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Site, Traffic & Hoarding Signs

No Unauthorised Entry Sign Printing

from £26.07 ISO 7010 P004

No unauthorised entry sign printing, made to order: a prohibition sign that tells anyone without business there to stay out. Sizes run from A3 landscape (420 × 297 mm) up to A1 landscape (841 × 594 mm), on 3.5mm Correx, 3mm Foamex or 3mm Dibond.

Turnaround
…Working out your price

Price is final, no surprises at checkout. UK delivery £7.95, free over £49.99 this week. Scottish Highlands +£10; islands and NI quoted.

Artwork

Design fees are fixed, shown as their own line in your basket, and cover the whole quantity of this item. You can also upload later: we email you after you order.

Charity, school, club or place of worship? up to 10% off every orderBusiness? up to 5% off your first order

  • Free UK delivery over £49.99 this week
  • Dispatch from 2 working days
  • Printed in the UK

Overview

If "No Unauthorised Entry" needs saying clearly, this is the sign, and no unauthorised entry sign printing is what we do. It tells anyone without business there to stay out, and you will find it in private land, plant rooms, compounds and building sites.

What the sign says

It reads "No Unauthorised Entry". Red ring with a bar through it means "do not". People read it before they read the words. The layout is a red ring and bar, with the wording on a white panel, plus the ISO 7010 P004 symbol (no thoroughfare).

Where it goes

On each gate and entrance, then at intervals along the boundary. Repeat the key signs along the hoarding so they can be seen from every approach, not just the main gate.

The right size for no unauthorised entry sign printing depends on the reading distance. Reading distance is worked out from the sign’s short side: about a metre for every 25 mm, the distance factor from ISO 3864-1. That makes A3 to about 12 m, A2 to about 17 m and A1 to about 24 m. Anything read from a distance or a moving vehicle wants the larger sizes.

No unauthorised entry sign printing: which material

There is a board for each kind of spot in our no unauthorised entry sign printing range:

  • 3.5mm Correx, the fluted plastic board: light, waterproof and cheap to replace, which is why it is the site-sign favourite
  • 3mm Foamex, a rigid PVC foam board that screws or sticks up easily and is happiest indoors or out for a season
  • 3mm Dibond, aluminium skins on a solid core, the one to pick for a sign that stays outside for years

Short job, Correx. Indoors, Foamex. Long job outdoors, Dibond.

Site signs get knocked, splashed and blown about, so Correx or Dibond usually makes more sense on a live job than Foamex.

On a construction job the Construction (Design and Management) Regulations 2015 make the principal contractor responsible for keeping unauthorised people out, and boundary signs are part of how that is done.

Send a print-ready PDF, build it in the online designer, or pay for our artwork service (you get 1 design and 2 rounds of changes). Whichever you pick, a person checks the file before it prints. Every no unauthorised entry sign printing order is made to order and dispatched from the UK. Postage is £7.95 to the UK mainland and free over £100, worked out after discounts and not counting artwork fees. The Highlands add £10, and addresses in Northern Ireland, the Scottish islands, the Isle of Man, the Channel Islands, Scilly or the Isle of Wight get a quote. Full details are on the delivery page.

Close relatives: construction site signs and everything in site, traffic & hoarding signs. Stuck on the choice? Our guide to safety sign colours helps.

Sizes and prices

Smallest first. Tap a price to load that size into the buy box.

Size3.5mm Correx3mm Foamex3mm Dibond aluminium composite
A3 landscape · 420 × 297 mm
A2 landscape · 594 × 420 mm
A1 landscape · 841 × 594 mm

Final prices per item with the lowest-priced options. UK delivery £7.95, free over £49.99 this week. Choose a price to load it into the price calculator.

Specs

Materials, sizes and finishing.

ISO 7010 referenceP004 (No thoroughfare)
MessageNo Unauthorised Entry
Sign typeProhibition
Materials3.5mm Correx, 3mm Foamex and 3mm Dibond aluminium composite
SizesA3 landscape (420 × 297 mm), A2 landscape (594 × 420 mm), A1 landscape (841 × 594 mm)
Viewing distanceA3 landscape: 12 m, A2 landscape: 17 m, A1 landscape: 24 m
PrintFull colour, single sided
Made byMade to order and dispatched from the UK
SKUFP-SIT-153
PriceFinal price shown in the configurator. No surprises at checkout.
DeliveryUK mainland £7.95 per order, free over £49.99 this week. Scottish Highlands +£10; islands and NI quoted.
Artwork checkFree file check on uploaded artwork (resolution, size and bleed).

