Per­ma­nent sec­ondary glaz­ing

Avail­able from: spe­cial­ist glaz­ing com­pa­nies In­stal­la­tion: by pro­fes­sion­als

NZ Lifestyle Block - - FEATURE -

These prod­ucts work by form­ing a sealed, in­su­lat­ing air gap on the in­side of ex­ist­ing, sin­gle glazed win­dows. To work prop­erly there should be at least 1cm be­tween the ex­ist­ing and sec­ondary glass.


• in­stalling a new dou­ble glazed glass unit into the ex­ist­ing sash;

• re­plac­ing ex­ist­ing sashes with new, dou­ble glazed sashes;

• in­stalling sep­a­rate alu­minium-framed sec­ondary glaz­ing on the in­side of the ex­ist­ing glaz­ing, typ­i­cally in­stalled as slid­ing panes in frames fixed to the in­ter­nal win­dow sill, jamb and head re­veals.

The ad­van­tage of these types of prod­ucts is they can be in­stalled with­out hav­ing to re­move the win­dow and re­place it, and de­pend­ing on the type you get, they can be cus­tomised to al­most any type or shape of win­dow mean­ing there is no change to the ex­te­rior look of your home, and the win­dows re­main func­tional. Your view will still ap­pear as if you’re look­ing through glass, but the glaz­ing pan­els used tend to be sig­nif­i­cantly stronger and far less likely to shat­ter.

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