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Heat Insulating Plates

  • 24-02-2014 8:20pm
    #1
    robh71
    Registered Users, Registered Users 2 Posts: 156 ✭✭


    Really not sure where this post should live so Mod feel free to move if deemed non-applicable here.

    I am looking for substance, relatively thin in thickness that will prevent / reduce heat conduction been emitted from 35Watt halogen bulbs.

    I have 8 x 35 watt halogen bulbs mounted approx 12 mm away from 6mm pine wood. The purpose of which is to illuminate the wood - cut out to display countries of the world. The halogen bulbs are controlled by dimmable switches.
    The problem is that even after a short period of time the boards tend to heat up quite a bit and I'd like to see if there is some material that could be screwed to wood in front of bulb that protects the wood by preventing / reducing the heat transfer.

    Thanks in Advance for any suggestions


Comments

  • #2
    bduffy
    Registered Users, Registered Users 2 Posts: 405 ✭✭bduffy


    robh71 wrote: »

    I am looking for substance, relatively thin in thickness that will prevent / reduce heat conduction been emitted from 35Watt halogen bulbs.

    If you coat the glass then the energy can't escape and you'll burn out your light fittings.
    It might be easier to use a clear heat resistant lacquer on your wooden surface. Aerogel filled products might be a start.
    Alternatively use non-dimmable LED which are only 10% of the incident light currently being used, although you lose the effect.....


  • #3
    Cogsy88
    Closed Accounts Posts: 460 ✭✭Cogsy88


    What exact type of bulb are they? You might be able to get LED replacements dat produce much less heat? Or CFL,s.


  • #4
    robh71
    Registered Users, Registered Users 2 Posts: 156 ✭✭robh71


    I'll find out exact types. All I know is that they are halogen 35Watt. I really want to keep the 'dimmable' affect. As far as I know its not possible to get 'dimmable' LED's, hence my request into trying to find some substance that would protect the wood.


  • #5
    bduffy
    Registered Users, Registered Users 2 Posts: 405 ✭✭bduffy


    Plenty of lacquers on the market, it's just a matter of some homework.
    Useful video on this website, showing coatings for yachts, tables etc. that resist heat from coffee cups, irons etc.


  • #6
    robh71
    Registered Users, Registered Users 2 Posts: 156 ✭✭robh71


    Thank you bDuffy


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  • #7
    Cogsy88
    Closed Accounts Posts: 460 ✭✭Cogsy88


    You can get dimmable LEDs.


  • #8
    robh71
    Registered Users, Registered Users 2 Posts: 156 ✭✭robh71


    Thanks all for the responses. It looks like I'll go with the dimmable LED's as it seems to make most sense.


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