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Door linings are the framework fitted around a wall opening to house an internal door. They support the door, helping it to operate smoothly and provide a neat finish. They differ from complete door frames in their construction and application, as door linings typically form the inner structural framework, whereas door frames are the complete supporting structure, made up of other important components.
Choosing the right door lining helps ensure the door fits correctly and operates smoothly. The right material, size, and finish can affect the appearance, durability, and performance of the finished installation. Fire-rated doors will also require fire-rated linings to help ensure compliance and provide the required level of fire protection.
There is a wide range of internal door lining types and sizes available, suitable for different doors and applications. Door linings are available in both hardwood and softwood, as well as a variety of finishes including oak, black, and white. Fire rated door linings can also be used with fire doors in applications where fire protection is required. Typically, door lining sizes vary to accommodate different door dimensions, with commercial door lining sizes available for larger doors and commercial applications.
Door linings are available in both hardwood and softwood, which each offer different benefits:
Hardwood door linings
Softwood door linings
Oak door linings are popular due to their natural and versatile appearance, making them ideal for oak internal doors. Combining a classic, timeless appearance with long-lasting performance, oak door linings provide natural character and excellent durability.

Black door linings create a bold, stylish look, making them well suited to modern and contemporary interiors. Providing a sleek, clean appearance and creating contrast against light walls and doors, they are versatile and ideal for a wide range of applications.

White door linings offer a clean and bright appearance, meaning they’re useful for a wide range of door colours and interior styles. Creating a seamless, coordinated look when paired with white doors, they help ensure a neat finish around the doorway.

Fire door linings are an important component of fire door assemblies, helping to support fire safety standards and contain the spread of fire. It’s important to ensure the door lining is suitable for the relevant fire door system to maintain its required level of fire resistance and provide peace of mind.
Door linings are available in pre-finished, primed, and unfinished options. Pre-finished door linings save time during installation, making them ideal for larger projects. Primed door linings reduce preparation, meaning they’re a great choice for projects where a final coat of paint or finish can be applied if required. Unfinished door linings allow you to apply your preferred finish after installation, meaning greater customisation Is possible for domestic and commercial projects.
You’re now aware of the different door linings available, and the various finishes, materials, and types to choose from. At IronmongeryDirect, we’re proud to supply a wide range of door linings, helping you to find an option that’s best suited for your door type and project requirements.

The time it takes to fit a door lining will depend on the type of installation and level of skill, but it typically takes a couple of hours. It’s important to choose the correct lining size, make sure it’s properly aligned and level, and allow enough space for the door to operate smoothly to ensure a proper fit and long-lasting performance.
Hardwood and softwood are the two main types of timber used for door linings. The best door lining material for your project will depend on the type of door, your budget requirements, and the desired level of durability.
The main difference between a door lining and a door frame is that door linings typically form the inner structural framework, whereas door frames are the complete supporting structure, made up of other important components.
To choose the right internal door lining, consider your door type and project requirements, as well as the required material, size, and finish. If you have a fire door, choosing a fire rated door lining will help to support fire safety standards and contain the spread of fire.