2.  | FAQ

Security Doors



Frequently Asked Questions

10-point locking doors

What hardware is supplied with a 10-point locking door?

Stainless steel lever handle set

Anti-drill Euro profile 80mm cylinder – key and thumb turn as standard

Pre-fitted high security multi-point mortice lock

Stainless steel hinges – The door is supplied with the door pre-hung in the frame.

12 plastic caps for covering the fixing holes and

6m of adhesive door seal

How many keys are supplied with your cylinders?

Kirncroft 10-Point Locking Steel Security Doors are supplied as standard with 5 keys.

Outside access devices for our fire exit doors are supplied with 3 keys.

Keyed alike cylinders and extra keys can be purchased if required.


What is your current lead time?

Standard 10-point locking doors: 2-5 days

Customised doors & fire exit doors: Variable lead time. Please contact us for an accurate lead time.

How much do you charge for delivery?

Delivery charges vary depending on your order quantity, your location and the method of delivery.  for a free delivery quote please contact us


How much do your doors weigh?

Single Doors approx. 85kg

Double Doors 150kg

Shutters 45kg

Single Glazing Units 10kg

Double Glazed Units 15 kg

How do you determine the handing of the door?

Kirncroft Security Doors door handing diagram

How do you determine the handing of the door?

Kirncroft Security Doors External opening left hand hungKirncroft Security Doors External opening right hand hungKirncroft Security Doors Internal opening left hand hungKirncroft Security Doors Internal opening Right hand hung

How can payments be made?

Payments can be made by card, BACS or cheque.

Please note that payment by cheque will need to be cleared prior to goods being dispatched.

Do your doors come with a frame?

Our doors are suppled pre-hung in a frame with a stainless steel threshold.

Double doors are shipped with the doors separated from the frames for ease of handling and to ensure that the doors do not get damaged during transport.

Do you offer a final paint finish?

Our door sets are supplied in a grey primer finish.

The nearest RAL colour to match primer is RAL 7003.

Are your sizes the overall size including the frame?

The size shown on our website are the overall measurements including the frame.

Are your products fire rated?

Currently our doors and shutters are not fire rated.

Are your doors supplied with a weatherkit

We supply weather kits for all doors that are to be opening internally.

Are your doors supplied with a cill/threshold?

All our door sets are fitted with either a DDA compliant threshold or a stepped threshold on our 910mm or 1110mm anti-jemmy flanged door sets.


What type of fixings should be used to fit a Kirncroft security door?

If not welding a Kirncroft security door into a steel subframe please follow the guidelines below:

Fitting into brickwork:
M8 x 50mm coach screw with 10mm rawl plugs.

Fitting into blockwork:
Either M8 x 50mm Coach screws with 10mm rawl plugs or M10 x 50 coach screws with 12mm rawl plugs.

Fitting into a timber frame:
EitherM8 x 50mm coach screws or M10 x 50mm coach screws (no need for rawl plugs).

Fitting into lightweight steel frame:
No.14 (6.3mm) X 50mm self-drilling flanged hexagon tek bolts with a washer if required.

Fitting into a heavy-duty frame (such as support beams or steel angles):
M10 x 50 hex bolt sets.

(Please note that the length of the bolts and screws should be taken as a general guide and may not be suitable for every situation).

How to change the handing of the latch on a Kirncroft 10-point locking mortice lock

Please see the video here or visit our youtube page.

Do you have any fitting instructions?

Yes, these can be found in our downloads section.

Do you have a maintenance guide?

Yes, this can be found in our downloads section or by clicking here.


Where are you located?

What are your office hours?

Our opening hours are:

Monday – Thursday 8:30am – 5pm

Friday – 8:30am – 4:00pm

Kirncroft Engineering Ltd. Wadworth Hill, Burstwick, Hull, United Kingdom, HU12 9EY
Telephone: +44 (0)1964 671 300