerts workers, visitors and the public to demolition activity
• Suitable for construction sites, demolition zones, refurbishment projects and restricted work areas
• Bold warning symbol and clear text provide excellent visibility and recognition
• Available in Rigid Plastic (1mm) and Rigid Plastic (2mm)
• Helps reduce risk by clearly identifying hazardous demolition areas

£9.83

Warning Demolition Safety Signs Guide

Warning Demolition Safety Signs are designed to identify hazards associated with demolition activities and restricted work zones. They provide clear warnings about structural instability, falling materials, heavy machinery, dust hazards and other risks commonly encountered during demolition projects.

These signs form an important part of construction site safety management, helping contractors communicate hazards effectively, control access and improve safety awareness for workers and members of the public.

Where Are Warning Demolition Safety Signs Used?

Demolition site entrances
Building demolition projects
Construction and redevelopment sites
Restricted access zones
Perimeter fencing and hoarding
Pedestrian diversion routes
Heavy machinery operating areas
Structural dismantling zones

Types Of Warning Demolition Safety Signs

Available Materials

Self-Adhesive Vinyl

Suitable for site cabins, temporary barriers, equipment and smooth internal surfaces.

Rigid Plastic

Durable and ideal for construction sites, fencing and temporary safety installations.

Recyclable Correx ® (4mm)

Correx is lightweight and ideal for temporary signage. Can be recycled via many kerbside programs.

Related Construction & Site Safety Signs Categories

Demolition Safety Advice & Guides

Frequently Asked Questions

What are warning demolition safety signs?

Warning demolition safety signs identify hazards associated with demolition work, including falling debris, unstable structures, machinery movements and restricted access areas.

Where should demolition warning signs be displayed?

They should be installed at site entrances, perimeter fencing, exclusion zones, demolition work areas and pedestrian diversion routes.

Why are demolition safety signs important?

They help communicate hazards clearly, improve site safety awareness and reduce risks to workers, contractors and the public.

Who uses demolition warning signs?

Demolition contractors, construction companies, civil engineering firms, local authorities and site managers commonly use demolition safety signage.

What colour are demolition warning signs?

Most demolition warning signs use a yellow background with black symbols and text to indicate a warning hazard.

Can demolition warning signs be used outdoors?

Yes. Aluminium signs are particularly suitable for exposed demolition sites where weather resistance and durability are essential.

What hazards do demolition signs warn about?

Common hazards include falling materials, unstable structures, moving machinery, restricted access zones and ongoing demolition activities.

Do you offer custom demolition safety signs?

Yes. Rainbow Safety can manufacture bespoke demolition safety signs with custom wording, symbols and site-specific safety instructions.

Why Buy From Rainbow Safety?

Manufactured in the UK
Over 30 years of safety signage expertise
Fast dispatch on standard products
Trade discounts available
Custom signage manufactured to order
Large range of construction and workplace safety signs
Trusted by UK contractors, demolition specialists and site managers
Expert support from an experienced safety signage team