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There are no grooves or ‘v’ lines running along ALTHERM profiles, and we have made sure that shapes and proportions are aesthetically pleasing.

Awning

AWNING & CASEMENT

ALTHERM awning windows are New Zealand’s most popular window format. 

Sliding 

SLIDING

ALTHERM horizontal sliding windows don’t project onto walkways and decks.

Bi fold

BI-FOLD

For a dramatic opening, ALTHERM bi-folds are hard to beat.

Custom

CUSTOM DESIGNED

Windows of all shapes, sizes and configurations are possible.

Roof

ROOF WINDOWS

These are the ideal choice for an overhead window that provides flexibility and thermal efficiency.