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838x1981x44mm (33 838x1981x44mm (33") Iseo Black Oak 4 Light Clear Glass - Prefinished Internal Doors838x1981x44mm (33") Iseo Black Oak 4 Light Clear Glass - Prefinished Internal Doors838x1981x44mm (33") Iseo Black Oak 4 Light Clear Glass - Prefinished Internal Doors838x1981x44mm (33") Iseo Black Oak 4 Light Clear Glass - Prefinished Internal Doors838x1981x44mm (33") Iseo Black Oak 4 Light Clear Glass - Prefinished Internal Doors
FSC Certification

838x1981x44mm (33") Iseo Black Oak 4 Light Clear Glass - Prefinished Internal Doors

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Stock last checked: 24/07/2026 12:57:39

View Iseo Black Oak 4 Light Clear Glass - Prefinished Internal Doors

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Best Seller

10 Year Guarantee

10 Year Guarantee

Fully Finished

Fully Finished

Delivery In 3-7 Working Days

Delivery In 3-7 Working Days

Generous Lippings for easy trimming

Generous Lippings For Easy Trimming

Oak Veneer

Oak Veneer

Product Description

This Fully Finished Iseo Black Oak 4 Light Clear Glass - Prefinished Internal Doors Internal Door comes in a height of 1981mm, width of 838mm and 44mm thickness. This is a FD30 rated fire door which falls in line with current UK Building Regulations. The Black Internal Door is supplied with Clear Glass.

Express Doors Direct stock a huge range of affordable Internal Doors delivered to you within 3-7 working days (postcode exclusions apply).

This sought after range features "V" grooves and an attractive textured oak veneer, which are the defining characteristics of this exceptional modern door collection. What’s more, the black finish is applied to a real oak veneer, giving you a beautiful textured wood grain look that adds to the sophisticated feel. 

Prefinished and ready to fit, this door will save you time on-site. The professional finish uses RAL 9005 Jet Black, ensuring easy touch-ups around hinges or other door hardware if needed. These Iseo doors also have an engineered middleweight core This provides stability and thermal efficiency at a great price point. 

Find the ideal size match within our extensive selection of door sizes, in both 35mm and 40mm thicknesses. If you need fire protection, we can offer the most sought-after imperial and metric fire door sizes with an FD30 fire rating to keep your home protected. This door is also available in bespoke sizes on an extended lead time.

Our standard doors are equipped with 20mm lippings, allowing for flexible adjustments of up to 16mm from any edge to achieve a perfect fit. That’s a total 32mm that can be trimmed from the width or height. 

When it comes to fire doors, they feature 18mm lippings, offering the flexibility to be trimmed by up to 12mm on both long edges and the bottom edge. 

This glazed door features 4 BS EN compliant clear toughened glass panels that help you to create a bright home with peace of mind. For areas of your home that need extra privacy, we also offer a standard panel option so you can keep a consistent look. Panel and glazed fire doors are included in the range too, so you can choose the black oak Iseo to fit every room.  

Features & Benefits

  • Supplied in prefinished black on real oak veneer for ease of installation
  • Available in most popular 35mm and 40mm internal door sizes 
  • Available in the most popular imperial and metric FD30 rated fire door sizes
  • Standard doors have 20mm lippings with 16mm of trim allowance from any edge
  • Fire doors have 18mm lippings with 12mm of trim allowance from any edge 
  • Solid engineered timber core
  • FSC® Mix certification
  • 10 year guarantee against manufacturing defects so you can buy with confidence

Sustainability

The Iseo black oak 4 light clear glass internal door is FSC® Mix certified. This certification ensures that the door is crafted with a selection of materials from FSC certified forests, recycled content, and responsibly sourced timber, adhering strictly to FSC regulations.

Technical Specifications
Finish
These doors have been factory decorated and don’t need any further decoration.
Material
Oak
Glazing
Clear Glass
Brand
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
Product Code
VBLGRISEO4LCG33FD
Raised Moulding
Yes
Door Leaf Size
this is the size of the individual doors that comprise a folding door system.
78x33
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.
20mm on 686mm and higher / 10mm on 610mm and lower
FSC® Certification
FSC® (AKA the Forest Stewardship Council®) is a voluntary scheme that ensures strict environmental, social and ethical labour and sourcing standards are met.
FSC® Mix
Average Weight
25.03kg
Average Fire Door Weight
36.39kg
Raised Mouldings
Both Sides
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
12mm
Max Trim Long Edge
12mm
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.
No
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