Introduction

This is a single sealed unit but when glazed appears to be 4 smaller units. Note the 8 lengths of spacer bar inside the unit.

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So what is a Duplex System?

Duplex Key Systems are designed to enable the fabrication of single sealed units which appear to be an array of multiple sealed units. There are two possible ways of achieving this:

Duplex Key Systems.

These consist of end keys and centres which allow the use of two lengths of spacer bar to be placed side by side with a small gap between. After fabrication, an external Georgian bar is fixed onto the outside of the glass on both sides over the spacer bar pair. This gives the illusion that multiple small sealed units have been used.

Double Face Spacer

This is a special spacer which has two faces. Again, after fabrication, an external Georgian bar is fixed onto the outside of the glass on both sides over the spacer bar.

Special Swisspacer

DGS offer a range of components for Swisspacer. These can be used with standard Swisspacer but we also stock Swisspacer without the moisture barrier foil, this reducing costs.

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