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Sentinel the ultimate poster sign available sizes A1, 30″ × 40″, A0 and 40″ × 60″

  • Click the link to view more details Download PDF
  • Double sided display area
  • Stainless steel tamper proof fixings retain poster cover at the top and enable ease of poster change by one person
  • Silver border and frame as standard
  • Clear polycarbonate poster covers
  • Zinc phosphate and polyester powder coated steel frame
  • Water-fillable polyethylene base
  • 8 minutes to assemble and fill base
  • Supplied hardware only
  • Poster printing available please ask.
  • Delivery FREE
  • Other options available
SKU: ukbp-sw-sen-01 Categories: , , , ,
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The ultimate poster sign – available in A1, 30″ × 40″, A0 and 40″ × 60″ sizes

External poster signs are a powerful advertising tool. With 70% of purchase decisions made in-store, driving footfall inside is key. Nothing does that better than Sentinel in a choice of 3 high impact poster sizes.

Magnetic poster covers for quick and easy poster change

Built-in wheels – easy to move with our purpose designed trolley

Clear polycarbonate poster covers offer high impact resistance and UV stability

Silver border and frame as standard. Also available branded/printed in custom colours

Stainless steel tamper-proof fixings retain poster cover at the top and enable ease of poster change by one person

Water-fillable polyethylene base precisely calculated for optimum stability, made using recycled materials

Black base as standard to hide dirt and marks
Poster Size     O/A Dimensions (mm)     Display Area(mm)     Weight (kg) Empty/Full

A1                         765 x 1245 x 650                           580 x 830                      18.5/65

30” x 40”             935 x 1429 x 704                           754 x 1008                     27/99

A0                         979 x 1603 x 704                          820 x 1169                     31/103

40” x 60”             1171 x 1942 x 894                           995 x 1503                    42/147


Poster prints are based on single artwork digitally printed. Varnish will be screen printed both sides helping protect the graphic from scratches for an extended life for up to 5 years. Varnish finishes provide excellent colour vibrancy and depth to your graphic, for outdoor signs requiring. Digital prints offer a faster turnaround as files are sent direct to us ready to print on a wide range of materials.

Design for artwork can be provided please ask for this option by contacting us by phone or email with your requirements.

Additional information


A1 Sentinel, A0 Sentinel, 30" x 40"Sentinel, 40" x 60" Sentinel

Artwork Guide

Artwork submission process for large format pavement signs, a- boards, swinger boards
We will let you know at the earliest opportunity if your files are not suitable.
1. Artwork files created and submitted to UK Biz Printing.

2. Files are checked and prepared for print.

3. A proof is sent to you for approval

4. You check your proof and either approve or advise (If not approved, new files / fonts/ images should be supplied at this point)
5. Artwork is sent to print
Artwork charges
We can offer a full artwork production service if required.
15 – 30 mins £15 |  30 – 60 mins £30 Up to 2 hours £60

Colour for printing should be set up as CMYK
Please remember convert all RGB images and colours to CMYK.
Convert all spot colours to process CMYK for digital printing. Please note
Pantone matching cannot be guaranteed for digital prints. Specify Pantone colours if your job has been costed for screen print in spot colours.
Fonts and images
Convert text to outlines to prevent font from disappearing, please make sure all text in your document is converted to outlines. This can be done by selecting the drop down menu ‘Type’ in Illustrator and InDesign, then clicking
‘Create Outlines’.
Any pixel-based images in your artwork should either be embedded or supplied with your files. They should be supplied at a resolution of 300dpi and at 100% scale, as this prevents the final print looking pixelated.
We strongly recommend checking your images in hard-copy. They may look different on screen when compared with print.
Images should be saved in one of the following formats: .tiff, .jpg, .psd or .pdf.
Supplying Artwork
Before sending your artwork, please check it complies with all guidelines.
Don’t forget to check your spelling too!

Email or upload your artwork to us with your order after payment.
Larger files? We recommend web transfer www.wetransfer.com along with your order number and details of the order placed.
Under 5mb? Please send it directly to by email


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