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Shop today for this Glow In The Dark Keep Locked Shut Sign with FREE 1ST CLASS DELIVERY on all UK online orders over £25 (excl VAT).

Fire safety signs | Fire door signs | Glow in the dark signs

Glow In The Dark Keep Locked Shut Sign

This sign complies with British Standard BS5499-2:1986.

This Class B* photo-luminescent sign charges itself in normal daylight and glows in darkness in the event of an emergency situation such as a power failure.

Manufactured in the UK by The Sign Shed from durable 1.3 mm rigid plastic.

*Surpasses PSPA class B (50/7-900 DIN 67510).

Click here to download the product data sheet for this product.

Text colour: White
Text background colour: Blue
Sign Orientation: Square

Safety symbol type: Padlock mandatory circle

What type of sign is this?

This is a fire safety safe condition sign. This health and safety sign is there to provide instruction and indication of safety equipment or the location of safe areas in a building. It is a photo-luminescent sign (glow in the dark sign) and conforms to the PSPA Class B standard and ISO / EN7010. Made in Great Britain by The Sign Shed.
Product type: Emergency & Exit Signs

What Safety Signs Material Would We Recommend?

This is The Sign Shed guide to choosing a sign material

All our signs are manufactured in our Yorkshire HQ, so we're proud to state that they're MADE IN BRITAIN. Here, we'll help you decide which type of material is best suited for your signs.  


Recycled Plastic Signs

We are the first online UK sign manufacturer to offer our full product range of health and safety signs and general signage in a 50% recycled plastic. This new bright white waterproof PVC is suitable for both indoor and outdoor use. It offers the surface qualities of rigid and foamed plastic with a lighter recycled foam PVC centre. Our competitors quote thicknesses of between 0.9mm and 1.5mm. So with The Sign Shed you get 3mm thick RECYCLED PVC for the same price as the "thinner" alternatives you may find elsewhere online.

It offers an excellent printing surface, ideal for a huge range of signage uses and it's better for the environment. For more information click here.

The plastic can be drilled for fixing holes or foam adhesive pads can be used on the back to stick it to a surface.


Metal Signs (Composite Aluminium)

This is designed for outdoor signage use. Aluminium composite material consists of two thin aluminium sheets bonded to a non-aluminium core. It is the industry standard material for outdoor signage. It can be drilled for fixing holes with relative ease. Request pre-drilled holes when ordering and we'll do it for you, free of charge! We use 3mm thick composite aluminium, Made in Britain by ALUPANEL. For more details on the aluminium composite material click here.


Wood Signs

The Sign Shed uses a prime natural American White Oak for its range of wooden signs.

We recommend the 12mm thick option for indoor signs and the thicker 18mm version for outdoor signage.

Each sign in the range is digitally printed using the very latest industry recommended UV inks.


The wood for both the indoor and outdoor options is treated with Osmo protection oil to give a fantastic, quality finish and protect against the weather and 12x UV-protection from the sun's ultra-violet rays.

The signs are available with or without pre-drilled holes. Choose the pre-drilled holes option and we'll include four wood screws with your order, free of charge.


Self-adhesive vinyl stickers

These are suitable for INDOOR USE ONLY. We use industry recommended Metamark digital vinyl. It's a tough, flexible, high quality vinyl material with an adhesive backing.

Make sure the surface you're applying it to is smooth and clean. Self-adhesive vinyl is waterproof, however, we would not advise using a sticker outside unless you are confident that the surface is suitable. The surface needs to be non-porous. Vinyl stickers will not stick to wood, brick or stone walls, concrete or similar surfaces. If you're unsure, ask us.

We would not recommend you trying to stick a self adhesive vinyl sticker larger than 400x300mm yourself. It is not as easy as it may appear!

Click here to view the data sheet for Metamark MD-100 vinyl.

Foamed Plastic Signs (Foamex)

A particular favourite material for temporary construction site safety boards. It is strong, but lightweight. It's weatherproof and designed for outdoor signage use. The foam board is white with a matt finish. Our foamex is 3mm thick.


Fluted Polypropylene (Correx)

This material is designed for temporary signage, such as that used in the construction industry. It is a cheap, lightweight solution for short-term signage.


Please allow extra time for deliveries.

Royal Mail and UPS are attempting to maintain their delivery targets in very difficult circumstances. Royal Mail deliveries sent 1st Class are taking 3-4 working days to arrive in some cases, rather than the usual 1-2 days. UPS deliveries may be delayed by 1-2 working days.

If your order doesn't arrive more than three or four days from when you expect it to, please call us on 01977 220000 or email and we'll be happy to investigate and if need be, we'll send out a replacement order the same day.



Standard Royal Mail 1st Class delivery is £3.95 + vat, or FREE for all UK online orders when you spend over £25*. 

Delivery is FREE on International orders over £50 + vat until December 31st, 2020.

*The small print

*excluding VAT

"Working days" for Royal Mail, Parcelforce and UPS relate to Monday to Friday.

* Excludes 800 x 600 mm, 900 x 600 mm and 1200 x 700 mm signs which will be sent by UPS, wooden signs and custom signs, where we cannot guarantee same day dispatch. Excludes public holidays - see our opening times

Next Day excludes the Channel Isles, postcodes FK17-21, G83, GY9, HS1-9, IM(all), IV(all), KA27-28, KW0-14, KW15-17, PA20-78, PH15-PH18, PH19-29, PH32-33, PH45-48, PH30-31, PH34-44, PH49-99, ZE(all) and international addresses. Available Monday to Friday for next day delivery, where possible. Contact us for details.

