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Composite Fire Doors, FD30 Internal Fire Doors for Flats & Apartments

Our fire resistant made to measure FD30 internal composite fire doors for flats, homes, apartments and an integral garage have been approved by CERTIFIRE - an independent third party certification scheme that assures performance, quality, reliability and traceability of fire protection products. Certifire is recognised by regulatory authorities worldwide, it is an internationally respected mark of fire safety and one of the most authoritative in the industry.

Third party certified internal composite fire doors for flat entrances, apartments, garages and dwellings.

Our FD30S internal fire doors have been fire tested on both the internal and external side (bi directionally), smoke tested for up to 30 minutes (FD30S) and independently assessed by Certifire. All entrance composite internal fire doors have been tested to BS476 Part 22. Each internal composite fire door in the range is manufactured to a high level of security and complies with PAS023/PAS024 security accreditation as well as Secured by Design requirements when dual certified is specified.

internal composite fire doors
Composite Internal FD30 Fire Doors Browse our range of 30 minute fire rated internal fire doors. £100 OFF
external composite fire doors
Composite External FD30 Fire Doors Browse our range of 30 minute fire rated external fire doors. £100 OFF

Internal Fire Doors: 30 Minute Fire Protection

FD30 internal fire doors don’t have to be plain and boring, with a wide variety of traditional and modern fire door styles, glass and colours available. Internal FD30 fire door prices start from just £785 inc VAT.

internal fd30 fire door accreditations

Discover our FD30s Composite Internal Solid Fire Doors

Discover our FD30s Composite Internal Glazed Fire Doors

FD30S Composite Fire Doors: High Performance Internal Fire Doors

Composite fire doors are the future of internal FD30S fire doors. They are made from a high-performance material that is 44mm thick, strong, durable and fire resistant. They are also low-maintenance and come in a variety of colours and styles.

Benefits of Internal Composite Fire Doors:

30 minute fire and smoke resistance:

Designed to resist fire for up to 30 minutes. This means that they will help to keep the fire from spreading to other parts of your home or business, giving you and your family time to escape.

Strength and durability:

Made from a high-performance material that is strong and durable. They can withstand the elements and will not warp or crack.


They do not require painting or staining, and they are resistant to fading and cracking.


Available in a variety of styles and finishes. You can find an composite fire door that matches the look of your home or business.

Made to Measure Composite Fire Doors

As standard, the bespoke made to measure 30 minute fire rated composite doors are 44mm thick and supplied with 3 grade 13 stainless steel butt hinges, a 3 star security rated internal thumb turn, GU Slamlock, low level threshold and a choice of 7mm Pyrodur fire resistant clear or stippolyte obscure glazing tested to BS476 Part 22 on FD30S glazed internal fire doors with an optional 150mm cill, surface closer, TS008 letterbox with cowl and door knocker.

If you are looking for a quality internal fire door that is as smart as it is safe, then GRP Composite Doors UK are the perfect choice for you.

red internal composite fire door for the garage
grey internal fire door and frame for an apartment
grey fd30 fire door and side panel
blue glazed internal fire door for a flat

FD30 Fire Door Colours

The internal composite fire resistant door can be as individual as you like. You can choose from 11 door colours; black, blue, green, red and white at no extra cost and the chartwell green, cream, anthracite grey, black brown and duck egg blue finish is available for just £60. All of which can be configured with gold or chrome hardware. The internal fire door and outer frame colour is always white as standard with optional internal colours available for £60.

Anthracite Grey
Anthracite Grey
Black Brown
Black Brown
Chartwell Green
Chartwell Green
Dark Blue
Dark Blue
Duck Egg Blue
Duck Egg Blue
Poppy Red
Poppy Red

Internal Fire Door Closers

surface closer for fire door

Surface Mounted Fire Door Closer

To ensure your internal fire door installation runs smoothly, not only do we offer an optional surface closer, we also pre-prepare the door and frame for its fixings ensuring accurate installation every time.

  • Rack and pinion door closer with v-arm
  • Variable closing force EN 2-4
  • Tested and CE marked to EN 1154
  • Third party certificated by Certifire

Internal Composite Fire Doors: Affordable and Easy to Install

Internal FD30S fire doors work by using a combination of materials and construction techniques to resist the spread of fire. The fire rated composite door itself is made from a fire-resistant material. The glazed internal fire doors with glass is Pyrodur fire resistant and the door frame is also fitted with a fire-resistant seal around the edges. This seal helps to prevent smoke and flames from passing through the gap between the door and the frame.

To provide a complete service, all internal FD30S composite fire doors are supplied with an in depth installation guide. This is in addition to the double length intumescent strips around the fire door outerframe, ensuring ease of installation.

Contact us at sales@grpcompositedoors.com or give us a call on 01530 515160
For further information about our external doors and lead times, please contact out friendly sales team.

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