SECONDARY GLAZING SCOTLAND

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E-mail secondary.glazing@ntlworld.com

GLASS TYPES

4 MM

6 MM

Toughened

K  Glass

Sealed units

ADVANTAGES

Improves the performance of existing windows

Improves thermal insulation

Improves draught-proofing

Improves acoustic insulation

APPLICATIONS

Secondary windows provide improved thermal and acoustic insulation performance, In situations where it is necessary or desirable to retain existing windows.

The systems therefor have a wide range of applications, the designs being constantly updated to conform to current regulations

HEAT LOSS THROUGH GLAZING MEASURED IN U-VALUE

Single glazing ..............................................5.5

Secondary Glazing .......................................2.9

Double Glazing..............................................2.8

Double Glazing Argon Filled............................2.5

L2 regulations................................................2.2

L3 regulations................................................2.0

Secondary Glazing K Glass............................1.9

Double Glazing K Glass..................................1.8

Double Glazing K Glass Argon Glass Filled......1.6

The above is an approximate guide