Trinity Black Prefinished Internal Door
Trimming Allowance 16mm off any edge
Bespoke Options available
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The Deanta Trinity Black Prefinished internal door delivers a contemporary statement with three symmetrical square panels arranged vertically. Supplied with a smooth factory-applied black finish, this solid-core door is ready to hang straight away, offering strength, stability and a flawless look. Constructed from FSC® certified sustainable timber and backed by a 10‑year manufacturer’s warranty, the Trinity is ideal for modern homes seeking a precise, low-maintenance interior door.
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Trimming allowance: 16mm off any edge.
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Fast nationwide delivery available.
Key features:
- Black prefinished — ready to hang
- FSC® certified sustainable timber
- Solid core construction for strength and robustness
- Distinctive vertical triple square panel design
- Trimming allowance: 16mm off any edge
- Covered by Deanta’s 10‑year manufacturer’s warranty
- Fast nationwide deliveryFAQs:
1) Is the door ready to fit straight away?
Yes — factory prefinished and ready to hang; minimal on-site preparation required.2) What sizes are available?
Standard and bespoke sizes are offered.3) How much can I trim?
You can trim up to 16mm off any edge. Follow fitting guidance to preserve door performance.4) Is this door fire-rated?
This listing is a standard internal door. Fire‑rated are available separately5) Is the timber sustainably sourced?
Yes — the door is FSC® certified with full chain of custody.6) What warranty is included?
How long is delivery and is next‑day available?
Covered by Deanta’s 10‑year manufacturer’s warranty (terms and exclusions apply).
Fast nationwide delivery is available 3 to 5 working days. - Next‑day delivery is offered for an additional cost if the order is placed before 11am; lead times and fees depend on stock and location—contact customer service for exact pricing and availability.
| Manufacturer | Deanta Doors |
|---|---|
| Wood Type | Black |
| Finish | Pre Finished |
| Door Height | 1981 |
| Brand | Deanta |
| Finish | Supplied Prefinished |
DOORS
- Green & Yellow Zone Areas of the Delivery Map - Delivery is £49 inc vat
- Huddersfield Area Delivery will be Flat Rate £25.00 inc vat
- Orange Areas - postcodes WF / BD / LS & HX Flat Rate Delivery will be £49.00
- Blue areas on the map - On a weight basis, £50 for the 1st item & £5 per additional item. Maximum carriage £150.00
- All product Description Codes with "XL" or "LPD" ordered and paid for, before Monday 4 pm within the Green Area of the Delivery Map (stock allowing) will be delivered the same week, unless we have stated otherwise.
- Any Next Day Delivery queries please contact Sales for a price on Tel : 01484 643394.
- All Next Day Deliveries will need to be placed before 11am Weekdays (Next Day Deliveries are Monday to Friday Only)
- Handles & Ironmongery orders (UK) : Orders processed and paid for before 2pm are Standard next day delivery. Orders over £150.00 FREE Standard UK delivery next day.
- Orders less than £150.00 carriage charge of £15 applies.
If you are not completely satisfied with your purchase, simply return the items to us in their original condition and packaging within 14 days of receipt and we will issue a full refund (excluding original delivery & Collection charge).
Doors cannot be returned under the 14 day rule once unpacked unless the product is faulty. Cancellation must be in writing or by e-mail.
If you have ordered Bespoke Door(s) which are in production we are unable to offer a refund.
Internal Door Size Guide
| INCHES | METRIC MM | FEET & INCHES |
|---|---|---|
| (H) & (W) | (H) & (W) | (H) & (W) |
| 78 X 18 | 1981 x 457 x 35mm | 6' 6 x 1'6 |
| 78 X 21 | 1981 x 533 x 35mm | 6' 6 x 1' 9 |
| 78 X 24 | 1981 x 610 x 35mm | 6' 6 x 2' |
| 78 X 27 | 1981 x 686 x 35mm | 6' 6 x 2' 3 |
| 78 X 28 | 1981 x 711 x 35mm | 6' 6 x 2' 4 |
| 78 X 30 | 1981 x 762 x 35mm | 6' 6 x 2' 6 |
| 80 X 32 | 2032 x 813 x 35mm | 6' 8 x 2' 8 |
| 78 X 33 | 1981 x 838 x 35mm | 6' 6 x 2' 9 |
| 2040 x 526 x 40mm | ||
| 2040 x 626 x 40mm | ||
| 2040 x 726 x 40mm | ||
| 2040 x 826 x 40mm | ||
| 2040 x 926 x 40mm |
External Door Size Guide
| INCHES | METRIC MM | FEET & INCHES |
|---|---|---|
| 78 X 30 | 1981 x 762 x 44mm | 6' 6 x 2' 6 |
| 80 X 32 | 2032 x 813 x 44mm | 6' 8 x 2' 8 |
| 78 X 33 | 1981 x 838 x 44mm | 6' 6 x 2' 9 |
| 82 x 34 | 2082 x 864 x 44 mm | 6' 10 x 2' 10 |
| 84 x 36 | 2134 x 915 x 44mm | 7' x 3' |
External La Porte French Doors
| External Frame Size | Brickwork Dimensions |
|---|---|
| 4ft = 2074 x 1190 x 54mm | 2079 x 1195mm |
| 5ft = 2074 x 1490 x 54mm | 2079 x 1495mm |
| 6ft = 2074 x 1790 x 54mm | 2079 x 1795mm |
External Pre Hung Door Set Door Size Guide
| DIMENSIONS | EXTERNAL FRAME DIMENSIONS | BRICKWORK DIMENSIONS |
|---|---|---|
| For a 1981 x 762 x 44mm (30") Door | 850mm wide x 2067mm high | 855mm wide x 2072mm high |
| For a 2032 x 813 x 44mm (32") Door | 901mm wide x 2118mm high | 906mm wide x 2123mm high |
| For a 1981 x 838 x 44mm (33") Door | 926mm wide x 2067mm high | 931mm wide x 2072mm high |
| For a 2082 x 864 x 44mm (34") Door | 952mm wide x 2168mm high | 957mm wide x 2173mm high |
| For a 2134 x 915 x 44mm (36") Door | 1003mm wide x 2220mm high | 1008mm wide x 2225mm high |
