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1981 x 686 x 44mm (FD30)
Fontaine Brushed Black Oak - Prefinished Internal Doors

By Deanta Doors

: £0.00

  • 10 Year Guarantee against Manufacturing Defects
  • Price Match Promise
  • Any door out of stock can be ordered now and delivered when it arrives back in stock

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 Fontaine Brushed Black Oak - Prefinished Door 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 Deanta Doors range.

Supplied fully finished with no glass, you do not need to worry about any painting or staining - you can simple hang the door when it arrives.

The Deanta Fontaine Brushed Black Oak internal door delivers a bold, modern statement with its striking herringbone pattern, running vertically from top to bottom.

The Deanta Fontaine Brushed Black Oak internal door delivers a bold, modern statement with its striking herringbone pattern, running vertically from top to bottom. The brushed black oak finish highlights the rich texture of the timber, giving it a premium look. The full-height herringbone layout creates a strong vertical feature, ideal for contemporary interiors that suit bold contrasts and textured timber finishes. Supplied prefinished and ready to hang, it helps achieve a high-end look with minimal on-site work. With an average weight of approximately 32kg, it has a reassuringly solid feel in day-to-day use.

  • Crown Cut American White Oak, painted Black and ready to hang
  • Solid core construction for extra strength, stability, and robustness
  • Distinctive herringbone pattern from top to bottom
  • 32mm total can be taken off the width and height of each non-fire rated door (16mm from any edge)
  • 30mm total can be taken off the width and height of each FD30 fire rated door (15mm from any edge)
  • Covered by Deanta's 10-year manufacturer's warranty
Technical Specification
Category
Brand
Material
Oak
Glazing
No Glass
Finish
These doors have been factory decorated and don’t need any further decoration.
Colour
Black
Construction
The construction of the door covers both the design and weight of the door.

Heavyweight (Solid Core) – The heaviest form of construction -  generally solid particle board with real timber lippings.
Engineered Solid Core (Heavyweight)
Width
Height
1981mm
Thickness
Non-fire rated internal doors are either supplied at 35mm thick (Imperial Doors, 1981mm (6’ 6”) or 2032mm (6’ 8”) tall) or 40mm thick (Metric Doors, 2040mm tall).

FD30 Fire doors are manufactured to a thickness of 44mm.

External doors are manufactured to a thickness of 44mm.
44mm
Lipping
The lipping is the timber material around all edges of the door from which your joiner can trim the door down in height and width, as well as fit hinges/ locks too.

Trim allowances vary by lipping size, door design and fire rating - please contact us for more information about your desired door’s trim allowance.
18mm
Average Weight
32.0kg
Average Fire Door Weight
42.0kg
Raised Moulding
No
Door Leaf Size
this is the size of the individual doors that comprise a folding door system.
78x27
Lipping Short Edge
The lipping is the timber material around all edges of the door from which your joiner can trim the door down in height and width, as well as fit hinges/ locks too.

Trim allowances vary by lipping size, door design and fire rating - please contact us for more information about your desired door’s trim allowance.
18mm
Lipping Long Edge
The lipping is the timber material around all edges of the door from which your joiner can trim the door down in height and width, as well as fit hinges/ locks too.

Trim allowances vary by lipping size, door design and fire rating - please contact us for more information about your desired door’s trim allowance.
18mm
Max Trim Short Edge
15mm
Max Trim Long Edge
15mm
Suitable To Use As Pairs
Yes
Suitable For Use As Paired Fire Doors
Always install fire doors in-line with their associated certification document. Failure to do-so may invalidate certification.
Yes
Code
45FONFDBX686
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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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