Thread: Insulating roofspace over downlighters - are hoods needed ?

vik2001 wrote : the reason he said to drill some holes in the plasterboard was to let any heat generated by the downlights naturally escape. they are only very small holes made by a small drill piece. Shouldn't be necessary if the boxes are large enough. Quote: however i understand ban all shed saying not to allow ventilation, but the way is see it, that if a little hot air escapres from within the cover its a good thing. No, it's a...

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vik2001 wrote : i dont think u can go wrong with the way i did it.... Except that you fail to meet any of the building regs that covering the downlighters is supposed to meet. The idea is to provide a moisture seal and allow the insulation to be continuous over the lights. If you are going to drill holes and leave the boxes uncovered then why bother at all Just cut a 30cm hole in the insulation around the them and leave the opening into the...

mikeyw wrote : poxy things Applicable to both the covers and the lights.

the reason he said to drill some holes in the plasterboard was to let any heat generated by the downlights naturally escape. they are only very small holes made by a small drill piece. however i understand ban all shed saying not to allow ventilation, but the way is see it, that if a little hot air escapres from within the cover its a good thing. when making the plasterboard boxes make them so they fit snug in between the joist spaces (that...

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bloxy wrote : I also fail to understand the dislike of down lighters when properly installed. Theres the issue! There is no way to correctly install them in an upstairs ceiling, without contravening one building regulation or another (spread of fire, moisture control, heat control etc), or severely shortening the life of the bulbs. bloxy wrote : If you have down lighters and want to keep them and insulate over them then use Loftcaps. It...

Lower wrote : ...As such they have a removable bezel which might not be perfectly sealed but isn't far off so moisture migration shouldn't be an issue... You are correct. All of the types I've seen with the glass front have a proper silicone or neoprene seal that prevents moisture migration. All you have to worry about is ensuring adequate clearance between the fitting and your insulation.