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Why don’t you recommend aluminium-backed fabrics?
Whilst we have always offered the option of aluminium backed fabrics, they are increasingly unsuitable to modern conservatories and we strongly advise against them in conjunction with solar glass or high-performance roof glazing.
Some retailers selling what they claim to be “conservatory blinds” (but are most definitely not) only offer aluminium-backed fabrics – probably because they are much cheaper.
The main reason that we do not recommend aluminium backed fabrics is because of the extreme heat build-up behind the fabric.
If you use aluminium backed blinds then the highly reflective surface traps the heat behind the blind which cannot escape back through the glass (before K-Glass was introduced in 2002 the heat would simply reflect back out). This is the main issue that roof manufacturers have with these blinds, as this super-heated air can cause the UPVC rafters and neoprene gasket to overheat.
Many roof manufacturers and conservatory builders have even gone to the extremes of trying to stipulate how blinds should be fitted because of this in an effort to limit their guarantee.
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The other downsides with aluminium backed fabrics (regardless of glazing) are:
Aluminium backed fabrics are not washable
Aluminium backed fabrics are very shiny
Aluminium backed fabrics can oxidise
Aluminium backed fabrics can cause condensation
Aluminium backed fabrics cut down a lot of light
Aluminium backed fabrics require more hardware in a blind
For more information, contact us for free technical advice and to compare fabrics in your own conservatory.
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