Which size do I need?

A safety sign must be large enough to read from where people will see it. Our conservative guide, based on the distance-factor method in ISO 3864-1, is about 1 metre of viewing distance for every 25 mm of sign height (the shorter side). Use it with your own risk assessment.

SizeReadable from up to about
A3 landscape (420 × 297 mm)12 m
A2 landscape (594 × 420 mm)17 m
A1 landscape (841 × 594 mm)24 m

Well lit or internally lit signs can be read from further away; dim areas need larger signs.

Questions

Quick answers about no unauthorised entry sign printing.

What size do I need so people can read "No Unauthorised Entry"?

Go by reading distance rather than wall space. In normal light, A3 landscape (420 × 297 mm) covers 12 m, A2 landscape (594 × 420 mm) covers 17 m and A1 landscape (841 × 594 mm) covers 24 m. Choose one size up if people pass quickly or the area is poorly lit.

Which ISO 7010 symbol is on the No Unauthorised Entry sign?

It carries P004 (No thoroughfare) from ISO 7010, printed with the words "No Unauthorised Entry". The symbol artwork itself is public domain.

Where should the "No Unauthorised Entry" message go so people act on it?

The right place is at each gate and way in, then repeated along the boundary so it can be seen from any side. Check nothing will stand in front of it, like open doors, stacked stock or parked vans.

Am I legally required to display "No Unauthorised Entry"?

Under the Construction (Design and Management) Regulations 2015 the principal contractor has to stop unauthorised people getting onto the site. Signs at the boundary are part of how that is done. Where signs go is set by your own risk assessment.

How soon will the No Unauthorised Entry sign reach me?

Standard takes 3 working days to make, or Express 2 working days. After that, allow 1 to 3 working days with the courier; you get tracking by email. Postage to the UK mainland is £7.95 per basket, not per item, and free when your goods total £100 or more.

Could the No Unauthorised Entry sign say something different, or carry our logo?

This one is printed exactly as shown, but a version with your own wording is possible. Tell us the text you want in place of "No Unauthorised Entry", plus any logo or site details. Use the question box on this page, or the Get a quote page for a bigger job, and we will quote it.

Asked by buyers

How cheaply can I get hold of the No Unauthorised Entry Sign?

Picked the way the page first loads, with A3 landscape (420 × 297 mm) and 3.5mm Correx, the No Unauthorised Entry Sign comes to £27.52. Any other mix of options, a faster turnaround included, gets its own price the moment you choose it, and that figure is what you pay at checkout. Only delivery is left to add. On its own the opening price of £27.52 would add £7.95 for mainland delivery; reach £100 of goods and that goes to zero.

Which turnaround speeds can I choose for the No Unauthorised Entry Sign?

Allow 5 working days on Saver, 3 on Standard or 2 on Express before the No Unauthorised Entry Sign is handed to the courier, based on the options the page opens with. Weekends and bank holidays are not counted, and nothing starts until the order is paid and the artwork is confirmed. Pick another size or material and the days beside each speed update, sometimes by a day. After it leaves us, the courier normally delivers in one to three working days and you get the tracking link by email.

Dibond, Foamex or Correx: which should we pick for a No Unauthorised Entry Sign?

Decide by where "No Unauthorised Entry" is going and how long it has to last. Staying outside for years, or somewhere busy where it may get knocked? 3mm Dibond aluminium composite, with metal skins, is the tough one. Indoors or under a porch? 3mm Foamex gives a light, smooth board. Only needed outside for a few weeks, say on a fence? Go for 3.5mm Correx, which weighs little and shrugs off rain.

Which size of the No Unauthorised Entry Sign can people read from further away?

Rough reading distances for "No Unauthorised Entry": about 12 m for A3 landscape, 17 m for A2 landscape or 24 m for A1 landscape. The rule of thumb behind them: each 25 mm of height buys roughly one metre of distance. If the light is poor, or people pass quickly on foot or at the wheel, go for the next size up. The figures use the distance factor from ISO 3864-1, and your own risk assessment should settle the final choice. Sizes for this sign go from A3 landscape (420 × 297 mm) at the small end to A1 landscape (841 × 594 mm), 3 in all.

Where is the best spot for a No Unauthorised Entry Sign?

