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Site, Traffic & Hoarding Signs

Danger Deep Excavations Sign Printing

from £26.07 ISO 7010 W008

Need "Danger Deep Excavations" on a wall, door or fence? Our danger deep excavations sign printing does it: one clear sign that warns of a drop into a dig, an edge or water, in 3 sizes and 3 boards.

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

Our danger deep excavations sign printing starts with one job: the sign warns of a drop into a dig, an edge or water. It earns its place in quaysides, ponds, pits, open edges and trenches.

The message

It reads "Danger Deep Excavations". The DANGER header is saved for hazards that can kill or badly injure, which is why it gets noticed over the everyday caution signs. The layout is a yellow triangle with a heavy DANGER heading, plus the ISO 7010 W008 symbol (drop (fall)).

Where to fix it

On the barrier around the hazard. Repeat the key signs along the hoarding so they can be seen from every approach, not just the main gate.

The right size for danger deep excavations 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. Pick bigger for car parks, yards and long runs of corridor.

Danger deep excavations sign printing: choosing the board

Our danger deep excavations sign printing comes on three kinds of board:

  • 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

Correx for temporary jobs, Foamex for indoors, Dibond for anything staying outside for years.

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.

Upload your own file, lay it out in the online designer, or hand it to our paid artwork service, which includes 1 design and 2 rounds of changes. A person gives every file a free check first. Each danger deep excavations sign printing job is printed to order and sent out from the UK. Delivery to a UK mainland address is £7.95, or free once the order passes £100 after any discount (artwork fees are not counted). Mainland Highlands postcodes add £10; Northern Ireland, the islands, the Isle of Man, the Channel Islands, Scilly and the Isle of Wight are quoted. Full details are on the delivery page.

Also worth a look: 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 referenceW008 (Drop (fall))
MessageDanger Deep Excavations
Sign typeDanger
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-072
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 danger deep excavations sign printing.

Which size of Danger Deep Excavations sign can be read from across the room or yard?

Measure the distance first, then match it: 12 m calls for A3 landscape (420 × 297 mm), 17 m calls for A2 landscape (594 × 420 mm) and 24 m calls for A1 landscape (841 × 594 mm). Traffic, dim corners or glare all justify going one size bigger. The largest, A1 landscape (841 × 594 mm), is the choice for wide open spaces.

Which ISO 7010 symbol is on the Danger Deep Excavations sign?

It carries W008 (Drop (fall)) from ISO 7010, printed with the words "Danger Deep Excavations". The symbol artwork itself is public domain.

Where is the best place to put the "Danger Deep Excavations" sign?

Put it on the edge barrier around the hazard. Check nothing will stand in front of it, like open doors, stacked stock or parked vans.

Does the law say I must put up a Danger Deep Excavations sign?

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. Your risk assessment is what decides the exact positions for "Danger Deep Excavations".

Is the price shown for the "Danger Deep Excavations" sign the full price?

Yes, for the goods. The figure on the page is the one you pay at checkout. Mainland UK delivery adds £7.95 to the basket, and nothing once the goods reach £100 after any discount code.

Can I buy more than one Danger Deep Excavations sign?

Yes, change the quantity before you check out; every sign is made to order. Need a big mix of different signs for a school, club or site? Use the Get a quote page. Postage to the UK mainland is £7.95 per basket, not per item, and free when your goods total £100 or more.

Will the Danger Deep Excavations sign survive outdoors?

Yes, if you order it in Dibond or Correx; both cope with rain. Foamex is better kept indoors or somewhere sheltered. Pick the material in the options before you order.

Asked by buyers

How cheaply can I get hold of the Danger Deep Excavations Sign?

Picked the way the page first loads, with A3 landscape (420 × 297 mm) and 3.5mm Correx, the Danger Deep Excavations 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 Danger Deep Excavations Sign?

Allow 5 working days on Saver, 3 on Standard or 2 on Express before the Danger Deep Excavations 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.

Which artwork services are offered with the Danger Deep Excavations Sign?

Several routes, all chosen under Artwork on this page. Send your own finished file (no charge), we set your words and logo on a tidy layout, called typesetting (£15), we design it from your brief (£35), we redraw a blurry or low quality logo as sharp vector art (£30) or we create a brand new logo (£50). Typesetting and design from a brief each come with one first draft and two rounds of changes. The fee is the same whatever quantity you order and shows separately in the basket. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx.

Dibond, Foamex or Correx: which should we pick for a Danger Deep Excavations Sign?

Decide by where "Danger Deep Excavations" 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 sizes can the Danger Deep Excavations Sign be printed in?

The table has 3 sizes. At the small end, A3 landscape (420 × 297 mm) costs from £27.52; at the top, A1 landscape (841 × 594 mm) costs from £54.24. Each figure is for the cheapest set of options at that size. Unsure? Measure where it will go and check the view from the spot people will stand. 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, Danger Deep Excavations Sign leaves us after 5 working days on Saver.

Which size of the Danger Deep Excavations Sign can people read from further away?

