{"product_id":"jb-kind-derwent-oak-internal-fire-door","title":"JB Kind Derwent Oak Internal Fire Door","description":"\u003ch3\u003eJB Kind Derwent Oak Internal Fire Door\u003c\/h3\u003e\n\n\u003cp\u003eThe JB Kind Derwent Oak Internal Fire Door combines the natural beauty of oak with practical fire protection, making it a suitable option for interior spaces where style and safety are important. Featuring a real oak veneer and four flat panels of quarter-sawn oak, this door brings a classic, timeless look to your home or property.\u003c\/p\u003e\n\n\u003cp\u003eSupplied without glass, it offers privacy and a clean, traditional appearance. Its solid core construction provides a sturdy feel, while the unfinished surface gives you the flexibility to choose a finish that complements your interior décor.\u003c\/p\u003e\n\n\u003ch3\u003eClassic Oak Design and Finish\u003c\/h3\u003e\n\n\u003cp\u003eThis door features four flat panels of quarter-sawn oak, adding natural character and detail to its design. The real oak veneer highlights the warmth of the wood, making it easy to coordinate with oak flooring, furniture and other interior finishes.\u003c\/p\u003e\n\n\u003cp\u003eThe door is supplied unfinished and ready for staining or varnishing. You can use a suitable door oil or varnish to achieve your preferred appearance, following the manufacturer's finishing instructions. Pre-finished versions are also available to order if you would prefer a ready-finished option.\u003c\/p\u003e\n\n\u003ch3\u003eFD30 Fire Protection and Construction\u003c\/h3\u003e\n\n\u003cp\u003eThe JB Kind Derwent Oak Internal Fire Door has an FD30 fire rating, meaning it is designed to provide up to 30 minutes of fire resistance when correctly specified and installed as part of a suitable fire door assembly.\u003c\/p\u003e\n\n\u003cp\u003eIts solid core construction and unglazed design make it an option for locations where a compatible fire-rated door is required. To achieve the intended level of protection, the complete installation must use suitable components, including the correct frame, seals, hinges and other required hardware. Always follow the manufacturer's installation instructions and applicable building requirements.\u003c\/p\u003e\n\n\u003ch3\u003eAvailable Sizes\u003c\/h3\u003e\n\n\u003cp\u003eThe JB Kind Derwent Oak Internal Fire Door is available in three sizes, all with a thickness of 44mm. Choose the option that best fits your doorway and check the measurements carefully before ordering.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e1981 x 686 x 44mm\u003c\/li\u003e\n\u003cli\u003e1981 x 762 x 44mm\u003c\/li\u003e\n\u003cli\u003e1981 x 838 x 44mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e JB Kind Derwent Oak Internal Fire Door\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoor Type:\u003c\/strong\u003e Internal fire door\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Real oak veneer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Four flat panels of quarter-sawn oak\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Unfinished, ready for staining or varnishing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlazing:\u003c\/strong\u003e No glass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore Type:\u003c\/strong\u003e Solid core construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire Rating:\u003c\/strong\u003e FD30, subject to correct specification and installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 44mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e 1981 x 686 x 44mm, 1981 x 762 x 44mm and 1981 x 838 x 44mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Finish:\u003c\/strong\u003e Suitable door oil or varnish, following the manufacturer's instructions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternative Option:\u003c\/strong\u003e Pre-finished versions available to order\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces Per M2:\u003c\/strong\u003e Not applicable to this door product\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelivery:\u003c\/strong\u003e Typically 3–7 working days, subject to postcode exclusions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDelivery Information\u003c\/h3\u003e\n\n\u003cp\u003eExpress Doors Direct stocks a wide range of internal fire doors, with delivery typically available within 3–7 working days. Delivery times may vary depending on your postcode, and some areas are excluded. Check the supplier's delivery terms and product availability before placing your order.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003e1. What does the FD30 fire rating mean?\u003c\/h4\u003e\n\n\u003cp\u003eFD30 means the door is designed to provide up to 30 minutes of fire resistance when correctly specified and installed as part of a suitable fire door assembly. The frame, seals, hinges and other required components must also be appropriate for the intended application.\u003c\/p\u003e\n\n\u003ch4\u003e2. Can the JB Kind Derwent Oak Internal Fire Door be stained or varnished?\u003c\/h4\u003e\n\n\u003cp\u003eYes. The door is supplied unfinished and ready for staining or varnishing. Use a suitable door oil or varnish and follow the manufacturer's finishing guidance. Pre-finished versions are also available to order.\u003c\/p\u003e\n\n\u003ch4\u003e3. What sizes are available for the JB Kind Derwent Oak Internal Fire Door?\u003c\/h4\u003e\n\n\u003cp\u003eThe door is available in three sizes: 1981 x 686 x 44mm, 1981 x 762 x 44mm and 1981 x 838 x 44mm. All variants are 44mm thick. Measure your doorway carefully and confirm that the selected door is suitable for your fire-safety requirements before ordering.\u003c\/p\u003e","brand":"JB Kind","offers":[{"title":"1981x686x44mm","offer_id":55721915744598,"sku":"186448","price":200.46,"currency_code":"GBP","in_stock":true},{"title":"1981x762x44mm","offer_id":55721915777366,"sku":"186417","price":200.46,"currency_code":"GBP","in_stock":true},{"title":"1981x838x44mm","offer_id":55721915810134,"sku":"186224","price":200.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/jb-kind-derwent-oak-internal-fire-door-9399862.jpg?v=1792081509","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/jb-kind-derwent-oak-internal-fire-door","provider":"JJ Building Materials","version":"1.0","type":"link"}