Alti window and door joinery catalogue

Welcome to the world of Alti. First introduced over a decade ago, Alti was the pioneer in composite (aluminium and timber) windows and doors, and continues to be market leader.

Alti's versatility means it can be used in a variety of applications, including renovations where it is important to retain the character of the home.
In new homes Alti can be used in a number of ways You can choose to install  Alti throughout your entire house, or you can mix'in match with our standard aluminium joinery by completing, for example, the living area only in Alti.

Visit our on-line Alti window and door joinery catalogue, below for more information.