Picture someone arriving at a building job, a house extension or a self-build plot who needs to see "No Unauthorised Entry". Fix it by the way in and right where the hazard begins, so nobody can reach the risk without walking past it. Give it decent light and a clear line of sight, with nothing parked, stacked or swinging open in front of it. Keep a short list of where each sign went: it slots into your risk assessment records and makes the odd walk-round check quick. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx.

What message is a No Unauthorised Entry Sign giving?

Start with the symbol on "No Unauthorised Entry". P004 is the ISO 7010 pictogram for no thoroughfare, so even someone without much English gets the gist at a glance. The design follows the prohibition sign pattern (a red ring with a red bar across it), used to stop people doing something. That colour and shape code is laid down by the 1996 Safety Signs and Signals Regulations. Typical spots: a building job, a house extension or a self-build plot.

How much for the biggest size, A1 landscape (841 × 594 mm)?

From £54.24, with the cheapest settings and the Saver service. Material by material, it is 3.5mm Correx at £54.24, 3mm Foamex at £63.13 and 3mm Dibond aluminium composite at £88.40. Add £7.95 for UK mainland delivery, or nothing at all once the goods reach £100. Select it on the page and swap materials, finishes and speed to watch how the figure moves. Before delivery, this sign costs from £27.52. For reference, No Unauthorised Entry Sign is listed in 3 sizes, the smallest being A3 landscape (420 × 297 mm).

Could the total go up after I reach the checkout?

No surprises: what the page shows for this sign is the goods figure you pay at checkout. Delivery is the one extra, £7.95 to a UK mainland address, and it drops away when the goods reach £100 after discounts. Paid artwork help shows up as its own basket line, so you can check each amount before paying. Sizes for this sign go from A3 landscape (420 × 297 mm) at the small end to A1 landscape (841 × 594 mm), 3 in all. Nothing is printed ahead of time: each sign is made to order for you. On this page, No Unauthorised Entry Sign starts from £27.52.

Can I mix different safety signs in a single order?

You can. Each sign gets a separate basket line, with whatever size and board suit it, and you pay once at the end. Delivery is charged per order, not per sign: £7.95 to the UK mainland, or free once the goods come to £100 or more. For "No Unauthorised Entry" the sizes are A3 landscape, A2 landscape and A1 landscape. Before delivery, this sign costs from £27.52.

I am not a business. Can I buy just one sign?

Of course. Anyone can order, with no trade account and no minimum beyond one. Prices for the No Unauthorised Entry Sign begin at £27.52, checkout works without an account and you pay by card. Parents, clubs, churches and small shops order single items all the time. On its own the opening price of £27.52 would add £7.95 for mainland delivery; reach £100 of goods and that goes to zero.

I need several signs, some in different sizes. How do I buy them?

Each price on the page is for a single sign in the size and material chosen. Put the number you want in the box beside Add to basket and the total multiplies. For a different size or material, add it as a separate line; the basket keeps them apart. An artwork fee is charged once per line, whatever the quantity, and choosing to reuse the artwork from another item in your basket costs nothing more. Very large runs can go through Get a quote. Before delivery, this sign costs from £27.52. Nothing is printed ahead of time: each sign is made to order for you. Material choices for No Unauthorised Entry Sign: 3.5mm Correx, 3mm Foamex or 3mm Dibond aluminium composite.

How much does an A2 landscape (594 × 420 mm) sign cost?

From £36.41, with the cheapest settings and the Saver service. Material by material, it is 3.5mm Correx at £36.41, 3mm Foamex at £42.91 and 3mm Dibond aluminium composite at £61.17. Add £7.95 for UK mainland delivery, or nothing at all once the goods reach £100. Select it on the page and swap materials, finishes and speed to watch how the figure moves. Sizes for this sign go from A3 landscape (420 × 297 mm) at the small end to A1 landscape (841 × 594 mm), 3 in all. Material choices for No Unauthorised Entry Sign: 3.5mm Correx, 3mm Foamex or 3mm Dibond aluminium composite.

Our event is close. Can the No Unauthorised Entry Sign be rushed?

Yes. Choose Express and the No Unauthorised Entry Sign can be on the way in 2 working days on the opening option, for £36.71, where Saver is £27.52 and takes 5 days. Then give the courier one to three working days, and send the artwork with the order, because the clock does not run until the file is sorted. If the date is really tight, message us on the Contact page before paying and we will tell you honestly.

