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We print large format billboard graphics on recycled PE black-backed vinyl, which is fully opaque and blocks light bleed through the banner. Our flatbed presses handle panels up to 196 inches wide.

Large Format Billboard & Highway Sign Printing

With large prints, chinese uv flatbed printer china,Recycled PE flex black-backed vinyl material is UV printed on electronic billboard,digital billboards,billboard sign,billboard advertising,billboard for sale,billboards on highway.

Specifications

Max print width5000 mm (196 in) in a single pass, seamless
Standard materialBlack-backed PVC banner, 510 gsm (15 oz)
Alternative weights440 gsm (13 oz) short term, 610 gsm (18 oz) long term
Base fabric1000D x 1000D polyester scrim, 9 x 9 or 18 x 18
OpacityOpaque black core, no show-through from rear light
Print resolution720 dpi, UV-curable or eco-solvent ink
JoiningHeat welded overlap seam, 25-30 mm
FinishingWelded hem, grommets, pole pockets, keder edge
Expected outdoor life2-3 years and longer on 610 gsm

How we print and seam a 196-inch billboard

Our large format presses run a 5 m (196 in) web in one pass, so a billboard up to that width has no join in the image area. Files are nested so the focal point lands inside one panel, and where a join is unavoidable we place it on a colour block or a dark field rather than through a face or a logo. Ink goes down heavier than on a standard banner because viewing distance is long and contrast beats fine detail. We proof at 1:10 scale and check legibility across the room, on the frame drawing you supply.

Panels wider than 5 m are joined by heat welding, not stitching. A 25-30 mm overlap is fused under controlled temperature so the weld is stronger than the parent material and water cannot track along the seam. We then weld the hem, set grommets or sew pole pockets to your frame dimensions, and pull a weld sample from the same run. Panels are rolled on cores with the sequence marked, and the packing list repeats it, so panels are unpacked in the order they go up.

Where these are used

Highway and roadside billboards

Roadside boards are read at 100 m or more, which changes the design rules. We recommend a minimum cap height of about 300 mm for the headline, one strong image and no more than three colours on the dominant field. Because the vinyl is black backed, an old poster or a bright sky behind the frame cannot ghost through and shift the colour.

Building wraps and facade graphics

A facade wrap is part scaffold cover and part advertising, so the panel has to be dimensionally accurate to the elevation. We work from your elevation drawing, break the graphic at floor lines and window mullions, and build in the frame tolerance you give us. On a sun-facing wrap a light-back banner glows and washes out the dark half of the artwork.

Stadium, arena and event perimeter

Sports and event hoardings are seen on camera at close range, so joins and colour consistency between panels are obvious. We print the full run in one pass where size allows, hold one colour target for the whole job and compare panels under the same light. Hoarding normally carries pole pockets top and bottom and a welded edge rope for tensioning along a barrier.

Transit, warehouse and industrial screens

Trailers, warehouse walls and plant screens use large panels where the message is often functional: safety instructions, loading bay numbers, directional arrows. Contrast and letter size matter more than photographic richness, and a matte finish avoids glare from yard floodlights. We can supply a keder edge or eyelets with a rope hem, and print a small variant for each site number in the same run.

Quality control & packing

Every billboard run starts with a welded seam sample and a printed strike-off. In production we read ink density at five points across the web, because a 5 m width can drift at the edges. After welding we measure the panel against the frame drawing, inspect the seam by hand for gaps or thinning, pull-test a coupon and confirm grommet placement against the installation plan.

Panels up to about 2.2 m on the short side are rolled on a core and packed in a corrugated carton. Larger panels are folded on the weld lines with interleaving, strapped to a pallet and corner protected, which keeps ocean freight volume down. Each crate carries panel sequence, size and weld map.

Customisation options

Billboards are produced to the exact dimensions of your frame. Our 5 m press prints seamless panels up to 196 inches wide, and larger structures are heat welded from multiple panels with seams placed on the approval proof. Choose 440, 510 or 610 gsm black-backed vinyl in gloss or matte, with welded hems, grommets, pole pockets or keder edges matched to your mounting system. Colour is matched to a printed strike-off before the run, and brand colours can be held across reprints from retained references. Supply CMYK artwork at 1:10 scale at 300 ppi, or full size at 30-50 ppi, with fonts outlined and key elements kept vector where possible. Multiple creatives can be produced in one order, so a campaign covering several locations ships together with panels labelled by site and hanging sequence.

Frequently asked questions

What does "black-backed" mean and why does it matter?
An opaque black layer sits behind the printed face, preventing show-through from old artwork or backlighting. It keeps colours accurate on large installations.
How do you join panels for very large billboards?
We weld or seam panels with reinforced joins and supply grommets or pole pockets matched to your mounting frame.
Is the material suitable for long-term highway exposure?
Yes. Our UV-cured inks and heavy-duty vinyl withstand extended outdoor exposure, typically 2-3 years or more.
How do you hide a seam on a 12 m wide billboard?
We place it deliberately. The weld goes on a dark area, a colour boundary or a horizontal band that the eye already reads as an edge, never through a face, a logo or a gradient. The seam position is shown on the approval proof, so artwork can still be moved.
What file setup do you need for a 196-inch panel?
Send CMYK artwork at 1:10 scale at 300 ppi, or full size at 30-50 ppi, with fonts outlined and text kept as vector where possible. We confirm effective resolution at final size and warn you before printing if an image will go soft.
How large a banner can ship without folding?
Rolled, we can ship up to about 2.2 m on the shortest side. Anything larger travels folded on the weld lines, which is normal for billboards and leaves creases that relax in the sun within days. Tell us the install date and we will advise.
What is the lead time for a large billboard order?
A printed strike-off for approval typically takes 5-10 days, and bulk production of welded panels usually runs 10-20 days depending on total area and finishing. Large jobs are planned panel by panel against your installation schedule, and we can phase shipments by sea or air so early sites go up while later panels are still in production.
Can I get a printed sample before committing to a full billboard run?
Yes. We produce a scale strike-off on the actual black-backed vinyl so you can approve colour, density and material before full production. The approved sample becomes the colour reference for the whole run, and we compare finished panels against it under controlled lighting so multi-panel billboards stay visually consistent across the structure.

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