Door Knowledge Centre

Our Door Knowledge Centre explains the differences in materials, security, energy ratings and costs so you can pick the right door with confidence.

What is the Tremendous 10 from Hörmann Truedor?

Hörmann Truedor makes composite front doors in the UK, bringing together style, security and energy efficiency. Doors are designed and manufactured in modern UK facilities to keep quality high and lead times reliable.

So… what exactly is the Tremendous 10?

Tremendous 10 is a fast‑track offer: 10 specially selected door styles, 10 popular colours, ready in just 10 working days.*

Each door arrives with standard glazing (where applicable), a standard multi‑point lock, and a polished chrome handle and letterplate, so the essentials are included from the start.

*Please check with your local installer for lead time information.

Why it’s a smart, competitive offer:

  • UK‑made quality with glazing and core hardware included as standard.
  • Curated choice that’s easy to pick from—10 styles and 10 popular colours.
  • Quick, predictable lead times for easier planning.

Colours and styles you’ll actually want

Choose from 10 popular colours: Anthracite, Slate Grey, Ruby Red, Chartwell Green, Steel Blue, Fir Green, Tideway Blue, Larkspur Blue, Jet Black and White.

The styles are drawn from the wider Hörmann Truedor collections, so you can pick a classic or modern look to suit your home.

What’s included (and why it saves you time)

  • Standard glazing (where applicable) for a clean, finished look from day one.
  • Standard multi‑point lock for everyday security built in.
  • Polished chrome handle and letterplate, plus chrome viewer and chrome knocker on matching furniture for a neat entrance (where applicable).
  • Frame & access options – White or Anthracite on White frames; PVCu or low aluminium threshold; sills at 85 mm, 150 mm or 180 mm to suit your doorway.

Good to know

Tremendous 10 is for standard doors only (no Secured by Design, side panels, slam locks or pull bars).

Why Hörmann Truedor stands out

  • All door slabs are made in the UK, the UK design and manufacture support consistent quality and dependable lead times.
  • Clear collections, the Traditional, Cottage and Contemporary ranges cover most home styles, with lots of glazing and hardware options.
  • Sustainability -the brand measures, reduces and offsets emissions, with ClimatePartner accreditation supporting carbon‑neutral production claims.

Ready to get started?

Explore styles in this and use the Door Designer

For Tremendous 10 enquiries, email truedor.lei@hormann.co.uk.

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