DOUBLE GLAZING VS SECONDARY GLAZING
Double glazing: factory-made ‘insulating glass unit’ (IGU) Secondary glazing: an extra layer of clear material – usually perspex, plastic film, glass, or even bubble wrap – added to an existing single pane of glass with a gap in between.
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en-nz
2021-11-01T07:00:00.0000000Z
2021-11-01T07:00:00.0000000Z
https://thisnzlife.pressreader.com/article/282595971072417
NZ Lifestyle Magazine Group