Safety Signs Printed Today
020 3375 6674 info@silverimagelondon.com Open 24 hours, 7 days a week — call or email and we will tell you what is possible today.
Health and safety signs, warning signs and construction site signage printed in London the same day. ISO 7010 pictograms or your own artwork, on Correx for outdoor site use or Foamex for indoor and sheltered positions. Standard sizes from 400×300 mm up to full entrance boards, drilled and ready to fix — collection round the clock or courier across Central London.
Every job is quoted on its specification. Send us the list and we will come back with a firm figure.
| Category | Shape and colour | What it says | Typical site use |
|---|---|---|---|
| Prohibition | Red circle with a diagonal bar, black symbol on white | Do not | No entry, no smoking, no unauthorised persons |
| Warning | Yellow triangle, black border and symbol | Hazard present | Overhead loads, deep excavation, forklift traffic |
| Mandatory | Blue circle, white symbol | You must | Hard hats, hi-vis, eye and ear protection |
| Safe condition | Green rectangle, white symbol | This way to safety | Fire exits, assembly points, first aid |
| Fire equipment | Red rectangle, white symbol | Equipment is here | Extinguishers, hose reels, call points |
The symbols above show the category form — the shape and colour that carry the meaning. They are illustrations, not the certified artwork: your sign is printed from the ISO 7010 pictogram you supply, and the on-screen colours here are approximations of the ISO 3864 safety colours rather than production values.
Choosing the board before you choose the size
Most reprints happen because the wrong material went outside, not because the artwork was wrong. Correx is the site material. It is fluted polypropylene — waterproof, light, cheap enough to treat as consumable, and it takes a cable tie through the flute without tearing. Rated 6 to 12 months outdoors, which is the right lifespan for a compound that will move before the year is out.
Foamex is the indoor and sheltered board. Rigid, flat, and it stays flat, which matters for a notice board or a wall-fixed permit display. It is not an outdoor material in an exposed London winter, and putting it on a perimeter fence is the most common way to end up printing the job twice.
Dibond is what goes on a building. Aluminium composite, rated 5 to 10 years outdoors, screwed rather than tied. It is made to order rather than same day, because the panel is bonded and the lead time is confirmed with the quote.
The same three boards carry wayfinding signs, but the choice flips: a direction sign is read while walking past, so it is sized for distance rather than for the wall it sits on, and it usually goes on Foamex or Dibond because it stays up long after the safety notice has been replaced.
Which material you need is usually decided by the site, not the budget. Compounds and perimeter hoardings out at Stratford and Wembley Park take Correx and expect to replace it; the fixed entrances and permanent gate boards at The O2 take Dibond, because a sign that is reprinted twice a year on a building looks like a building that is not being looked after.
The sizes fixings are built around
400×300 mm and 600×450 mm cover most individual notices. 800×600 mm and 1200×900 mm are the usual entrance-board sizes, where several pictograms sit on one panel under a site name. We are not limited to these, but existing frames, clips and fixing patterns are built around them — so a non-standard size is worth choosing deliberately, not by accident.
Why pictograms and not just words
ISO 7010 exists because a shape and a colour are understood before anyone reads. A red circle with a bar through it says do not to a person who has been on site for ten minutes and does not read English. That is not a design preference; it is the entire reason the standard was registered and harmonised.
The same logic decides the shape before the wording. Warning signs are a yellow triangle, mandatory signs a blue circle, fire safety signs a red rectangle — get the category right and the sign works at twenty metres; get it wrong and it reads as decoration.
We print what you send. If your artwork is text-only we will produce it exactly as supplied — but on a mixed site a pictogram does work that a sentence cannot, and it is worth knowing that before the inspection rather than after.
Send the pictogram as vector wherever you have it. Safety symbols are simple geometry, which means a low-resolution copy pulled off a web page shows its edges immediately at 600 mm wide. Vector artwork carries no resolution at all and scales to any size without loss.
Fixing, and what we do not do
We print, cut and finish. We do not install. That is worth saying plainly, because a signage company and a print company are different things and the difference usually surfaces at the wrong moment. Corner holes are drilled where you ask for them, positioned to your fixing centres if you tell us what they are.
Collection is available around the clock, and courier across Central London is within 1 hour of dispatch. For a set that has to be up before the morning briefing, send the files and payment by 21:00 and we will have them printed overnight — subject to capacity and the size of the run.
Replacing a sign that already exists on site? Photograph it with a tape measure in frame and tell us the board thickness. Matching the fixing pattern matters more than matching the exact shade, because a replacement that misses the existing holes gets drilled a second time.
