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1981 x 686 x 44mm (FD30)
Flush Oak Prefinished 20G Clear Glazed Fire Door

By LPD Doors

: £0.00

  • 10 Year Guarantee against Manufacturing Defects
  • Price Match Promise

Want a Complete Package?
Choose a Pre-hung Door Set

Make installation quicker, cleaner, and more convenient with a complete doorset — the ideal solution if you're starting from scratch or renovating.

Why choose a door set?

  • Everything in one – Includes the door, pre-hung in its frame on three hinges with a latch or bathroom lock pre-fitted.
  • Time-saving install – Pre-assembled components reduce fitting time
  • Perfectly matched parts – No guesswork on what hardware fits
  • Clean, consistent finish – Factory-prepped for a more professional result
Fully Finished

Fully Finished

High grade materials

High Grade Materials

10 Year Guarantee

10 Year Guarantee

Oak Veneer

Oak Veneer

Product Information

The 686mm Flush Oak Prefinished 20G Clear Glazed Fire Doo is a fantastic choice for anyone looking to give their home a make over. Measuring 1981 x 686 x 44mm, this oak FD30 fire door is a popular choice, being a staple in the LPD Doors range.

Supplied fully finished with clear glass, you do not need to worry about any painting or staining - you can simple hang the door when it arrives.

The Flush Oak Prefinished 20G Clear Glazed Fire Door by LPD is designed for spaces where safety, light transmission, and modern aesthetics must work together seamlessly.

The Flush Oak Prefinished 20G Clear Glazed Fire Door by LPD is designed for spaces where safety, light transmission, and modern aesthetics must work together seamlessly. Featuring a single, full-height clear glazed panel offset to the hinge side, this FD30-rated door is a popular choice in commercial buildings, healthcare settings, and high-traffic residential areas requiring clear lines of sight.

Finished in a warm oak veneer and factory prefinished for immediate installation, the door’s 44mm thick construction delivers up to 30 minutes of fire resistance. It combines practical compliance with a smart, understated appearance.

  • Manufactured by LPD to meet strict fire safety standards
  • FD30 fire rated for up to 30 minutes of certified protection
  • 20G design with full-height clear glazed vision panel on the hinge side
  • Supplied fully prefinished in an oak veneer – ready to install
  • 44mm thickness ensures strength, safety, and durability
  • Ideal for commercial corridors, shared entrances, and institutional spaces
  • Offered in a range of standard sizes to suit various applications
Technical Specification
Category
Brand
Material
Oak
Glazing
Finish
Colour
Oak
Construction
Engineered Solid Core (Heavyweight)
Width
Height
1981mm
Thickness
Lipping
8mm
Average Weight
27.0kg
Fire Rating
FD30
Raised Mouldings
Both Sides
Raised Moulding
Yes
Door Leaf Size
78x27
Lipping Short Edge
8mm
Lipping Long Edge
8mm
Max Trim Short Edge
5mm
Max Trim Long Edge
5mm
Code
FLUOAKFD20G27
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Standard UK Door Sizes:

  • 1981 x 381/419 x 35mm (sidelights/side panels)
  • 1981 x 457/533 x 35mm (cupboard/wardrobe)
  • 1981 x 610/686/711 x 35mm (restricted spaces)
  • 1981 x 762 x 35mm (most common internal door size)
  • 2032 x 813 x 35mm (usually former external door size)
  • 1981 x 838 x 35mm (mobility/wheelchair access)

Metric Door Sizes (Popular in Europe/Scotland):

  • Height: 2040mm
  • Width: 426/526/626/726/826/926mm
  • Thickness: 40mm

Measurement Tips:

  • Measure door opening for height, width & thickness.
  • Allow 2-3mm gap around the door for proper operation.
  • Contact us for bespoke sizes.

Trimming Guidelines:

  • Engineered timber doors can be trimmed to fit; consult our guidelines or contact us for advice.

View Our Full Size Guide

If you are unsure about your sizing, please contact us for assistance. We also offer bespoke / made to measure doors.

Get in touch if you need help with anything or if you have any questions about our products.

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