Rough reading distances for "Danger Deep Excavations": 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 Danger Deep Excavations Sign?

Picture someone arriving at a building job, a house extension or a self-build plot who needs to see "Danger Deep Excavations". 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 Danger Deep Excavations Sign giving?

Start with the symbol on "Danger Deep Excavations". W008 is the ISO 7010 pictogram for drop (fall), so even someone without much English gets the gist at a glance. The design follows the danger sign pattern, used to mark out a serious hazard. 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 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. Before delivery, this sign costs from £27.52. Material choices for Danger Deep Excavations Sign: 3.5mm Correx, 3mm Foamex or 3mm Dibond aluminium composite.

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 "Danger Deep Excavations" the sizes are A3 landscape, A2 landscape and A1 landscape. Nothing is printed ahead of time: each sign is made to order for you.

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, Danger Deep Excavations Sign is listed in 3 sizes, the smallest being A3 landscape (420 × 297 mm).

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. 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.

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.

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 Danger Deep Excavations 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.

Our event is close. Can the Danger Deep Excavations Sign be rushed?

Yes. Choose Express and the Danger Deep Excavations 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.

I am not a designer. What if the file I send turns out to be unusable?

That is why a person looks at every upload before anything is printed. Typical snags are a document at the wrong size, missing bleed, blurry photos and words sitting too near the trim. If we spot one, we explain what to change and you send a fresh file. Or hand it over to us: for £15 our typesetting places your wording and logo on a neat layout, with one first draft and two rounds of changes. Make the artwork for this sign the same size as the one you order, such as A3 landscape (420 × 297 mm).

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).

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. 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, Danger Deep Excavations Sign leaves us after 5 working days on Saver.

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, Danger Deep Excavations Sign leaves us after 5 working days on Saver.

Can the wording on a Danger Deep Excavations Sign be changed, or our logo added?

Yes. To reword "Danger Deep Excavations" 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. For this sign, the material can be 3mm Dibond aluminium composite, 3mm Foamex or 3.5mm Correx.

What thickness is the Danger Deep Excavations 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. Before delivery, this sign costs from £27.52. For reference, Danger Deep Excavations Sign is listed in 3 sizes, the smallest being A3 landscape (420 × 297 mm).

Would the Danger Deep Excavations Sign be useful for builders and contractors?

Yes: the Danger Deep Excavations 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 Keep Out Site Banner and Caution Falling Debris Sign. One basket can hold the lot, and delivery is free once the goods reach £100.

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: Danger Drop Sign and Danger Men at Work 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.

Will a Danger Deep Excavations Sign cope with rain and wind outdoors?

Rain is rarely the problem for "Danger Deep Excavations"; 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 Danger Deep Excavations 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. Nothing is printed ahead of time: each sign is made to order for you. On this page, Danger Deep Excavations Sign starts from £27.52.

What is the easiest way to put up a Danger Deep Excavations Sign?

To mount "Danger Deep Excavations" 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 Danger Deep Excavations 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, Danger Deep Excavations Sign leaves us after 5 working days on Saver.

Do we legally have to display a Danger Deep Excavations Sign?

Your risk assessment answers that one for "Danger Deep Excavations". 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 W008.

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. Before delivery, this sign costs from £27.52. Nothing is printed ahead of time: each sign is made to order for you. For reference, Danger Deep Excavations 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 Danger Deep Excavations 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.

Can I pay for the Danger Deep Excavations Sign by card as a guest?

Yes. Guest checkout is fine, and any debit or credit card works. Stripe processes the payment for us, which keeps your card number off our system entirely. We begin making this sign once the payment has cleared and the artwork is confirmed. Large or out of the ordinary jobs can be quoted first from the Get a quote page. 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 its opening option, Danger Deep Excavations Sign leaves us after 5 working days on Saver.

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. Nothing is printed ahead of time: each sign is made to order 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.

Can I send this sign back if I no longer need it?

If it arrives faulty, damaged or not what you ordered, yes: under the Consumer Rights Act 2015 we reprint or refund. A change of mind is different. Each order is made to your specification, and reg. 28(1)(b) of the Consumer Contracts Regulations 2013 takes those goods out of the 14-day right to cancel. Before production starts, though, you can cancel for all your money back. Nothing is printed ahead of time: each sign is made to order 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.

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. 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.

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. 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.

The parcel turned up damaged. How do I sort it out?

Take photos of the damage and the box it came in, then send them through the contact form within 48 hours of delivery, with your order number. Hold on to the item rather than posting it back; we reply and arrange a reprint or refund. This sits alongside your legal rights, which the returns page covers. Choose Saver and this sign leaves us after 5 working days; Express brings that down to 2. Before delivery, this sign costs from £27.52. On its opening option, Danger Deep Excavations Sign leaves us after 5 working days on Saver.

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. 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).

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. Nothing is printed ahead of time: each sign is made to order for you.

Could the Danger Deep Excavations 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, Danger Deep Excavations Sign leaves us after 5 working days on Saver.

What is the safest way to clean this sign?

Treat "Danger Deep Excavations" 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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