can I use spotlights in a ceiling with a concrete roof...


Postby j4cse » Sun Jul 19, 2009 4:45 pm

I am putting up a new plasterboard ceiling which has battens on a concrete roof. Would it be better to use 12v spots for the main lighting instead of the 240 due to the lower heat generated and the fact that I will not have any access from above to the lights with it having a concrete roof, or would it be easier to use 240 with not having to have a transformer to conceal, though I only have about 60mm clearance so this may limit my options with the 240v...?
Many Thanks
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Postby sparx » Sun Jul 19, 2009 6:53 pm

hi, very little difference in heat since watts = heat irrespective of voltage!
as you say transformer will just be an added problem, stick with mains light
regards Sparx
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Postby j4cse » Sun Jul 19, 2009 9:11 pm

cheers, yeah, if I am able to find some mains lights that will fit into the roof space as only about 60mm clearance. with 12v spots they seem to require much less space, its a low ceiling anyway so lowering it wont really be an option.Do u know if there are mains spotlights that are able to fit in ?.
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Postby moggy1968 » Sun Jul 19, 2009 11:35 pm

60mm is probably the wrong side of cutting it fine even on 12v, they need about 90
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Postby kbrownie » Tue Jul 21, 2009 3:28 pm

Spotlights or down lights?
What is the roof above ie garage or a living area?
Can you put in a false ceiling?
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