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File Checks

SubAlu checks your artwork before it goes to press on coated aluminium, so the panel size, crop and orientation suit the final display. This helps photographers, artists and businesses avoid costly surprises on colour, fit and finish.

File Checks

What gets looked at before a panel is made

Our file checks cover the practical details that affect the final result on dye sublimation aluminium photo panels. We look at orientation, crop, aspect ratio, image resolution and whether the file is ready for a clean transfer onto the coated surface. For jobs going to homes, offices, galleries or retail spaces, that early review can save time and reduce rework.

We also check whether the artwork suits the chosen finish, whether that is gloss, matte, white or brushed aluminium. Brushed panels need careful handling of highlights and lighter areas, because the metal grain can affect how those parts read once printed. If the file needs minor correction for trim or placement, we flag it before production starts.

  • Orientation and layout review
  • Crop and bleed check for the chosen size
  • Resolution review for print suitability
  • Finish suitability for gloss, matte, white or brushed panels

How the file-check process moves through our workshop

You send the artwork and the size you want, then our production team reviews the file against the panel dimensions. If the image is too small, has the wrong crop, or contains elements too close to the edge, we advise on the practical changes needed before printing. Where necessary, we can suggest a different size or a safer crop so important details are not cut off.

The process is handled in Randburg, Johannesburg, with delivery arranged to Johannesburg, Pretoria, Midrand, Sandton, Cape Town, Durban and Gqeberha. For multi panel layouts, we check the alignment from one panel to the next so the full image reads properly once mounted. We work with photographers, artists and businesses, and every file is treated with the same care, whether it is for one panel or a full wall set.

  • Receive artwork and panel size request
  • Review crop, ratio and resolution
  • Flag any issues that affect print quality
  • Confirm the most practical production path

The print readiness details that matter most

Good file checks are not only about sharpness. They also help with tonal balance, edge placement and how the final image will sit on the aluminium panel. A file that looks fine on a phone may still be too low in resolution for a large wall piece, especially where close viewing is expected in an office foyer or gallery.

We work with the standard knowledge used for dye sublimation production: image files need enough detail for the chosen print size, clean edges for trimming and a layout that suits the panel format. If the panel is being hung in a coastal area such as Durban or Gqeberha, we can also note when a finish choice may be better suited to glare control or easier visual reading under strong light.

  • File detail must match the final panel size
  • Text and faces should not sit too close to the trim edge
  • Gloss finishes show more reflection in bright rooms
  • Matte finishes reduce glare under office lighting

What happens if the artwork needs correction

If the file needs attention, we explain the issue in plain terms and recommend the next step. That may be a new crop, a larger file, a change in panel size or a different layout for a set of panels. We do not guess at adjustments where image quality would suffer. It is better to stop early and correct the file than to press ahead with a panel that will not hold up at viewing distance.

Customers must own the images they send or have the rights to use them. That applies to portraits, commercial photography, artwork, logos and any other supplied content. If a client sends a file for a public wall, trade counter, showroom or office reception, it is their responsibility to make sure the image can be printed legally and without dispute. We can work with supplied files, but we do not take on copyright decisions for the client.

  • Crop changes can protect key image features
  • Low resolution may require a smaller panel
  • Artwork rights remain the client’s responsibility
  • We keep the advice practical and direct

Turnaround, pricing and where the work fits in

File checks are usually one of the fastest parts of the production process, but the turnaround depends on how complete the artwork is when it arrives and how many changes are needed. Straightforward files can be reviewed quickly. More complex layouts, especially multi panel sets or mixed finishes, may need extra checking before approval.

Our pricing approach is kept practical. Basic file checks are generally part of the quoting and production review for aluminium panel work, while more involved rework or layout changes may affect the final job cost. If a panel needs test output or colour preparation, that is handled as a separate production step. We keep the steps clear so customers know what is included and what is an extra production task.

  • Quick review for ready files
  • More time needed for complex layouts
  • Test panels may be used for colour-sensitive work
  • Extra corrections can affect the quote

Aftercare once the panel leaves Randburg

Once the panel is made and packed, we give care advice suited to aluminium photo panels. A dry cloth is usually enough for dust. Harsh cleaners, abrasive pads and rough wiping should be avoided, especially on gloss faces. For brushed finishes, cleaning in the direction of the grain helps preserve the surface look.

If a panel is being installed in a busy office, reception area or home with strong sun exposure, it helps to place it where it will not get direct contact from moisture or repeated handling. We also assist with reprint matching when a customer wants another panel to match an earlier job in size, tone or finish. That matters for expanding a series in a gallery, adding work to a commercial wall, or replacing a piece after a move. Small scratches and uneven handling can be avoided with the right packing and mounting choices from the start.

  • Use a dry microfibre cloth for everyday dusting
  • Avoid harsh chemicals and rough pads
  • Match grain direction on brushed finishes
  • Ask for reprint matching when extending an existing set

Key facts

Service areaRandburg, Johannesburg and deliveries to major South African cities
Panel typeDye sublimation onto coated aluminium photo panels
Finish optionsGloss, matte, white and brushed
File review pointsOrientation, crop, ratio, resolution and practical print readiness
HardwareGeneric hanging hardware options for wall mounting
Client file rightsCustomers must own or have rights to supplied images

What our Metal Print customers say

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Metal print questions

What should I send for a file check?

Send the artwork file, the intended panel size and any notes about layout, cropping or whether the image needs to align with other panels.

Can you work with low resolution files?

Sometimes, but only if the final panel size is still practical. If the file is too soft or pixelated for the size, we will say so before printing.

Do you check whether an image is allowed to be printed?

We check print readiness, not copyright ownership. The customer must have the rights to use every image they send.

Have a photo worth hanging? Send us the file.

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