Reverse Butt Joint by Stellar Aluminium Systems

Butt wait, there's more...
Our ground-breaking aluminium systems offer innovative reverse butt joint capability, eliminating the need for dummy sashes or reverse adaptor profiles.
It's a patent-pending design that simply eliminates the complexity and expense from making internally glazed windows. What's more it's possible to avoid the problem of stepped frames. There really is a fully flush, easy to fabricate and install windows on the market.