4m Convex Flags – Smart Signage for Smarter Construction Sites
Looking for flexible, professional signage that stands up to real-world site use? Our 4-metre convex flags are an ideal choice for mid-to-large construction projects.
They feature a curved lower edge for improved wind control, a site-tough poly-fabric body, and full-colour printing for clarity across distance. The rounded base adds stability, making them great for outdoor use—even on uneven or exposed ground.
From contractor branding at entrances to safety zone signage, these convex flags help you look sharp and stay compliant.
Dimensions & Visibility 4000mm (4m) height with curved lower edge for reduced movement in wind.
What’s Included Full flag kit: printed flag, fibreglass pole, and a round water-fill base for on-site stability.
Where should I use a 4m convex flag on site?
Use it for public-facing zones, health & safety instructions, or branded contractor signage at medium or large sites.
Can I get next-day delivery?
Yes. We offer next-day UK delivery and same-day collection from our Bolton print hub.
How is it printed?
Using eco-solvent inks on weather-resistant poly-fabric for durability and clarity.
Do you offer design help?
Yes. We provide Free Design Service or Professional Design options depending on your needs.