A1 Printing Service on 420gsm Waterproof PVC for Outdoor Posters

A1 Waterproof PVC Poster Printing for Outdoor Signage

This is the printed insert that sits inside the frame. The 420gsm waterproof PVC A1 poster provides the graphic for every A-board, snap frame and pavement sign in your outdoor signage setup. It is not paper or laminated card, but a solid plastic media that is waterproof from surface to core and printed at 1200 dpi on a dedicated Epson photo-grade printer using eco-friendly inks. Rain does not cause the ink to run or the surface to buckle, helping the poster remain in place throughout a season without replacement.

At 420gsm, the heavyweight PVC is designed to lie flat as soon as it is placed inside the frame. Its anti-curl construction helps prevent sagging, edge lift and crinkling. Whether used in an A1 snap frame on a high street shop front or inside a pavement sign on a pub forecourt, the poster stays positioned against the backboard and presents the artwork clearly over extended use.

Why 420gsm PVC Outperforms Every Alternative

• Waterproof, not water-resistant: Paper posters can absorb moisture, while laminated versions may still take on water around exposed edges. This poster uses 100% PVC, a synthetic plastic media that is waterproof from surface to core. It can be submerged in water without damage, and rain, condensation or puddle splash do not affect the material in the same way as paper.
• 420gsm flat-lay precision with anti-curl properties: The heavyweight stock helps the poster sit flat inside the frame. Lighter media can curl at the edges, sag through the centre or shift behind the cover sheet. At 420gsm, the PVC is designed to hold its position inside a snap frame or A-board without tape, clips or adjustment between poster changes. The anti-curl properties are built into the media rather than added through lamination or coating.
• 1200 dpi on an Epson photo-grade printer: The poster is produced at 1200 dpi on a dedicated Epson photo-grade printer, supporting crisp text, smooth colour gradients and detailed photographic reproduction across the full A1 surface.
• Matt finish for spotlight-ready retail: The matt surface helps reduce glare and reflection under shop lighting, spotlights and direct sunlight behind glass or acrylic covers. This supports clearer viewing from different angles without the stronger reflections associated with a gloss finish.
• Anti-scuff surface and tear-resistant construction: The PVC surface helps resist fingernail marks, handling scuffs during poster changes and abrasion inside the frame. Its tear-resistant construction also reduces the risk of edge damage when the poster is loaded into a snap frame.
• Eco-friendly inks: The poster is printed with eco-friendly inks that maintain vibrant colour on the PVC surface.
• Artwork review before every print: Our UK print team checks each file for resolution, colour accuracy, bleed and layout before production begins. This gives the artwork a manual review at A1 scale before the finished poster is printed.

Where A1 Waterproof Posters Drive Results

How the Ordering and Print Process Works

1. Place your order for the A1 waterproof PVC poster printing service.
2. We email you a personalised artwork template within 24 hours with sizing and bleed guidelines for A1 (594 x 841mm).
3. You complete your design and send it back.
4. Our print team reviews the artwork for resolution, colour accuracy and layout before production.
5. Production takes 3 to 5 working days from artwork approval. Your poster is dispatched rolled inside a cardboard tube or box.

For outdoor signage, the lowest initial print cost is not always the lowest overall cost. Paper posters may be inexpensive, but rain can quickly make them unsuitable for display, while laminated posters can still fail if moisture reaches the edges. A 420gsm waterproof PVC poster is waterproof throughout the material rather than relying on a surface seal. That reduces the need for repeat printing, emergency replacements and staff time spent changing damaged posters after wet weather. The same poster can remain in the frame from the beginning of a campaign through to the end.

The durability comes from the material itself. This is PVC rather than coated paper, so the synthetic plastic is waterproof through its full thickness. It does not take on water in the way paper does, and moisture does not enter through exposed edges. This makes it better suited to changing weather and humidity than paper-based alternatives. In practical use, a poster inside an A-board on a busy pavement can remain in place through wet outdoor conditions without the same moisture-related damage associated with paper.

The 420gsm stock weight is selected to help the poster sit properly inside a frame. Lighter media can curl at the edges, move behind the cover sheet or sag through the centre at A1 size. The heavyweight PVC, together with its anti-curl and anti-scuff properties, is designed to lie flat from installation and remain positioned without tape or clips. It sits against the backboard of a snap frame, A-board or poster case throughout the display period, helping multiple posters maintain a consistent appearance in settings such as estate agent windows.

The matt finish is chosen to support readability as well as appearance. Gloss surfaces can create reflective hot-spots beneath shop lighting, window spotlights or sunlight behind glass, making parts of the graphic harder to see from certain angles. The matt surface reduces these reflections, helping text and imagery remain clearer across different viewing positions. Whether displayed behind glass in a snap frame, behind acrylic in a poster case or open-faced in an A-board, the finish is designed to keep the graphic easier to read in environments with competing reflections and lighting.