Internorm – Europe’s leading window brand

As the South Regional Service Engineer for Internorm the Treadwell team are available to supply and service Internorms unique high end products.

There are four styles to choose from within the Internorm range.

STUDIO

Internorm Studio Range

New technologies, trendsetting architecture, clear shapes and minimalist design. A high living standard.

HOME PURE

Internorm Home Pure Range

Style and good taste. Out of the ordinary items and purist aesthetics. Light-flooded, bright rooms. Straight-lined, square-edged shapes.

HOME SOFT

Internorm Home Soft Range

Soft lines, delicate design, form and function for calm living. Triple glazed composite windows in different materials.

AMBIENTE

Internorm Ambiente Range

Art nouveau, traditional, classic houses and elegant country estates. Exclusive, tasteful living. Timeless classic and elegance.

A history of Internorm

Internorm has been a family business for more than 85 years, developing from a one-man band to the largest window brand internationally.

A pioneer in the field, Internorm was the first licensee to manufacture UPVC windows in Austria, which is where they now manufacture exclusively.

Today more than 22.5 million window and door units have left their sites.

The technological know-how and an excellent feel for design lead to continuous peak performances.

Internorms’ high-quality products are only sold via selected distribution partners, one of whom is Treadwell; guaranteeing high service competence.

Internorms strengths

  • Pioneer in UPVC windows
  • Total window system concept
  • Leading expertise in highly thermally insulating and window systems for passive houses
  • Security of an international market leading bran

Click here for a full matrix of products

Just some of our selection. Please contact us about your requirements.

HS 330
Timber/Aluminium
Lift-sliding door

HS330 Internorm Ambiente Window, south west England

KS 430
UPVC
Lift-sliding door

Internorm KS430 Lift & Slide Door UPVC

KF 200 WINDOW
UPVC & UPVC/ALUMINIUM

KF200 Home Soft from Internorm UK

KF 200 WINDOW
UPVC & UPVC/ALUMINIUM

KF200 Ambiente Internorm Window

HF 210 Window
Timber/Aluminium

HF 310 Window
Timber/Aluminium