
Darlington, County Durham
COR Vision Slim Sliding Doors in Darlington
Ultra-slim 20mm interlock sliding doors built on Cortizo COR Vision systems for clean lines and maximum glass.

- Sightline
- 20mm Interlock
- Max Config
- Up to 6 Sashes
- Panel Guide
- ~2500 x 3000mm
- Lead Time
- 4–6 Weeks
Darlington. Photo by Robert Graham, CC BY-SA 2.0
COR Vision Slim Sliding Doors for Darlington homes and sites
COR Vision is the specification to reach for when an architect has drawn a minimal sightline and a standard patio door will not hold the detail. It is a heavier, more demanding system, so the structural opening and the lifting access both need thinking about before order.
We supply cor vision slim sliding doors across the DL postcode area and the rest of County Durham — Stockton-on-Tees, Bishop Auckland and Middlesbrough are all on the same delivery run, so if you are coordinating more than one property it is worth ordering them together.
Getting it to Darlington
- 5–12 working days from confirmed sizes
- Our own fleet on scheduled regional runs — 50 miles due north of Leeds, about an hour on the A1(M)
- We survey in this area on planned visits — we will group your survey with other work nearby, which normally means a slot inside a week or two.

COR Vision Slim Sliding Doors — key specification
The same specification applies wherever we deliver. For the full detail, drawings and options, see the Cortizo COR Vision Sliding Doors product page.
- Ultra-slim 20mm central interlock
- Maximum glass-to-frame ratio
- Large panel sizes up to 2500 × 3000mm
- Thermally broken Cortizo aluminium profiles
- High-performance double glazing as standard
- Fleet delivery with fixed dates
COR Vision Slim Sliding Doors in Darlington — questions we get asked
What makes COR Vision different from a standard sliding door?
The interlock between panels is dramatically slimmer, so two panels meet in a near-invisible join rather than a visible frame. It is the system used where the glass is meant to read as a single plane.
Do you need special access to install these in Darlington?
Often, yes. The panels are large and heavy, and many installations need glass-handling equipment or a crane. We will flag the lifting requirement at quotation so it is priced in rather than discovered on the day.
How quickly can you deliver cor vision slim sliding doors to Darlington?
5–12 working days from confirmed sizes. Darlington is roughly 50 miles due north of our Leeds factory — about an hour on the A1(M) — so delivery is by our own fleet on scheduled regional runs. You get a guaranteed fixed delivery date rather than a courier window.
Do you offer trade prices on cor vision slim sliding doors in Darlington?
Yes. Installers, builders and fabricators across the DL area — Darlington, Stockton-on-Tees, Bishop Auckland and Middlesbrough — can open a trade account for published trade pricing, a named contact, and delivery to site or yard.
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COR Vision Slim Sliding Doors for Darlington — get a price
Send your sizes or drawings and we will come back with a price, a lead time and a delivery date.
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