Internal Oak 40mm FLB

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You've selected "No Pre-Finishing". This means that the product will be supplied without "Pre-Finishing", ready for you to add your own.

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You've selected "Pre-Finishing", with the "Pre-Finishing" option.

Key features

  • Material: Oak
  • Application: Internal
  • Fire Rating: Non-Fire Door
  • Finish Type: Ready to finish

About this door

The Internal Oak Framed, Ledged and Braced doors are manufactured using traditional mortice and tenon joints, creating a fantastic looking, durable door.

Supplied in a select kiln-dried, rustic grade Oak, these internal oak doors are ideal for the older or more traditional style property. Within the Rustic oak, some planks will contain a few small knots, while others may contain slightly larger rustic knots. This is an intentional feature of the doors and creates a great look with greater visual interest. The construction of these doors will leave nail holes, the customer can fill them if preferred.

Please Note: The optional braces to the rear of the door, when ordered, are supplied loose to allow for universal handing - these should be positioned and permanently fixed at the point of fitting the door.

Custom Sizes

On this product, there is an option to have the door made to a custom size. The maximum dimensions we can offer would be 914mm (36") x 2132mm (Approx 84"). There is an additional charge for this service (see size dropdown box for details).

Things we thought you may need to know!

These internal FLB doors are made from solid oak timber.

The construction of these doors will leave nail holes, however, they can be easily filled in. 

Maximum adjustment (top):
Maximum adjustment (bottom):
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Supplied unfinished, these doors are able to take a stain or paint finish. Our recommendation for a natural, clear finish would be to use a Treatex Hardwax Oil, which is available from the "Stains, Paints and Finishes" section of our website.

On this product, there is also an option for the door to be supplied pre-finished by our french polisher. If you select this option, your door will be supplied pre-finished to a professional standard.

Your door will be pre-sanded with 180 grit sandpaper before being sprayed with a base coat of A/C lacquer. When dry, the door is then "de-nibbed" by hand and sprayed with further top coats of A/C lacquer, specially formulated for doors and internal joinery.

This achieves a great looking semi-matt finish which is resistant to knocks and finger marks and is smooth to the touch.

Selecting this option will add approximately a week to any estimated lead time.

The correct storage, fitting, and finishing of your new doors are very important factors in getting the best out of your purchase.

Please always avoid the use of water-based finishing products as this may cause the door to bow, warp or delaminate. Using these types of products will invalidate your guarantee.

Before finishing your door, we would always recommend reading our Door Care information which can be viewed by clicking here, along with any additional manufacturer's documentation supplied with the door itself.

If there is anything you are unsure of, our friendly team are here to help.

Give us a call to discuss on 0114 2557800 or drop us an email at

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