Danger Explosive Atmosphere Sign – your essential safety measure for high-risk environments. This sign offers high-visibility hazard warnings fully compliant with UK safety legislation, making it indispensable for DSEAR and ATEX zones. Featuring the universally recognised yellow triangle with black “EX” symbol according to ISO 7010, it clearly warns personnel of the presence of flammable gases, vapours, or dust, helping to prevent accidents and ensure workplace safety.

Proudly Made in Britain, this sign is crafted using fade-resistant inks applied to durable, eco-friendly materials including recyclable vinyl, rigid plastic, composite aluminium, or recycled plastic substrates. Its robust construction guarantees suitability for both indoor and outdoor environments, resisting wear and tear while maintaining clear visibility over time.

Available in three versatile sizes—300 × 100 mm, 400 × 150 mm, and 600 × 200 mm—and multiple fixing options such as corner holes or sticky foam pads, installation is hassle-free and adaptable to any surface or setting. Whether you need to mount it on walls, doors, or equipment, this sign provides flexible solutions to fit your specific requirements.

This sign supports full compliance with the Health and Safety (Safety Signs and Signals) Regulations 1996, the Dangerous Substances and Explosive Atmospheres Regulations (DSEAR), and the Management of Health and Safety at Work Regulations 1999. By displaying this sign, your workplace adheres to legal obligations, helping to protect employees and visitors from hazardous explosive atmospheres.

Ideal for use in chemical plants, solvent storage facilities, dust-handling areas, and any environment at risk of explosive atmospheres, this warning sign is a vital tool for risk control. It reinforces safety protocols and helps meet the expectations set by the Health and Safety Executive (HSE), reducing the likelihood of costly accidents and ensuring a safer working environment.

As the UK’s top-rated online safety signs supplier, The Sign Shed is proud to offer this 5-star rated (excellent) product, trusted by over 5,000 satisfied customers. Enjoy free shipping on orders over £50, making it easier and more affordable to equip your workplace with the safety signage it needs.

Invest in this durable, compliant, and highly visible Danger Explosive Atmosphere sign today. Protect your team, meet your legal responsibilities, and demonstrate your commitment to workplace safety with a product that delivers reliability and peace of mind, every single day.