Do Not Stack Sign | Prohibition Signs
Product Summary
Ensure compliance and prevent costly damage with our highly visible Do Not Stack Sign. Designed to clearly communicate stacking restrictions, this prohibition sign is ideal for use in warehouses, storage areas, loading bays, and construction sites where stacked materials could pose a safety hazard. Featuring bold red and white coloring with easy-to-read text and an internationally recognised symbol, the sign delivers a clear message at a glance.
As part of our wider range of prohibition signage — including the no entry sign, no smoking sign, and no admittance sign — the Do Not Stack Sign helps maintain safety standards and supports regulatory compliance throughout your site.
Material & Print Options
Our Do Not Stack Signs are manufactured using high-quality, durable materials suitable for both indoor and outdoor environments. Choose the format that best suits your application:
- Adhesive Vinyl: Flexible and easy to apply on smooth surfaces such as walls, containers, and equipment.
- 3mm Rigid PVC: Sturdy and weather-resistant, ideal for permanent signage in demanding environments.
All signs are printed using high-contrast inks to ensure long-lasting visibility, even in harsh site conditions.
Installation Info
Installation is quick and straightforward. The Do Not Stack Sign is supplied without fixings, allowing you to select the most appropriate mounting method for your location. Whether you're using adhesive backing, screws, or cable ties, you have full flexibility to install the sign where it will be most effective.
Delivery & Lead Times
We understand the importance of speed when it comes to site safety. That’s why we offer:
- Standard Delivery: Within 5 working days
- Express Options: Next-day, 48-hour, and 72-hour delivery available at checkout
Orders placed before our daily cutoff time are eligible for same-day dispatch. For specific delivery requirements or bulk orders, our customer service team is ready to assist.
Why Choose This Sign
Selecting the right safety signage is essential to maintaining a compliant and hazard-free workplace. Here’s why our Do Not Stack Sign is the preferred choice for site managers and procurement officers:
- Instantly communicates stacking restrictions to prevent workplace accidents
- Part of a complete prohibition signage range including no entry, no smoking, and no admittance signs
- Available in two durable materials to suit various environments
- Bold design with clear symbols for maximum visibility and comprehension
- Fast and flexible delivery to meet urgent site requirements
Take control of site safety and organisation with signage that speaks clearly and performs reliably.
Order your Do Not Stack Sign today to improve workplace safety and ensure compliance across your site.
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.