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Our accredited network of installers offers the highest quality uPVC and aluminium products with excellent customer service.

Trade Customer

Access our latest technical information, product content, video archives, media centre, Sternfenster Plus and much more.

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What Is Reveal A Deal?

Keep an eye on the post! You’ve been sent one of our Reveal A Deal scratchcards!

With this card, you will be in with the chance to win fantastic discounts from Sternfenster when you become a part of our Approved Installer Network!

Sternfenster Scratchcard
How We Do Business?

Market Leading Products

By registering to join our Approved Installer Network, you can offer your customers market leading products that have been endorsed by installers across the country.

Our Product Range

Rich Media Library

Gain access to a unique rich media hub, packed full of high definition pictures, videos, brochures and installation guides of our industry leading products!

This months product is... Aluminium Bi-Fold Doors!

Market Leading Aluminium Profile.

Our aluminium bi-fold doors are designed to improve strength and weather resistance, all main sections feature an extended Polyamide thermal break. These robust sections enable the creation of large apertures, providing maximum light and views.

  • Any RAL 10 Day Lead Time
  • Simple Installation
  • Secureplus Guarantee
  • U Value of 1.8 W/m2k
  • Secured by Design
Discover The Hidden Product

Scratch the card to reveal this months product!

Find out what's hiding under the scratchcard. Use your finger or mouse to scratch off the product offering this month!

Stay tuned monthly for new product offers!

Marketing Offering

Installer Sub-Site

By registering to join our network, you'll benefit from your very own sub-site, helping your customers find you right here on our website! Never miss a lead again!

A Partnership That Works

Unbeatable Guarantees

You will receive excellent product warranties, including 20 years on sealed units, 12 years on PVC profile and 5 years on hardware! PLUS a SecurePlus guarantee up to £2000!


What To Expect From Reveal A Deal?

We are sending out our Reveal A Deal scratchcards once a month, with new and exciting discounts to be won each time!

You can return to this page each month to reveal the new product !


Terms and Conditions:

Claim your offer and start selling Sternfenster products. One time introductory offer only, to be used on first purchase of trade products, with £1,500 minimum spend. Offer expires December 2021.

Become Sternfensters Next Approved Installer

Get all the benefits of being a part of our Approved Installer Network!