What happens if the vacuum glass gets broken? What happens if the glazing loses its vacuum insulation? Will it be replaced with double glazing or do we need to wait 12 weeks for vacuum glazing arrival? Can I opt out of the vacuum glazing? 

Some standard size panes of vacuum glazing will be kept as replacement spares, others will be ordered and replaced on delivery. It is anticipated that a single glazed unit will be put in temporarily where a pane has been broken until the vacuum glazed unit is available. We are not aware that the vacuum glazing loses its insulation or seals but if a fault does become apparent then it will be replaced.

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