The Tux is built on Endurance's 48mm solid engineered-timber core, so it stays rigid in Cornish wind and driving rain rather than flexing like a foam-filled slab. Roughly 9% of the face is glazed across 6 apertures, and every unit is fitted with toughened, argon-filled double glazing as standard. Supplied and installed across Cornwall by our own CERTASS-registered fitters, finished in any of the 20 Endurance colours shown on this page.
Cornwall Composite Doors fits the Tux more often than most of the half-glazed range, with 9% of the face glazed across 6 separate apertures. That proportion of glass is deliberate rather than decorative: a mid-sized run like this balances daylight against privacy. Every unit is toughened and argon-filled as standard, and the 6-aperture layout is what gives the Tux its particular rhythm on the door face.
On site, the Tux tends to get chosen for the same reason twice over: it suits family front doors, and the half-glazed layout gives homeowners exactly the balance of light and privacy they were describing before they'd seen a single sample.
Written by Cornwall Composite Doors·Reviewed by Cornwall Composite Doors installers
Choose a colour
On-screen colours are rendered from our own studio photography of each door and will vary slightly with your screen. Ask us for a physical colour sample before ordering.
10-year Endurance manufacturer guarantee, colour included
Fitted from
£1,850 supplied and installed in Cornwall
Best suited to
Family front doors
Semi-detached homes
Dark hallways
This is a half glazed design. Anthracite Grey delivers architectural impact and reads sharp against brickwork, render, granite and slate across Cornwall.
Fitted by our own CERTASS-registered installers right across Cornwall — Truro, Falmouth, Newquay, Penzance, St Austell, Bodmin, Camborne, Redruth and every village between.
Reading the Tux's proportions on a real frontage
With 9% of the face glazed across 6 apertures, the Tux sits comfortably on dark hallways — the glazing is proportioned to lift a hallway without turning the entrance into a shop window. On a pale render elevation the panel lines read as intentional rather than decorative, which matters on the terraced streets around Camborne and Helston where every door on the row is visible from the pavement. If your hallway is genuinely dark, this is one of the better-lit options in the half-glazed category without stepping up to a full-glass design. As with every Endurance design, the Tux is backed by the 10-year manufacturer guarantee covering the core, the hardware and the colour finish, regardless of which property type it's fitted to.
Getting the colour right on the Tux
The Tux's 6-aperture glazing pattern photographs well in Irish Oak, where the frame lines around the glass stay crisp rather than disappearing into the panel colour. Black is the other finish we would put in front of a customer choosing this design — it is muted enough that the glazing, not the door colour, is the first thing you notice on the half-glazed face. For a bolder frontage, Chartwell Green gives the same proportions a completely different character without changing the layout at all. Whichever you choose, ask to see a physical sample against your own pale render; screens flatten differences that are obvious in daylight. Dual-colour finishing — a different shade inside and out — is available on the Tux at no extra cost, which is worth considering if the hallway decor doesn't match the exterior palette you want.
Hardware and glass options for the Tux
We would default the Tux to an obscure design such as Clarity across all 6 apertures if the door opens straight onto a pavement, and offer Neo as the upgrade where more visibility through the glass is welcome — a rear garden door, for instance, or a porch that already screens the view. On hardware, this panel layout carries a slim lever handle well; a bulkier traditional set can look slightly out of scale against apertures this size. Multi-point locking and a 3-star anti-snap cylinder are fitted as standard regardless of glass or colour choice, so the security specification doesn't change whichever route you take with the Tux.
From Bude to Land's End, Padstow to the Lizard — our Cornwall-based surveyors and installers fit composite doors across every town, village and coastal parish in the county. Same standard, same 10-year guarantee, wherever you are.