Internal Fire Doors

Learn more about internal fire doors

Internal fire doors are specialist components designed to prevent the spread of fire and smoke between rooms. 

Unlike standard internal doors, they are constructed with a solid, fire-retardant core and must be installed with compatible fire-rated hinges, closers, and intumescent strips. 

In the UK, most domestic settings require FD30 doors providing up to 30-minute protection, while higher-occupancy or commercial buildings may need FD60 variants.

Typical uses

• HMOs and flat conversions: Mandatory for doors leading onto communal hallways or stairwells to provide a safe escape route.

• Integral garages: Required by building regulations for any door connecting a main residential dwelling to an attached garage.

• Loft conversions: Essential for creating a fire-protected stairwell from the new upper floor down to the external exit.

• Commercial premises: Used in offices, hotels, and retail units to compartmentalise the building and limit fire spread.

How to choose the Internal Fire Door

• When selecting a fire door, first confirm the required fire rating specified by your local Building Control officer. 

• Consider the finish: pre-finished doors save time on-site, while primed options allow for custom colour matching.

• You should also decide between panelled or flush designs to match the existing joinery of the property. 

• Finally, ensure the door thickness (usually 44mm or 54mm) is compatible with your existing or new door frames.

Before you order

• Check the rating: Ensure you have confirmed whether you need FD30 or FD60 protection.

• Measure accurately: Fire doors cannot be trimmed as extensively as standard doors without compromising their certification; always check the manufacturer's trimming allowance.

• Hardware compatibility: Remember that fire doors require fire-rated ironmongery (hinges, latches, and closers) to maintain their legal status.

• Delivery access: These doors are significantly heavier than standard hollow-core doors. Ensure you have adequate help or equipment on-site for offloading and installation.

Explore our range of internal fire doors

Find the right balance of safety and design for your project. From classic wood grains to sleek, modern styles, our range is built to last and fully compliant with UK safety standards.

Protecting lives and property starts with the right specification. Our range of internal fire doors combines essential safety compliance with professional aesthetics, ensuring your build meets building regs without compromising on style. 

Whether you are outfitting a modern apartment block or a traditional home renovation, these doors provide a critical up to 30 or 60-minute barrier against smoke and flames.

Available in a variety of finishes - from natural oak veneers to primed surfaces ready for painting - our FD30 internal fire doors are engineered for stability and durability. 

We supply high-quality fire rated doors that suit both contemporary and classic interiors. So browse our collection today to find the perfect fit for your next project.