{"id":5091,"date":"2026-08-31T11:45:14","date_gmt":"2026-08-31T01:45:14","guid":{"rendered":"https:\/\/printshop.paperlust.co\/blog\/?p=5091"},"modified":"2026-08-31T11:45:14","modified_gmt":"2026-08-31T01:45:14","slug":"conference-and-exhibition-poster-boards-australia","status":"publish","type":"post","link":"https:\/\/printshop.paperlust.co\/blog\/conference-and-exhibition-poster-boards-australia","title":{"rendered":"Conference Poster Board Sizes, Strut Options and Indoor Limits"},"content":{"rendered":"<style>\n#post-5091 .entry-content p { font-size:20px; line-height:1.7; }\n#post-5091 .entry-content h2 { font-size:34px; line-height:1.3; text-transform:none; margin-top:48px; }\n#post-5091 .entry-content h3 { font-size:24px; line-height:1.35; text-transform:none; margin-top:32px; }\n#post-5091 .entry-content ul, #post-5091 .entry-content ol { font-size:20px; line-height:1.7; }\n#post-5091 .entry-content table { font-size:16px; line-height:1.5; }\n#post-5091 .entry-content figure.pl-fig { margin:34px 0; }\n@media (max-width:768px) {\n  #post-5091 .entry-content p,\n  #post-5091 .entry-content ul,\n  #post-5091 .entry-content ol { font-size:18px; }\n  #post-5091 .entry-content table { font-size:14px; }\n}\n<\/style>\n<p>The email from the conference organiser gives you a display panel size and a deadline. It does not tell you whether to print a paper poster, a fabric one, or a rigid board, and the choices run straight past print quality into something more practical. Most decisions about poster boards come down to travel and standing, not colour accuracy or resolution.<\/p>\n<p>That is the organising idea here. Most guides start with file setup and bleed, which misses the point. You are not trying to make poster boards look good in a preview window. You are trying to get a board from your desk to a venue and keep it upright for six hours of questions from people walking past it.<\/p>\n<p>This guide steps through the decisions in the order they actually hit you. First, what a board is and when it beats paper. Then the sizes, and how to check the dimension the organiser sent rather than assuming a standard. Then thickness, the strut, the trip, and the one condition a foam board cannot survive. That last one is the most useful sentence here for most readers, so we land it hard.<\/p>\n<div class=\"cheat-sheet\" style=\"background:#f8f6f3;border-left:4px solid #c9a96e;padding:20px 24px;margin:28px 0;\">\n<p><strong>The short version<\/strong><\/p>\n<ul>\n<li>Check the panel size your organiser sent before anything else. Each event sets its own panel dimensions; there is no standard to assume.<\/li>\n<li>Six standard sizes are sold online: A4, A3, A2, A1, 600 x 900mm and A0. A size outside that list is a custom quote.<\/li>\n<li>Choose 10mm for A1, 600 x 900mm and A0, for boards handled repeatedly, and for free standing displays.<\/li>\n<li>Strut Backing turns the board into a free standing display with no easel required. It can only be fitted to boards printed on one side.<\/li>\n<li>A rigid board does not roll. It travels flat, so measure the boot before ordering A0.<\/li>\n<li>Foam board is strictly an indoor product. Rain between parking and the venue can end the day before it starts.<\/li>\n<\/ul>\n<\/div>\n<h2>Poster boards: what they are, and when they beat paper<\/h2>\n<p>A poster board is a polystyrene foam core with a smooth paper liner on both faces. The core gives the board its depth and its refusal to sag. The paper liner gives the surface that holds the print. Into that surface we print full colour direct UV, which bonds ink straight onto the board rather than sitting a sticker over it. The result is a flat panel that reads as one solid object, not a print that happens to be thick.<\/p>\n<figure class=\"wp-block-image size-large pl-fig\"><img decoding=\"async\" src=\"https:\/\/printshop.paperlust.co\/blog\/wp-content\/uploads\/2026\/08\/conference-poster-boards-1.jpg\" alt=\"Hands holding two sheets by one corner beside a plain wall; the printed foam board stays flat while an unprinted paper sheet curls downward\" class=\"wp-image-5119\" width=\"1536\" height=\"1024\" data-no-lazy=\"1\" srcset=\"https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-1.jpg 1536w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-1-300x200.jpg 300w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-1-1024x683.jpg 1024w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-1-768x512.jpg 768w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-1-650x433.jpg 650w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-1-624x416.jpg 624w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><figcaption class=\"wp-element-caption\">Lifted from one corner, the panel gives away the reason a rigid board beats a rolled poster.