Artwork specifications
Bleed, safe margins, colour, resolution, file format
| Requirement | What we need | Why |
|---|---|---|
| Bleed | 5–10 mm on every edge | |
| Safe margin | Text and symbols 5 mm inside the trim, more where corners are drilled | A drilled hole 8 mm in from the edge will take a bite out of anything sitting at the margin. Tell us the fixing centres and we will keep the artwork clear of them. |
| Colour mode | CMYK, not RGB | Safety colours are the meaning, not decoration. Send the Pantone references for the red, yellow, blue and green if you have them, because an RGB green converting to a duller green is a sign that reads wrong. |
| Resolution at final size | 150 dpi at the finished size | The floor we will still print is 72 dpi where the artwork is built at actual size, 1:1. Resolution is measured on the printed board, not inside the file: a file built at 1:10 and 300 dpi lands at 30 dpi once printed full size. Vector pictograms carry no resolution at all. |
| File format | PDF preferred — but send what you have | We accept virtually any artwork format and check every file in-house before production. If anything needs adjusting we will tell you immediately, before we print. |
| Fonts | Outlined | Outlined removes any font substitution risk on an overnight job. |
| Images | Embedded in the PDF | Linked images that did not travel with the file are a common cause of a job stalling. |
Before you upload
- Export a print-ready PDF, vector wherever possible
- Convert fonts to outlines
- Extend backgrounds into the bleed
- State the board material and thickness with each size
- Say where you want holes, or that you do not want them
- Check the resolution at the finished size, not in the file
Q&A
Can you print safety signs the same day?
Yes, on Correx and Foamex foam board. Both are cut and printed here, so a set of site safety signs sent in the morning is normally ready the same afternoon, and files sent in the evening are printed overnight. Dibond is made to order because the panel is bonded aluminium and the lead time is confirmed with the quote.
Do the signs have to use ISO 7010 symbols?
We print what you supply. ISO 7010 is the registered set of safety pictograms and using it means the sign reads the same to someone who does not speak English, which is the reason it exists. If you send text-only artwork we will print it, but on a mixed site a pictogram does the work that words cannot.
Which material should site signage be printed on?
Correx for anything on a fence, a hoarding or a compound gate: it is fluted, waterproof, light enough to cable-tie and rated 6 to 12 months outdoors. Foamex for indoor and sheltered positions where the board is handled or wall-fixed. Dibond where the sign is permanent and screwed to a building.
What sizes do site safety signs normally come in?
400x300mm and 600x450mm cover most individual notices; 800x600mm and 1200x900mm are the usual sizes for a site entrance board carrying several pictograms. We are not limited to those, but they are what fixings and existing frames are built around, so a non-standard size is worth choosing on purpose rather than by accident.
Do you fit the signs?
No. We print, cut and finish, including drilled corner holes where you ask for them. Fitting is yours or your contractor's. Collection is available around the clock and courier delivery runs across London, typically within 1 hour of dispatch in Central London.
Can you match an existing sign we already have on site?
Usually yes. Send a photograph with a tape measure in frame and tell us the board thickness. Matching the size and the fixing pattern matters more than matching the exact shade, because a replacement that does not fit the existing holes gets drilled twice.
Often ordered with this
Key facts: ordering tonight
- Open 24 hours, 7 days a week, including Saturdays, Sundays and bank holidays.
- Print production runs 24/7; the walk-in counter serves the day and evening, and the status bar at the top of the page shows live whether it is open right now.
- Files and payment received by 21:00 → overnight production for delivery before 9am the next morning, subject to that night’s capacity; we confirm at quotation whether the run fits.
- No fixed overnight cap: tell us the quantity and we say at quotation whether it can be done in time.
- Overnight jobs are normally couriered to arrive before your office opens; collection is arranged around your arrival time — call before you set off after 8pm so the job is bagged and waiting at the counter.
- No minimum for walk-in jobs during the day — one copy is a normal job. Out-of-hours collection or delivery carries a £95 minimum plus courier if required.
- Same-day and overnight courier delivery across London, most often EC1–EC4, W1, WC1–WC2, E14 and SW1.
- Exhibition delivery to ExCeL, Olympia, the Business Design Centre and other venues: send us the hall, your stand number, the named person on the stand and their mobile, and the build-day or opening time you need it by; we deliver to the stand.
- Send what you have: we check the artwork before anything goes on press and tell you what to fix; a print-ready PDF (CMYK, 3 mm bleed) is the fastest route.
- Quotes come with a secure payment link — Visa, Mastercard, Amex, Apple Pay, Google Pay, PayPal and Klarna; production starts once payment is in.
- Courier delivery within London is usually in the region of £35–45, depending on the postcode and which courier is free; the exact figure is on your quote and is added to the job price.
- A proof is available on request; when we design the artwork you always get a final proof to approve. Print-ready files are printed on site and our operator checks the run against a printed proof sample before it leaves.
- Before we accept an urgent job we look at what could go wrong with the file, the stock and the finishing, and plan so that a reprint would still fit inside your deadline.
- Every order has a dedicated member of staff and an agreed completion deadline; we do not run an e-commerce queue, so the time we give you is for your job.
- Bank transfer is accepted alongside the payment link: tell us when you have sent it — the job goes to production once accounts confirm it has arrived.
- Outside London and towards the M25 courier costs more: we check with the couriers and confirm the price with you before booking.
Send us the sign list
Give us the sizes, the quantity, the material and when you need it. We come back with a firm price, and we check the artwork before anything goes on press.
Open 24 hours, 7 days a week. Call before you set off after 8pm so we have your job ready at the counter.
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