Danger Explosive Atmosphere (Atex Category 1) Signs | Gas & Explosive Signs
Product Summary
Ensure maximum safety and regulatory compliance on your construction or industrial site with our
Danger Explosive Atmosphere (Atex Category 1) Signs. These essential hazard warning signs are designed to alert employees, contractors, and visitors to the presence of potentially explosive gases, vapors, or dust in high-risk zones. Compliant with the Health & Safety (Safety Signs and Signals) Regulations 1996 and conforming to ISO 7010 and BS 5499 standards, these signs provide clear visual warnings to prevent accidents and promote workplace safety.
Ideal for use in refineries, chemical plants, fuel storage facilities, and construction zones, these signs are part of a wider range of hazard signage including
danger signs,
high voltage signs,
toxic hazard signs, and
biohazard warnings. The clear “Explosive Atmosphere” messaging and bold pictograms ensure that your team is aware of Atex Category 1 classified zones, where explosive conditions are most likely to occur.
Material & Print Options
Our Danger Explosive Atmosphere signs are available in two high-quality material options to suit various site conditions:
- Adhesive Vinyl: Ideal for smooth, clean indoor surfaces where quick application is needed. Self-adhesive backing ensures easy installation.
- 3mm Rigid PVC: A robust and durable option for both indoor and outdoor use. Withstands tough environments and remains legible over time.
Both material choices feature fade-resistant, high-contrast printing for maximum visibility in low-light or high-traffic areas. Whether you're managing a construction zone with slippery floors requiring a
slippery surface sign or a chemical storage area, these signs are crafted to perform in challenging conditions.
Installation Info
Installation is straightforward and flexible to suit your site needs. Please note:
- No fixings are included with this product, allowing you to select the most appropriate method for your environment—whether that’s adhesive mounting, screw fixing, or cable ties.
- Adhesive vinyl signs can be applied directly to clean, flat surfaces for a secure hold.
- Rigid PVC signs can be drilled or mounted using standard fixings for longer-term use.
Delivery & Lead Times
We understand the importance of timely delivery for ongoing projects and compliance deadlines. That’s why we offer flexible shipping options:
- Standard Delivery: Receive your signs within 5 working days.
- Express Delivery Options: Choose from next-day, 48-hour, or 72-hour delivery at checkout for urgent needs.
Orders confirmed before the daily cutoff time are dispatched the same day to help you stay on schedule. Our UK-based customer support team is available 18 hours a day to assist with order tracking or product queries.
Why Choose This Sign
Selecting the right hazard signage is crucial for maintaining a safe and legally compliant environment. Here’s why our Danger Explosive Atmosphere (Atex Category 1) Signs are the preferred choice for site managers and procurement officers:
- Compliance: Fully compliant with UK safety legislation and international signage standards.
- Clarity: Clear symbols and bold text ensure warnings are instantly understood, even from a distance.
- Durability: Built to endure harsh industrial and construction settings without fading or damage.
- Versatility: Suitable for a wide range of hazardous environments, including those requiring complementary signage like toxic hazard signs or biohazard warnings.
- Professional Appearance: Maintains a consistent and authoritative safety look across your site.
Don’t leave safety to chance—clearly communicate explosive gas and vapor risks with our professional-grade signs.
Order your Danger Explosive Atmosphere (Atex Category 1) Signs today and ensure your site stays safe, compliant, and well-organized.
Material Weight: Rigid PVC Panel (5mm) – Industrial-grade, impact-resistant substrate suitable for prolonged outdoor deployment on construction and industrial sites.Removable Vinyl Film (180 GSM) – High-tack adhesive for secure placement with clean, residue-free removal, ideal for short-term or rotating safety messaging.Material Surface: Matte, Anti-Glare Coating – Ensures maximum legibility in high-light environments, prevents reflection from site lighting or direct sunlight, and maintains a professional non-shiny appearance.


How long will it take to receive my safety signs?
Our standard delivery time is 5 working days from artwork approval. Express turnaround options are available upon request.
Do you have ready-made designs?
Yes, we have pre-made templates for construction navigation signs, hazard warnings, PPE reminders, directional signs, and more. These can be customised with your logo or wording.
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Can you print custom safety signs?
Yes, you can provide your own design or work with our design team to create a bespoke safety sign.
What materials do you offer?
We offer Rigid 5mm Foam Board for long-term durability and Temporary Adhesive Vinyl Stickers for short-term use.
Are your safety signs weatherproof?
Yes, both materials are UV-resistant and waterproof, suitable for outdoor use in all weather conditions.
What sizes do you offer?
We produce safety signs in standard universal sizes as specified for each type of sign, ensuring compliance and visibility requirements are met.
Do your signs meet UK safety regulations?
Yes, our signs comply with BS EN ISO 7010 standards for workplace safety signage.
Can you add our company logo or brand colours?
Yes, we can customise any sign to include your branding while keeping it compliant with safety standards.
Do you offer bulk discounts?
Yes, we offer tiered pricing for larger orders. Contact us for a customised quote.
How do I place an order?
Select a template or upload your design, choose your material and size, and place your order online. We’ll confirm a proof before printing.