The LPD Contemporary Oak 4 Panel FD 30 Internal Fire Door is available to buy online at BSO LPD Doors are one of the biggest manufacturers of doors in the UK, Boasting a huge range of internal and external doors at great prices its easy to see why they are market leaders. Features Brand: LPD Material: Wood Finish Type: Veneered and Unfinished Wood Type: Oak Fire door: 30 minutes Core Type: Solid Engineered Core Number of Panels: 4 Glazing Type: Unglazed Door Trimming Sides (mm): 3 Door Trimming Bottom (mm): 3 Door Trimming Top (mm): 3 Warranty: 10 Years