Doors with a security function need to have at least 3 hinges, as this makes them more difficult to force. Fire Regulations require fire doors to be fitted with 3 hinges (which must be 4 inch fire certified hinges). For doors over 2200mm tall, then four hinges can be used to prevent warping.
Can fire doors have 2 hinges?
Because of the weight of a fire door and to prevent it warping, fire doors are usually fitted with three fire door hinges. The current BS EN standard does, however, allow two hinges in certain circumstances. There may be documentation that was supplied with a fire door giving you all the necessary information.
What are the requirements for hinges on fire rated doors?
Fire door assemblies are required to have an adequate quantity of hinges as specified in the standard. A door up to 60 inches in height must have two hinges. Doors over 60 inches tall are required to have one additional hinge for each additional 30 inches of door height (or fraction thereof).
What is the minimum amount of industrial hinges a fire door should be fitted with?
Any fire door will have a minimum of three hinges. Intumescent may be required, so it is important to check certification.
Can I use fire door hinges on normal door?
For lighter internal doors, you shouldn’t have to use as heavy duty hinges due to the light weight nature of the door. You should only have to use a low hinge class too. Whereas, for heavier doors such as solid oak and fire doors you’ll need to use a higher hinge class so the hinges can handle the weight.
Why are there 3 hinges on a door?
The third(centre) hinge WILL take weight from the door. AND it will actually help PREVENT warping(one of the main reasons to have a third hinge).
Are fire doors a legal requirement?
Why do you need to provide fire doors? They are specifically designed to withstand fire for up to 30 minutes. They are a legal requirement for flats which open onto communal areas shared with other tenants. This is to make sure crucial escape routes are protected if a fire breaks out.
Where do hinges go on a fire door?
Positions: The top hinge must be positioned 120-180mm down from the head of the leaf to the top of the hinge and the bottom hinge positioned 200-250mm up from the foot of the leaf to the bottom of the hinge.
What makes a 20 minute fire rated door?
20 minute without hose stream: These are openings that have successfully passed a 20 minute fire test but were not subjected to the hose stream test. These doors bare a label that specifically states ‘Twenty-Minute-Rating tested Without Hose Stream’.
What are the requirements for a fire door?
All fire doors should meet the essential fire safety standards: the door must be of FD30 type, offering at least 30 minutes’ fire resistance and have been tested in accordance with BS476: Part 22 1987 (the British Standard) or BS EN 1634-1 2000 (the UK adoption of European standards)
Can anyone install fire stopping?
It is not required by law for firestopping products to be installed by contractors with third party certification. However, having acquired third party accreditation means that the contractor has gone through an audit and their staff has received relevant training.
Does my front door need to be a fire door?
A flat’s front door forms an essential part of the fire compartmentation for a building. This is because a fire is most likely to occur inside a flat, therefore, to protect others in the block, it is important that the flat is a secure fire compartment.