School Supplementary Sign


This School Supplementary Sign is made with Grade RA2 reflective and comes fitted with 2 rear rails. Post fixings not included.

Just Pick a Sign Size.

SKU: N/A Category:
View basket


  • Type: Supplementary Sign
  • X-Heights: 50mm /62.5mm / 75mm / 100mm / 125mm / 150mm
  • Fixings: 2 Rear Rails
  • Brand: Tennants UK
  • Standards: Grade RA2 Reflectivity / DfT Diagrams

Our School Supplementary Sign is made with Grade RA2 reflective on a composite plate. In brief, supplementary signs provide drivers with further details related to a main sign. But they can only be paired with specific signs and need to be positioned directly below. In addition, the size of the signs X-Height (the text) is strictly related to road speed, thus ensuring it is easy to read when driving.

Size Options

First off, only pair this supp with the specific permanent warning sign: Children Crossing Sign. Finally, the table below shows which X-Height Size to pick based on your road speed.

Sign X-HeightRoad Speed (mph)
50mmUp to 30
62.5mm31 to 40
75mm41 to 50
100mm 51 to 60
125mmOver 60

Since our permanent signs are all made in-house, we guarantee it’s standards compliant. And it comes with 2 rear channel rails, so it’s ready to fix to a sign post. With a black text on a white background and a black outer edge, the colours really contrast. While the high-intensity sign face reflects more light back towards drivers.

Note: Mounting clips and posts can be found in our permanent sign accessories, with 2 fixings required per sign.

School Supplementary Sign Features

  • Has the DfT School text diagram – 546
  • Text & Sign Size is Directly Related to X-Height.
  • Reflective sign conforms with Class RA2 standards.
  • Made using Oralite 5810 High Intensity Grade Reflective – CE Certified.
  • Sign face is mounted onto a 3mm Aluminium Composite Plate.
  • Comes with two rear channel rails for mounting onto posts.
  • HiP Reflective and Composite Plate provides 10-year durability.

All our permanent signs are made to exacting standards under ISO 9001: 2015 and in accordance with NHSS 9A. Which gives you the best possible quality and good value for money. Furthermore the design and size of this sign conforms to regulations and is in accordance with BS EN 12899-1:2007.

High Quality Sign Faces

High Quality Traffic Signs from TennantsUK

Our permanent supplementary signs are made using Oralite 5810 High-Intensity Grade Reflective from Orafol. And since Orafol are one of the worlds largest suppliers of retroreflective materials, so you can be assured they conform with all regulations.

Durable Composite Plate

Some aluminium composite plates used for traffic signs
We use an aluminium composite substrate for our permanent traffic signs because it’s lightweight, durable and rust resistant. And it is perfect for mounting our class-2 reflective sign faces onto.

Ready for Posts

Triangular Sign with rear channel rails for sign posts
Finally, this sign comes with 2 rails fixed to the back of the sign, so it’s ready for mounting. When fixing it to a sign post you will need 2 clips or banding and clamps, one for the top and bottom rail.

Additional information


Tennants UK

Sign Items

Supplementary Signs