Single glazed chaged to double glazed
Our double glazed system is fully thermally broken and meets British Standard BS6375.
These results have never been achieved before with a sliding folding system.
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Original single glazed system changed to new hermetically sealed double glazed. |
 Fully closed |
 Partially open |
 Fully closed |
 Partially open |
 Fully open |
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 Fully closed |
 Partially open |
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