From formal entrance doors to sliders and bi-folds, ALTHERM has an option to suit every need.

At Alitech, we manufacture Altherm™ windows and doors for the residential market. We are committed to helping you make informed choices for your home and will do everything we can to provide you with the right information and assistance to get the results you need.

All Altherm™ window and door designs are tested to perform to the relevant New Zealand codes and standards. Most of our products exceed requirements ensuring your peace of mind. Altherm™ profiles provide robust stiff frames with modern lines ensuring your investment in joinery will stand the test of time.