Internal Door Linings - MDF, Pine & Hardwoods

Click here to scroll to the products.

Discover premium Internal Timber Door Linings at Avon Timber, your trusted supplier of exquisitely crafted timber products. Browse our collection of carefully crafted door linings in a variety of hardwood, softwood and timber material options, including pine, oak, sapele, walnut, and MDF door linings—all designed to provide exceptional quality and aesthetic appeal for your projects.

Choose from a variety of standard sizes, such as 120mm finished size, 145mm finished size, and 170mm finished size door linings, ensuring that we have the perfect fit for your needs. Our door linings are meticulously engineered for easy installation, and are compatible with a range of decorative options, including matching architraves and skirting boards available in the same species to complete the look.

At Avon Timber, we understand the importance of both style and functionality in your home or commercial projects. Our linings are not only designed for a perfect fit but also offer enhanced performance, whether you're working with fire-rated doors or need a sturdy solution for high-traffic areas. Whether you're updating an existing doorway or undertaking new construction, our timber door linings add the finishing touch to any project.

Explore our range today and find the ideal solution for your needs.

✅ Made from high-quality Oak, MDF, Pine, Ash, Walnut & Sapele, ideal for contemporary or classic designs.
✅ Available in standard & bespoke sizes to suit any door frame, email us for further details regarding Bespoke door linings.
✅ Smooth, planed finish for easy painting, staining, or varnishing
✅ Fast UK delivery with excellent customer support

We offer a range of softwood and hardwood door linings to match your project:

• Oak Door Linings – Perfect for a natural, premium finish

• MDF Door Linings – Affordable & easy to paint

• Pine Linings – A traditional choice with great versatility

Need a specific size or require door casings? We provide custom machining on request.

Each door lining set includes:
✔ Lining legs & head (with optional trenching)
✔ Standard thickness: 27mm finished size (Timber), 25mm finished size (MDF)
✔ Optional 15x4 Groove for easy installation of intumescent strips, assisting fire protection in fire-rated doors.

Our door linings are designed for standard UK internal doors and are compatible with:
✔ Fire-rated doors (with optional intumescent strip rebate)
✔ Standard sized doors, however, we can machine for double, and oversized doors. Please email us for more information.
✔ Matching species architraves & skirtings available

Order online today for quick dispatch. Have questions or need assistance? Our team is ready to help – contact us for expert recommendations on the perfect door lining for your project!