insulation boxes for downlighters

[Jonny66]

Dont think your suppose to, I believe your suppose to battern it out so its lifted off the light. But I'd just bore it out and make a nice little gap all around the light with a stanley cos I couldnt care less about the u value.but thats just me

 

[richy3333]

Why can't you ad the cost of the boxes/hoods to the job? Fixed price? If so fit em, bite the bullet and sleep easy at night. Live and learn mate.

 

[SJD]

..however, sod the £9 metal boxes, ...

I need quite a few of the metal boxes for a loft, and started looking around to see if it really is necessary to pay £9 each for a small sheet of metal. Best I've seen so far is £4.75 excl. VAT and shipping, if I buy 25 then it will work out at just over £6 each incl. VAT and shipping.
Aurora A2-DIG250 Galvanised Steel Downlight Insulation Guard L:220mm x W:220mm x H:140mm, A2-DIG250

 

[Jonny66]

Waste of money, a sheet of plasterboard cost about £5, and you could probably make about 6 flat covers with it.....

 

[SJD]

Waste of money, a sheet of plasterboard cost about £5, and you could probably make about 6 flat covers with it.....

If this was my own house, I'd probably do as you say.

But in this case I don't want to take any risk that I installed something that was not fit for purpose, e.g. in event of subsequent problem (like a fire).
At least buying a product approved for what I'm using it for means I only need to ensure it is installed per manufacturer's instructions and intended application.

 

[Jonny66]

Cant see there being any problems what so ever using plasterboard to bridge over downlights.........plasterboard is not flammable, it will keep the insulation off the downlights and provide the desired air gap around the light....... this would be no different (well not much) from say fixing the recessed downlights below the ceiling just like a surface mounted light.

 

[Robert Turnbull]

What are you meant to do on a vaulted ceiling?

When ever i've fitted down lights in these (New build/extension i.e. new ceiling) i've told them to leave 300mm gaps the the celotex for the fittings.

This has now made the insulation non continuous ??

 

[Jonny66]

Yep, I've done same, but come on in the scheme of things who cares..I know I dont ...

 

[Heisenberg]

fitting downlighters in a new build house into bathroom ceiling with about 1m of insulation above.

1 metre of insulation :rolleyes4:

Are you having a laugh?

 

[i=p/u]

air gap between this and planes

 

[shocking_eg]

just because there LED it doesnt mean the fitting can be covered with insulation ! Some LED's can produce quite alot of heat still so if they are running warm im sure they wont last 5 mins