Someone else is putting our file together. How does it reach you?

Easiest route: they send the finished file to whoever placed the order, and it gets uploaded after ordering. Up to 3 files of 25 MB each are fine. They can also reach us through the Contact page, as long as they quote your order number so it lands on the right job. Production waits for the checked file, so a late file means a later dispatch date. Sizes for this sign go from A3 landscape (420 × 297 mm) at the small end to A1 landscape (841 × 594 mm), 3 in all. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx. On its opening option, No Unauthorised Entry Sign leaves us after 5 working days on Saver.

Can the wording on a No Unauthorised Entry Sign be changed, or our logo added?

Yes. To reword "No Unauthorised Entry" or add a logo, pick the typesetting option (£15) for your text and logo on a clean layout, or the design-from-your-brief option (£35), then send us the details. Both paid options include one first draft and two rounds of changes. Uploading your own print-ready file costs nothing, and someone on our team looks it over before printing. Leave the safety symbol and its colours untouched, though: altering them makes the meaning less clear. Sizes for this sign go from A3 landscape (420 × 297 mm) at the small end to A1 landscape (841 × 594 mm), 3 in all.

Will anyone look at my file before it is printed?

Yes, a real person on our team opens every uploaded file and checks the size, the bleed and the resolution. If something is off, you hear from us before anything is made. We print what you send, though, so read the spelling, numbers and dates yourself as well. Making starts when the order and the file are both confirmed. Sizes for this sign go from A3 landscape (420 × 297 mm) at the small end to A1 landscape (841 × 594 mm), 3 in all. Make the artwork for this sign the same size as the one you order, such as A3 landscape (420 × 297 mm). Material choices for No Unauthorised Entry Sign: 3.5mm Correx, 3mm Foamex or 3mm Dibond aluminium composite.

How many pixels does a photo need to print well on this sign?

Close-up items need about 300 dpi at full size. So an A1 landscape (841 × 594 mm) layout wants about 9,933 by 7,016 pixels. Keep lettering and logos as vectors if you can. An image copied off a web page or a social post rarely has enough pixels; if yours looks likely to print soft, our file check flags it. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx. On its opening option, No Unauthorised Entry Sign leaves us after 5 working days on Saver.

What thickness is the No Unauthorised Entry Sign, and does it feel sturdy?

That depends on the board you tick: Correx at 3.5 mm, Foamex at 3 mm and Dibond at 3 mm. Dibond feels stiff because a plastic core is sandwiched between two thin aluminium sheets, yet it is still simple to screw or stick up. Foamex is foamed PVC, so it weighs very little in the hand. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx. Nothing is printed ahead of time: each sign is made to order for you. For reference, No Unauthorised Entry Sign is listed in 3 sizes, the smallest being A3 landscape (420 × 297 mm).

We are putting up a full set of signs at our premises. Which ones sit well next to this one?

A school corridor, a shop floor or a club house rarely needs just one notice. Two that often go up beside this one: Keep Out Sign and No Unauthorised Access Sign. Keep every sign in one board type so the set matches, look up sizes and prices on each page, then check out once: one delivery charge for the whole basket, free over £100 of goods. You will also find this sign in our Builders & Construction section.

Would the No Unauthorised Entry Sign be useful for builders and contractors?

Yes: the No Unauthorised Entry Sign sits in our Builders & Construction section, next to other things builders and contractors buy for sites, extensions and renovations. Prices begin at £27.52. 3 sizes are listed, starting at A3 landscape (420 × 297 mm). The material choices are 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx. Also in that section: Danger Falling Objects Sign and Danger Overhead Hazard Sign. One basket can hold the lot, and delivery is free once the goods reach £100.

Will a No Unauthorised Entry Sign cope with rain and wind outdoors?

Rain is rarely the problem for "No Unauthorised Entry"; sunshine is. Every printed sign fades slowly in strong sun, so make a habit of checking outdoor ones and renew any that have faded too far. Dibond is the board to pick for a permanent outdoor home. Correx is waterproof and suits temporary outdoor use. Foamex copes with a covered spot but prefers life indoors. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx.

It gets dark early in winter. Can people still read the No Unauthorised Entry Sign in the evening?