Large orders may be subject to a delay. Please call us on 01977 220000 to check.

The more you order, the more you SAVE with our AUTOMATIC DISCOUNTS when you buy in bulk. The discounts are applied to multiples of individual items in the shopping cart.


Buy 5 or more for a 10% DISCOUNT

Buy 10 or more - qualify for a 12% DISCOUNT

Buy 20 or more - get a 20% DISCOUNT

Buy 50 or more - get a 25% DISCOUNT

Buy 100 or more - get a 30% DISCOUNT

Plus, there's FREE STANDARD DELIVERY (2-3 working days) on all orders over £25*. Simply select the "FREE DELIVERY" option at the checkout.

*applies to orders over £25 excluding VAT

What type of health and safety messages should you use to keep people safe and reduce safety risks?

This is The Sign Shed guide to UK safety signs and their meanings.

What is a warning sign ?

Warning Signs Explained | Shop at The Sign Shed

Warning signs indicate a hazard or a danger to be aware of such as a chemical danger an electrical hazard or with our countryside and agriculture sign range, a sign warning of a bull in a field. These signs appear as a triangular symbol with a yellow background and a black border. As with all of our warning signs, the text is clear and concise in a black, bold Helvetica font. 


What is a mandatory sign ?

Mandatory Signs Explained | Shop at The Sign Shed

Our mandatory signs range complies with the Health & Safety at Work Regulations 1999, and the latest UK and EU legal requirements. Mandatory signs prescribe a specific behaviour. In other words they tell you that you must do something, such as Drive Slowly, Keep gates closed, or Safety helmets must be worn. The sign must include a round shape blue circle with white pictogram. As with all of our mandatory safety signs, the text is clear and concise. Mandatory sign text is white in a bold Helvetica font with a blue background.


What is a prohibition sign ?

Prohibition Signs Explained | Shop at The Sign Shed

All Prohibition signs available at The Sign Shed can be used both indoors and outdoors and in a range of sizes and materials such as self adhesive vinyl stickers, on rigid plastic, or a hard wearing composite aluminium.
Prohibition signs are signs prohibiting behaviour likely to increase or cause danger. They tell you something that you must not do. Prohibition signs feature a black pictogram inside a circle with red edging and a red diagonal line running through it. Our Prohibition signs range features Access Restricted signs such as No access for unauthorised personnel, Machinery prohibition signs like Do not operate, Smoking prohibition signs like No smoking beyond this point, and general prohibition signs e.g. Do not use mobile phones. These signs are used in a vast range of areas such as schools, colleges, offices, factories, construction sites, kitchens, shops and in agriculture.


What is a safe condition sign ?

Safe Condition Signs Explained | Shop at The Sign Shed

Safe condition signs indicate the presence of safe exit routes or the location of safety equipment. Examples include first aid points and emergency exits. All our safe condition signs comply with the Health & Safety Regulations 1996. These signs appear as a rectangular symbol with a green background. As with all of our warning signs, the text is clear and concise in a white, bold Helvetica font. 

Safety Signs Size Conversion Guide

Whether you use metric or imperial measurements, you can use our handy millimetres (mm) to feet (ft) and inches (") conversion guide to choose the right size of sign.

300 x 100 mm (12" x 4")

200 x 150 mm (8" x 6")

297 x 210 mm (12" x 8")

400 x 150 mm (16" x 6")

400 x 300 mm (16" x 12")

420 x 594 mm (17" x 24")

600 x 200 mm (24" x 8")

800 x 600 mm (32" x 24")

Sizes in inches (") are approximate

 your safety signs size conversion guide 

Pay by invoice - The Sign Shed Accounts

The Sign Shed supplies signs to local authorities, schools, NHS Trusts, universities, registered charities and other public sector customers throughout the UK.

To place an order online, simply select the "PAY BY PRO-FORMA INVOICE" option at the checkout.

We'll email confirmation of your order, your signs will be with you within 3 working days and we'll email a copy of your invoice to you once your signs have been dispatched. You've up to 30 days to pay.

You can also email, telephone or post your order to us.

We accept payments using Stripe, PayPal, online banking, or by credit/debit card over the phone.



Buy Your Signs Using Our Business Credit Account

We provide a Business Credit Account payment option for UK companies, whatever your size, subject to status. We can set up a 30 day credit account for your business within 24 hours* in most cases.

To place an order online, simply select the "PAY BY PRO-FORMA INVOICE" option at the checkout.

Once we've received your order, we'll email a 30 Day Account Application to you. Return it to us by email or post it to us, together with a copy of your company letterhead to The Sign Shed, 27 Low Street, Sherburn In Elmet, Leeds, LS25 6BB. 

We'll try and process your application the same day*, and subject to references and credit checks, we'll aim to get your account up and running within one working day*.

We'll email an invoice to you once your account is open. We normally request payment on a pro-forma (pre-pay) basis for first orders and will dispatch your order once your payment has been received.

For companies that have ordered from us previously, we may dispatch your order before payment has been received. We'll let you know if this is the case. You've then up to 30 days to pay, either through SagePay (the invoice will include a link to pay by this method), online banking, or by credit/debit card over the phone.

*Normal business hours, Monday to Friday

Glow In The Dark Keep Locked Shut Sign

SKU: B8259/614
Availability: In stock
BRAND: The Sign Shed