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Technical Advice

01702 512424

Security Doors – BSEN 1627 Level 5

Better Built Doorsets

Guardian ENV 5 Security Doors are designed to protect extremely high value storage properties from professional attempts at forced entry, regardless of noise, using heavy hand and power tools or explosives.Security with asthetics.

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Standard Specification
Door Leaf

62mm thick (xxkg/m3 blade only), 3mm and 4mm sheets of mild steel as standard, wide variety of colours.

Infilled with mineral wool and integral steel strengtheners.

Doorblade manufactured from heavily welded mild steel and constructed with a infilled inner door whichis faced with 4mm steel externally and 3mm internally.

A total steel armour thickness of 9mm.

Blade fitted with an anti-jemmy astragal.


High security two part frame system allows for highest security. The first part is fitted to the structure with the second being welded on site to protect the fixing points. Fitted with heavy duty drop-on hinges which only allow the door to be removed once the blade has passed 90 degrees. Large diameter dog bolts are fitted to the frame to prevent the door from being removed if the hinges are attacked.

Guardian Security Rated ENV 5 Frame


Standard: 15mm rebated threshold

Optional: 5mm driveable (DDA compliant), 12·5mm 564A Aluminium (DDA compliant)

Guardian ENV 2 Threshold

Guardian ENV 2 Threshold


Standard: Because, for strength and attack resistance, the door construction is heavily welded it is not possible to achieve our normal high asthetic finish. The doors can be completed with a powdercoat finish to any standard BS or RAL finish.

Optional: Contact the Sales office for special finishes.


Doors are custom manufactured in 10mm increments for single openings 690mm to 1390mm and double openings 1290mm to 2600mm, at heights up to 2900mm.

Secure Locking

Claves High Security Multipoint Deadlock providing seven point locking. Lockcase and cylinder protected with anti-drill security. Plus a High Security central sashlock.

Alternatively high security multi-point panic hardware for fire escapes.


Heavy duty applications such as strong-rooms, cash offices and drug stores.

Protection from professional means of attempting forced entry into high value storage areas after penetrating the building facade.

Further the door is suitable for protection against attempted entry by explosives.

Note: All duty recommendations assume the doors are used in conjunction with other comparable levels of security at windows, etc.


Tested to the highest level of the Swedish Burglary Test SS 81 73 45

The test involves a determined attack over a period of 30mins. using a selection of hand and power tools including sledge hammer, 500W drill, power saws and angle grinder. (see ‘Practical Attack Element of Test for full details’.)

Locks Anti-drill tested to BS EN 1303 Security grade 6.

ENV 5 doors have been tested and passed EXR3 of BS EN 13124-2, the Explosion Resistance standard, with explosive blasts using plastic explosives.


Peace of Mind Warranties

All our products are guaranteed against defect of material or workmanship by Guardian Doors, subject to correct, maintenance and operation, for a period of 12 months from the date of installation. We offer extended warranties for up to 5 years with an agreed maintenance contract. Contact us for more details.

Maintenance Packages

Planned preventative maintenance

See our maintenance section or contact us for more information. Guardian's repair and maintenance services and engineers are accredited to the DHF's TS004 Repairs and Maintenance standard.

It is a legal requirement - as failure to show evidence of maintenance could mean prohibition & enforcement notices being served and fines up to £5000 and imprisonment for 2 years. 'Safety In Use' - the New European CEN Standards legislation - states that all types of door should be maintained in an efficient state, in efficient working order and in good repair. For further clarification visit

Routine maintenance prolongs the operational life of the installation and ensures that the installation is kept in good working order - helping to prevent accidents and damage which in turn results in down time, effecting work flow, productivity and resulting in loss of revenue. It assists in identifying potential problems which can easily be rectified.

Peace-of-Mind Warranties

All our products are guaranteed against defect of material or workmanship by Guardian Doors, subject to correct maintenance and operation, for a period of 12 months from the date of installation.

Registered Office

45 Progress Road
0800 7836602
+44 (0)1702 260117
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Established in 1979, Guardian Industrial Doors design, manufacture, supply and maintain industrial and commercial roller shutters, doors and gates.

©2015 Guardian Doors