Not in pitch darkness. Pick Correx, Foamex or Dibond and it is the same story: nothing on this page reflects headlights or glows by itself. Fix it where a street light, porch light or security lamp already shines, or fit a small light above it. Where a risk assessment asks for photoluminescent or reflective signs, those need to come from a specialist maker rather than from us. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx. Before delivery, this sign costs from £27.52. On this page, No Unauthorised Entry Sign starts from £27.52.

What is the easiest way to put up a No Unauthorised Entry Sign?

To mount "No Unauthorised Entry" on a wall, drill a hole near each corner of the board and screw it on with a washer under each head; stop once it feels snug, as Foamex in particular does not like being overtightened. Where drilling is not wanted, say on a painted door or a smooth wall inside, double-sided foam tape or sticky pads hold it well. The Correx version is simplest cable tied to a fence or fixed to a post. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx.

Does the material change the price of the No Unauthorised Entry Sign?

Taking the smallest size, A3 landscape (420 × 297 mm), as the example: 3mm Dibond aluminium composite at £47.58, 3mm Foamex at £32.83 and 3.5mm Correx at £27.52. Larger sizes follow a similar pattern, and the full grid sits in the size table further up the page. Think about where it is going first: a cheap material in the wrong spot can end up costing more. Before delivery, this sign costs from £27.52. On its opening option, No Unauthorised Entry Sign leaves us after 5 working days on Saver.

Do we legally have to display a No Unauthorised Entry Sign?

Your risk assessment answers that one for "No Unauthorised Entry". Where it shows a risk still remains after other steps, the 1996 Safety Signs and Signals Regulations say an employer must signpost it, and that applies to a cafe with two staff as much as a factory. Signs back up the other measures you take; they are never a substitute for them. The symbol on this sign follows ISO 7010, reference P004.

Do I have to register before I can buy?

There is no need to sign up. Pay as a guest with a bank card, handled securely by Stripe, and you still get an order confirmation email and a tracking email on dispatch. An account is optional; it just keeps your order history in one place. Before delivery, this sign costs from £27.52. Sizes for this sign go from A3 landscape (420 × 297 mm) at the small end to A1 landscape (841 × 594 mm), 3 in all. On its opening option, No Unauthorised Entry Sign leaves us after 5 working days on Saver.

I have spotted a typo after paying. Can it be fixed?

Tell us quickly through the Contact page, quoting your order number. Before production starts we can take a corrected file, or cancel and refund the whole order. After that it cannot be changed. A print that matches your finished design or the file you sent is not a fault, so it pays to read every word and number before you order. Nothing is printed ahead of time: each sign is made to order for you. Before delivery, this sign costs from £27.52. For reference, No Unauthorised Entry Sign is listed in 3 sizes, the smallest being A3 landscape (420 × 297 mm).

I am not sure which options to pick for this sign. Can someone advise me?

Yes. Type your question into the box on this page and a real person replies. Mention where the sign will be used, how long you need it to last and the date you need it by. Answered questions may be shown on the page for other buyers, so leave personal details out of it. Private questions can go through the Contact page, and anything the options here cannot price can go through the Get a quote page. Before delivery, this sign costs from £27.52. Nothing is printed ahead of time: each sign is made to order for you. For reference, No Unauthorised Entry Sign is listed in 3 sizes, the smallest being A3 landscape (420 × 297 mm).

I am ordering this sign for a school or charity. Do I need to open an account?

No account is needed. Guest checkout lets a parent, volunteer or club secretary order once and pay by debit or credit card through Stripe. The price you see is the price you pay at checkout, and the confirmation email you receive lists the items and the amount paid for your records. If the committee needs a price agreed before anyone pays, the Get a quote page is the better starting point. Before delivery, this sign costs from £27.52. Nothing is printed ahead of time: each sign is made to order for you. For reference, No Unauthorised Entry Sign is listed in 3 sizes, the smallest being A3 landscape (420 × 297 mm).

Do I pay delivery on each item in my basket?

No. One delivery charge covers the whole basket, so adding the No Unauthorised Entry Sign to other items does not add a second one. It is £7.95 to a UK mainland address and nothing once the goods total £100 after any discount code. Using the same design on two items? Pick the reuse-artwork option on the second one and you pay the artwork fee just once. Each line keeps its own size and quantity.

Next year we will want the same sign again. Is reordering easy?

Very. Choose the same product with the same options and upload the same file, and it is made again exactly as before. Save the final print file somewhere safe, as that makes a repeat order a two-minute job. Before you repeat it, read the wording again: dates, prices, opening times and contact details are the things that go out of date. Sizes for this sign go from A3 landscape (420 × 297 mm) at the small end to A1 landscape (841 × 594 mm), 3 in all. Before delivery, this sign costs from £27.52.

