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Posters are versatile in a way that’s easy to underestimate. They work in shop windows and office lobbies, on event venue walls and exhibition stands, inside shopping malls and on outdoor hoardings. The range of materials, sizes, and finishing options available in Singapore means there’s almost always a poster format suited to the application — the challenge is knowing which one to choose.
Standard Poster Sizes and Their Common Uses
Singapore’s printing industry uses ISO paper sizes, which means A-series dimensions are the standard. A4 (210mm × 297mm) functions more as a large flyer than a traditional poster — useful for counter displays, noticeboards, and table-top promotions. A3 (297mm × 420mm) is the workhorse of indoor promotional signage: prominent enough to be noticed, compact enough to fit in most display locations. A2 (420mm × 594mm) is a genuine poster that commands attention and works well for event promotion and retail advertising. A1 (594mm × 841mm) and A0 (841mm × 1189mm) are large-format sizes suited to high-traffic areas, exhibition walls, and window displays where visibility from a distance is the priority.
Custom dimensions are also available for most materials, which is useful when you need to fill a specific display area or match an existing frame size.
Paper Poster vs Mounted Poster
An unfinished paper poster — typically 150gsm to 200gsm art card, gloss or matte — is the most cost-effective option and works well for events and promotions with a short display life. It’s lightweight, easy to transport, and can be taped or tacked to most surfaces without additional hardware.
For anything that needs to look more permanent or survive repeated handling, mounting the print onto foam board or aluminium composite (dibond) provides rigidity and durability. Foam board mounting is suitable for indoor applications — pop-up events, exhibitions, short-term retail — while aluminium mounting is appropriate for semi-permanent indoor installations and anywhere a premium finish is expected. Mounted posters can also be framed without further preparation, which is useful for office and hospitality environments.
Finish: Gloss vs Matte for Posters
Gloss coating intensifies colours and makes photographs look vivid — well-suited to product showcases, entertainment promotions, and any poster where visual impact takes priority over legibility. One practical limitation of gloss in Singapore’s well-lit commercial spaces: reflections. Under strong overhead lighting or near windows, gloss posters can be difficult to read from certain angles due to surface glare.
Matte finish reduces glare almost entirely and is consistently easier to read under artificial light — which describes most retail and office environments in Singapore. For text-heavy posters, directional signage, and anything displayed under fluorescent or track lighting, matte is the more practical choice.
File Resolution: The Most Common Mistake
Poster printing is particularly unforgiving of low-resolution files because the output size is large. An image that fills an A4 page at 300dpi looks sharp; that same image stretched to fill an A1 poster will be visibly blurry because the resolution was never adequate for the larger print area. For poster files, source your key images at the highest available resolution and check image quality at 100% zoom at the intended output size before submitting.
As a practical benchmark: a photograph from a modern smartphone is typically sufficient for A3 and A2 posters. For A1 and A0, professional photography or high-resolution stock images are strongly recommended. If you’re working with vector graphics and text only — no photography — resolution is not a concern, as vectors scale without quality loss.
Turnaround and Delivery
Standard poster printing on paper stock is among the faster production categories — most jobs are completed within one to two working days. Mounted and large-format jobs take slightly longer depending on material and size. For exhibition or event deadlines, ordering three to four working days ahead gives comfortable buffer time without requiring rush pricing.
For poster printing from A4 to A0 and beyond, get an instant quote at ExpressPrint with free island-wide delivery above SGD 100.
