Artwork Specifications For AdVans, AdBikes and AdTrailers

Sheet SizeImperialMetric
Size 6-sheet 1,200mm x 1,800mm (portrait)
Size 48-sheet 20ft x 10ft 6,096mm x 3,048mm (landscape)
Size 96-sheet 40ft x 10ft 12,192mm x 3,048mm (landscape)
AdWalker 1,240mm x 395mm (portrait)

DPI and Scaling

Finished resolution should be 150-200dpi at 14 (25%) of the finished size to ensure the highest quality finish. If you are scaling artwork then please specify the scale used on the artwork or in the title if this is not stated it will be printed as presented.

The higher the resolution generally the more detail in the image, but too high resolution and the files become impractical to work with. As a guide a full background image for an AdVan should be no more than 200 Mb. Using files larger than this size will have no quality benefits and may delay production.


Any typographical elements of your graphics are best done as vectored/outline paths i.e. in Illustrator, Quark, Freehand, etc., with the photographic elements placed behind.


Outline all your fonts in Illustrator, Freehand or any other application that offers this option.

If you cannot outline your fonts please supply your fonts used in job (to include both screen and printer files). Ensure correct licenses for font usage are applied.

File Formats

The preferred file format is a high-resolution PDF, however EPS, TIF, JPEG, BMP are accepted but please note that no actual or consequential loss can be compensated due to file formats corrupting during transfer or the ripping/printing process.


Files to be supplied as CMYK. Delete any alpha channels from files (our preferred Photoshop files would be EPS with JPEG encoding, maximum quality, Macintosh preview).


Do not float any artwork with crop marks in the middle of a larger page. Use the edge of your page as the edge of your print. Add bleed where necessary. Send laser proof(s) with full details. Use the “Collect for Output” option in every instance. Please ensure fonts within EPS files have been sent, or ideally ‘outlined’. Always use single pages only, do not spread artwork over many pages.


Always place a clear non-printing box to the entire page area and send to back. If you do not your file may print out at the wrong scale.


Do not work at a large scale, i.e. 3m x 3m pasteboard width, ensure the work is scaled down, ideally a quarter or 1/10th scale. The reason for this is that Illustrator cannot create a ‘preview’ for large areas. Ensure that work is created originally @ 9600dpi rather than the default 800dpi as this can create flatness/printing problems.


Please supply the original file as well as exported EPS file, convert fonts to OUTLINE. If the file is a correct proportion and includes bleed we can work directly from the EPS file. Working in proportion is an essential method of working. Please clearly indicate what ‘pro’ you are using. Please be consistent with your artworks i.e. 1/10th scale used throughout the job. Artworking time may be incurred to correct data.

Flashes and Additional Artwork

Flashes are additional prints used to cover a selected area of a poster to change and Address, Telephone Number, or promote a timed event such as a sale. When such additions are required then they must be provided at 100% scale as a separate file from the original. Flashes should be no more than 20% of the complete original artwork and no more than 2ft 6in in height x 20ft in length as increase size makes them difficult to handle and apply. Please supply a low-resolution PDF visual to show the positioning of the flash.

Colour Proofs

Please supply colour proofs wherever possible, with any specific Pantones marked, to ensure accuracy of output. All the printers use a 4-colour printing system CMYK. Certain Pantone spot colours are not achievable in 4-colour process. We advise the use of a Spot-to-Process Colour Pantone Chart to check the 4-colour equivalents of Pantone spot colours.

File Naming

Please name the files in the following manner using meaningful abbreviations if required: “client name + campaign title” and save all items and enclosures in a folder called “gorilla + client name + campaign title”

Sending Files

E-mail – For files less than 13mb in size we can accept email as a method of transfer. Larger files may be Zipped or Stuffed. Please include the words “File for Print” in the message title and direct it only to - please request a confirmation receipt.

CD/DVD – Optical media can be in either PC or Mac format but should be clearly marked with the type on the CD or Box cover along with the software package used to create the original artwork (include version). The CD should contain all component images and files required for final printing along with a PDF or JPG copy for proofing.

For administration purposes please supply a low-resolution PDF of the artwork file including any flashes to be applied in position.

Please contact the prepress department for further information or clarification by telephone on 0333 121 4896 alternatively you can send an email to