Who looks after me once I have bought the No Unauthorised Entry Sign?

FatPrint does, from start to finish. We take your order and payment, a person on our team checks your file, and the No Unauthorised Entry Sign is made to order for you rather than taken off a shelf. It then goes to you by courier, with tracking sent by email. Questions before or after ordering go through the box on this page or the Contact page, and a person replies.

Some of our visitors have poor eyesight. Will this sign be easy for them to read?

Three things help most: strong contrast between the words and the background, a plain bold font, and a size that matches how far away people will be. Our standard safety sign layouts use the high-contrast colour pairings laid down for safety signs. Mount the sign at eye height, where it is well lit and not catching glare, and keep the message short. Make the artwork for this sign the same size as the one you order, such as A3 landscape (420 × 297 mm). For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx. Material choices for No Unauthorised Entry Sign: 3.5mm Correx, 3mm Foamex or 3mm Dibond aluminium composite.

Bleed and dpi mean nothing to me. Can I still get printing done?

Yes. You do not need any print knowledge to order the No Unauthorised Entry Sign. Send us your words and logo with the typesetting option (£15) and we build the layout, then you get a first draft and two rounds of changes. Whatever you choose, a real person looks at the file before printing.

Can the No Unauthorised Entry Sign carry wording in two languages, for example English and Welsh?

Yes. Choose the typesetting option (£15) and send us the words in every language you want on it. That covers one first draft and two rounds of changes. We lay out the text exactly as you supply it but we do not translate, so have the translation done first. Leave the symbol and colours as they are, so the meaning is clear whichever language someone reads. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx. Make the artwork for this sign the same size as the one you order, such as A3 landscape (420 × 297 mm). For reference, No Unauthorised Entry Sign is listed in 3 sizes, the smallest being A3 landscape (420 × 297 mm).

Does a No Unauthorised Entry Sign come upright or wide?

"No Unauthorised Entry" is laid out in landscape format, available as A3 landscape, A2 landscape and A1 landscape. Wide layouts sit well on fences, over doorways and along corridors. Need it turned the other way? Choose one of the design options and we will rearrange it for you. Sizes for this sign go from A3 landscape (420 × 297 mm) at the small end to A1 landscape (841 × 594 mm), 3 in all.

The spot gets full sun all afternoon. Could this sign warp in the heat?

Foamex can, Dibond will not. A big, thin Foamex board warms up in direct sun and may bow, especially with fixings only at the corners. Dibond has aluminium faces and keeps its shape, so it is the sensible pick for a long-term outdoor sign. With Foamex, more fixings across a flat wall, or a thicker board, helps it stay straight. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx. Sizes for this sign go from A3 landscape (420 × 297 mm) at the small end to A1 landscape (841 × 594 mm), 3 in all. On its opening option, No Unauthorised Entry Sign leaves us after 5 working days on Saver.

Can I cut this sign down to size, or drill fixing holes, at home?

Yes, with ordinary tools. For Foamex or Correx, a sharp craft knife and a straight metal edge work: a few light passes, then snap or cut through. Dibond has aluminium skins and needs a fine-toothed saw. Drill slowly with a standard bit and stay at least 10 mm from any edge. Any cutting removes some of the bleed, so plan the layout with that in mind. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx. Sizes for this sign go from A3 landscape (420 × 297 mm) at the small end to A1 landscape (841 × 594 mm), 3 in all. On its opening option, No Unauthorised Entry Sign leaves us after 5 working days on Saver.

Could the No Unauthorised Entry Sign go on a door, say an office or classroom door?

Start with the position: eye level, on the push side or on the wall next to the frame, so the message is still visible with the door open. Fix it with double-sided foam tape or screws. A 3mm Foamex board on foam tape also sits well on a flat door. On a fire door, get the go-ahead from whoever looks after the building before any screws go in. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx. On its opening option, No Unauthorised Entry Sign leaves us after 5 working days on Saver.

What is the safest way to clean this sign?

Treat "No Unauthorised Entry" gently: a soft cloth and soapy warm water, a rinse, then a dry. Strong cleaners, solvents and scourers can take the shine off the print or lift it, so leave them in the cupboard. Store spares flat, not leaning, to stop them bowing. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx.

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