Safety Sign Product

This Door Must Be Kept Locked Shut Sign

Design no: 855

This Door Must Be Kept Locked Shut Sign-855P

Square style

This Door Must Be Kept Locked Shut Sign from Parrot Signs

Product Description

Reinforce site security and safety protocols with the This Door Must Be Kept Locked Shut Sign, designed to remind staff and contractors of access control requirements. Ideal for utility rooms, service corridors, storage areas, and any location where doors must remain secured.

Choose from three durable material options:

Foamex (3mm Rigid Plastic) – Lightweight and easy to mount, suitable for indoor use or sheltered outdoor areas.

Dibond (Aluminium Composite) – Built for long-term durability, perfect for exposed environments and high-traffic zones.

Self-Adhesive Vinyl – Designed for smooth surfaces such as doors, cabinets, or metal panels—quick to apply with no fixings required.

Other materials, including Correx and Magnetic Sheet, are available on request – please contact us to discuss your signage needs.

Printed using UV-stable inks to ensure lasting clarity and colour vibrancy, even in demanding conditions.

Manufactured in the UK with precision and care for reliable performance.

A clear and effective solution for enforcing locked-door policies and supporting site safety.

Step 1. Choose Material

Step 2. Choose Style

Step 3: Choose Size & Quantity

Use this grid left to right: choose a size row first, then read price by quantity tier. SKU remains reference-only.

0 visible 0 hidden
Size / Reference 1-4 5-19 20-49 50+ Action
80mm x 80mm 855-N-VS / Vinyl Sticker / Square 1-4 £0.86 5-19 £0.69 20-49 £0.52 50+ £0.26
1-4 @ £0.86
Line £0.86
100mm x 100mm 855-P-VS / Vinyl Sticker / Square 1-4 £1.09 5-19 £0.87 20-49 £0.65 50+ £0.33
1-4 @ £1.09
Line £1.09
120mm x 120mm 855-Q-VS / Vinyl Sticker / Square 1-4 £1.70 5-19 £1.36 20-49 £1.02 50+ £0.51
1-4 @ £1.70
Line £1.70
80mm x 80mm 855-N-FO / 3mm Rigid Plastic / Square 1-4 £2.72 5-19 £2.18 20-49 £1.63 50+ £0.82
1-4 @ £2.72
Line £2.72
200mm x 200mm 855-R-VS / Vinyl Sticker / Square 1-4 £2.92 5-19 £2.34 20-49 £1.75 50+ £0.88
1-4 @ £2.92
Line £2.92
100mm x 100mm 855-P-FO / 3mm Rigid Plastic / Square 1-4 £3.03 5-19 £2.42 20-49 £1.82 50+ £0.91
1-4 @ £3.03
Line £3.03
120mm x 120mm 855-Q-FO / 3mm Rigid Plastic / Square 1-4 £3.96 5-19 £3.17 20-49 £2.38 50+ £1.19
1-4 @ £3.96
Line £3.96
200mm x 200mm 855-R-FO / 3mm Rigid Plastic / Square 1-4 £4.85 5-19 £3.88 20-49 £2.91 50+ £1.46
1-4 @ £4.85
Line £4.85
80mm x 80mm 855-N-DB / 3mm Aluminium Composite / Square 1-4 £6.05 5-19 £4.84 20-49 £3.63 50+ £1.82
1-4 @ £6.05
Line £6.05
100mm x 100mm 855-P-DB / 3mm Aluminium Composite / Square 1-4 £6.36 5-19 £5.09 20-49 £3.82 50+ £1.91
1-4 @ £6.36
Line £6.36
360mm x 360mm 855-S-VS / Vinyl Sticker / Square 1-4 £6.83 5-19 £5.46 20-49 £4.10 50+ £2.05
1-4 @ £6.83
Line £6.83
120mm x 120mm 855-Q-DB / 3mm Aluminium Composite / Square 1-4 £7.29 5-19 £5.83 20-49 £4.37 50+ £2.19
1-4 @ £7.29
Line £7.29
200mm x 200mm 855-R-DB / 3mm Aluminium Composite / Square 1-4 £8.18 5-19 £6.54 20-49 £4.91 50+ £2.45
1-4 @ £8.18
Line £8.18
360mm x 360mm 855-S-FO / 3mm Rigid Plastic / Square 1-4 £12.84 5-19 £10.27 20-49 £7.70 50+ £3.85
1-4 @ £12.84
Line £12.84
600mm x 600mm 855-T-VS / Vinyl Sticker / Square 1-4 £16.12 5-19 £12.90 20-49 £9.67 50+ £4.84
1-4 @ £16.12
Line £16.12
360mm x 360mm 855-S-DB / 3mm Aluminium Composite / Square 1-4 £16.17 5-19 £12.94 20-49 £9.70 50+ £4.85
1-4 @ £16.17
Line £16.17
600mm x 600mm 855-T-FO / 3mm Rigid Plastic / Square 1-4 £29.38 5-19 £23.50 20-49 £17.63 50+ £8.81
1-4 @ £29.38
Line £29.38
600mm x 600mm 855-T-DB / 3mm Aluminium Composite / Square 1-4 £32.72 5-19 £26.18 20-49 £19.63 50+ £9.82
1-4 @ £32.72
Line £32.72

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