<\/figcaption><\/figure>\n<p>The comparison that matters to you is practical, not technical. A paper poster rolls into a tube and arrives with a curl that fights you for the first hour of the session. It needs pins or adhesive and it sags under its own weight. A board arrives flat, stands where you put it, and holds its shape without anything in front of it. You carry it in and set it down and it is already the thing it needs to be.<\/p>\n<p>That flatness is the trade. A rigid board cannot be rolled, so it keeps every millimetre of its flat shape from your studio to the venue. That means it takes the full width and height in the car, on the train, and in the hotel room. That is the cost of arriving without curl.<\/p>\n<h2>Matching the board to the panel the organiser gave you: from A4 to A0<\/h2>\n<p>The board comes in six fixed sizes, listed by width and height in millimetres from smallest to largest. A4 is 210 x 297mm. A3 is 297 x 420mm. A2 is 420 x 594mm. A1 is 594 x 841mm. A0 is 841 x 1189mm. The sixth size, 600 x 900mm, is not an A series size. It matches the common corflute signage format and suits property boards, event and venue signage, and floor standing displays needing a wider face than A1.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:20px 0;\">\n<thead>\n<tr style=\"background:#1a1a1a;color:#fff;\">\n<th style=\"padding:11px 16px;text-align:left;\">Size<\/th>\n<th style=\"padding:11px 16px;text-align:left;\">Dimensions<\/th>\n<th style=\"padding:11px 16px;text-align:left;\">Typical stand use<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:11px 16px;\">A4<\/td>\n<td style=\"padding:11px 16px;\">210 x 297mm<\/td>\n<td style=\"padding:11px 16px;\">Table talkers, counter cards and desk displays<\/td>\n<\/tr>\n<tr style=\"background:#fff;\">\n<td style=\"padding:11px 16px;\">A3<\/td>\n<td style=\"padding:11px 16px;\">297 x 420mm<\/td>\n<td style=\"padding:11px 16px;\">Counter and reception signage, small posters mounted rigid and presentation boards<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:11px 16px;\">A2<\/td>\n<td style=\"padding:11px 16px;\">420 x 594mm<\/td>\n<td style=\"padding:11px 16px;\">Retail and reception display, easel signage and photo boards<\/td>\n<\/tr>\n<tr style=\"background:#fff;\">\n<td style=\"padding:11px 16px;\">A1<\/td>\n<td style=\"padding:11px 16px;\">594 x 841mm<\/td>\n<td style=\"padding:11px 16px;\">Entrance and welcome signage, event signage and trade show displays<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:11px 16px;\">600 x 900mm<\/td>\n<td style=\"padding:11px 16px;\">600 x 900mm<\/td>\n<td style=\"padding:11px 16px;\">Property boards, event and venue signage and floor standing displays<\/td>\n<\/tr>\n<tr style=\"background:#fff;\">\n<td style=\"padding:11px 16px;\">A0<\/td>\n<td style=\"padding:11px 16px;\">841 x 1189mm<\/td>\n<td style=\"padding:11px 16px;\">Full life size cutouts, standees, large format entrance signage and photo walls<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>None of the typical uses in that table override the actual instruction you were sent. The size of a conference or exhibition display panel is set by the event itself, not by us, and no two events use the same standard. Work from the dimension your organiser supplied rather than assuming a standard. Where the panel is larger than the board, the board is mounted to it rather than filling it, and the result still looks deliberate. The six sizes in the table are the complete online range. A size outside that list is a custom quote, not a dimension you can enter for an instant price. The flatbed printer has a maximum sheet of 1200 x 2400mm. The <a href=\"https:\/\/printshop.paperlust.co\/blog\/foam-board-sizes-a4-to-a0\">foam board sizes from A4 to A0<\/a> guide walks through every option in detail for when you are matching against a specific panel measurement.<\/p>\n<h2>10mm thickness, and why it matters more on a stand<\/h2>\n<p>Both thicknesses, 5mm and 10mm, are available in every size. The 5mm core is the standard depth and suits most indoor signage where the board is pinned or mounted once and left alone. The 10mm core doubles the depth, resists bowing on larger formats and gives a deeper visible white edge. It is the choice for A1, 600 x 900mm and A0, for boards handled repeatedly, and for free standing displays.<\/p>\n<figure class=\"wp-block-image size-large pl-fig\"><img decoding=\"async\" src=\"https:\/\/printshop.paperlust.co\/blog\/wp-content\/uploads\/2026\/08\/conference-poster-boards-2.jpg\" alt=\"Large printed foam board panel upright on a slim black floor easel, its white cut edge visible against grey carpet at an exhibition stand\" class=\"wp-image-5120\" width=\"1536\" height=\"1024\" data-no-lazy=\"1\" srcset=\"https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-2.jpg 1536w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-2-300x200.jpg 300w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-2-1024x683.jpg 1024w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-2-768x512.jpg 768w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-2-650x433.jpg 650w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-2-624x416.jpg 624w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><figcaption class=\"wp-element-caption\">On this kind of support the panel is held at the base, so the thicker white edge is doing the work the top cannot.<\/figcaption><\/figure>\n<p>The stand setting pushes you toward the thicker core for a reason that has nothing to do with aesthetics. A board that gets carried into the car, propped against a wall while you register, moved between sessions, carried again and set down for the third time is exactly the handled repeatedly case the 10mm option exists for. The extra depth makes the board less likely to flex and bow as it moves. If you are ordering <a href=\"https:\/\/printshop.paperlust.co\/products\/foam-board\">foam board printing in Australia<\/a> for a poster session, the standard 5mm is still fine for smaller formats. For a tall board next to you all day, go 10mm.<\/p>\n<h2>The strut, and the trade you make<\/h2>\n<p>Strut Backing is a fold out cardboard support fixed to the reverse face, turning the board into a free standing display with no easel required. It is available on every size including A0, priced per board. Because the strut sits on the back, it works only on one sided boards. That single limitation is the decision point for most people at a conference or exhibition.<\/p>\n<p>Double sided printing puts artwork on both faces, which suits free standing and hanging displays, signage seen from both directions, and a second message or second language on the back. One sided printing leaves the reverse face plain white while the front carries full colour artwork. If your stand is seen from both aisles, or you need one face in English and one in another language, double sided earns its place. But a board that has to be read from both sides cannot be paired with a strut; it needs something else to hold it upright. A strut and double sided printing cannot be combined. The choice is between a board that stands on its own with a plain white back, and a board that reads both ways but depends on external support. A flat panel with a strut is a different object from a shaped <a href=\"https:\/\/printshop.paperlust.co\/products\/point-of-sale-standees\">point of sale standees<\/a> display, which is built to hold itself up from the base.<\/p>\n<h2>Indoor only, and the walk from the car park<\/h2>\n<p>A rigid board does not roll. That is the thing to plan around before you order A0. Measure the boot of the car you will actually drive, because the board keeps its full flat dimensions and will not fit in a poster tube. This is a property of the substrate, not a packing suggestion you can work around.<\/p>\n<figure class=\"wp-block-image size-large pl-fig\"><img decoding=\"async\" src=\"https:\/\/printshop.paperlust.co\/blog\/wp-content\/uploads\/2026\/08\/conference-poster-boards-3.jpg\" alt=\"A large printed foam board panel carried upright through a venue foyer, its white cut edge visible and printed side facing forward\" class=\"wp-image-5121\" width=\"1536\" height=\"1024\" data-no-lazy=\"1\" srcset=\"https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-3.jpg 1536w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-3-300x200.jpg 300w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-3-1024x683.jpg 1024w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-3-768x512.jpg 768w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-3-650x433.jpg 650w, https:\/\/blog.printshop.paperlust.co\/wp-content\/uploads\/2026\/08\/conference-poster-boards-3-624x416.jpg 624w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><figcaption class=\"wp-element-caption\">Carried clear of the floor and away from the glass, the panel avoids the one patch of weather an indoor board will ever meet.<\/figcaption><\/figure>\n<p>The second consequence is the one this reader needs most. Foam board cannot go outside. It is indoor use only. The foam core is not weatherproof and is sensitive to heat and moisture, which can cause warping and surface damage. The core is heat affected at 85 degrees Celsius and above. That means a closed car in a summer car park is already a risk, and the walk from the car park to the venue in the rain is where an indoor board is lost. A few minutes of moisture on the edge is enough to start the surface lifting. If your event day looks like rain, carry the board in a plastic sleeve or on a covered trolley. That is not fussiness; it is the difference between arriving with a board and arriving with a problem.<\/p>\n<p>When you do need a weatherproof face, corflute is the recommendation: a rigid weatherproof corrugated plastic. Our <a href=\"https:\/\/printshop.paperlust.co\/blog\/pvc-foam-board-vs-acrylic-signs\">foamed PVC signage boards<\/a> comparison walks through another rigid option with better outdoor resistance. If the venue panel is supplied and you only need to fix your board to it, the options are covered under <a href=\"https:\/\/printshop.paperlust.co\/blog\/poster-mounting-display-options\">mounting a poster on a rigid board<\/a>.<\/p>\n<h2>How many boards and what one board costs<\/h2>\n<p>The quantity rungs are 1, 2, 3, 5, 10, 20, 50 and 100, with a published price at every break and no minimum order. That matters here because a poster session is usually one board. You can order exactly that without padding a small order with extras you will store forever. The entry price is $68.95 including GST for one A4 board at 5mm, printed one side, rectangle cut, no strut. The per board price falls substantially as quantity rises, so an exhibitor fitting out a stand should order the set in one run rather than in singles.<\/p>\n<p>Cutting is either Rectangle, trimmed square to the selected size, or Custom Shapes, a router cut following any outline. Supply artwork only; the team builds the cutting line, so no vector cut file is needed. Custom Shapes is charged per order, not per board, and suits a logo or arch topped stand panel. Intricate or three dimensional shapes go through custom quoting. Boards are made to order in Australia and delivered Australia wide. If you are ordering a set of <a href=\"https:\/\/printshop.paperlust.co\/products\/foam-board\">printed foam board display panels<\/a> for a stand, the set price sits at the intersection of the size you need and the quantity rung.<\/p>\n<h2>Frequently asked questions<\/h2>\n<h3>What size should I print a conference poster board, from A0 to A4?<\/h3>\n<p>The board comes in six standard sizes: A4 at 210 x 297mm, A3 at 297 x 420mm, A2 at 420 x 594mm, A1 at 594 x 841mm, 600 x 900mm, and A0 at 841 x 1189mm. The right size is the dimension your organiser supplied, because each event sets its own display panel size and there is no standard to assume. Check the measurement you were sent and order to it. A size outside those six is a custom quote, not an option you can select and price online.<\/p>\n<h3>Does the board stand on its own with a strut?<\/h3>\n<p>Strut Backing is a fold out cardboard support fixed to the reverse face, turning the board into a free standing display with no easel required. It is available on every size including A0 and priced per board. The support attaches to the blank back of a one sided board. A double sided board has no blank reverse, so a strut cannot be fitted to it, and it needs another way to stay upright.<\/p>\n<h3>Can the board be printed double sided?<\/h3>\n<p>Yes. Double sided printing puts full colour artwork on both faces, which suits free standing and hanging displays, signage seen from both directions, and a second message or second language on the back. One sided printing leaves the reverse face plain white while the front carries the artwork. The key limit is that Strut Backing can only be added when the back is blank, so a double sided board has no surface for the strut and must be held another way.<\/p>\n<h3>Can a poster board go outdoors?<\/h3>\n<p>No. Foam board cannot go outdoors. The foam core is not weatherproof and is sensitive to heat and moisture, which can cause warping and surface damage. The core is heat affected at 85 degrees Celsius and above. For outdoor signage the recommendation is corflute, a rigid weatherproof corrugated plastic. If rain is forecast, carry the board in a plastic sleeve or on a covered trolley.<\/p>\n<h3>How does a rigid board travel if it does not roll?<\/h3>\n<p>A rigid board cannot be rolled, so it keeps every millimetre of its flat shape from your car to the venue. It does not fit a poster tube. Before ordering A0, measure the boot of the car you will actually use. The board needs to lie flat or stand upright without bending. The 10mm core resists bowing on larger formats and is the better choice for boards handled repeatedly on the trip to a venue. You give up the tube, and you gain a panel that arrives without curl.<\/p>\n<h3>Can I order just one board?<\/h3>\n<p>Yes. The quantity rungs are 1, 2, 3, 5, 10, 20, 50 and 100, with a published price at every break and no minimum order. A single board can be ordered, which matters for a poster session where one panel is the whole job. The entry price is $68.95 including GST for one A4 board at 5mm, printed one side, rectangle cut, no strut. The per board price falls substantially as quantity rises.<\/p>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What size should I print a conference poster board, from A0 to A4?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The board comes in six standard sizes: A4 at 210 x 297mm, A3 at 297 x 420mm, A2 at 420 x 594mm, A1 at 594 x 841mm, 600 x 900mm, and A0 at 841 x 1189mm. The right size is the dimension your organiser supplied, because each event sets its own display panel size and there is no standard to assume. Check the measurement you were sent and order to it. 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