Loft Insulation

urddas · 10 Dec 2003

I thinking of renewing my loft insulation with polystyrene boards. I am querying whether I need a special type of board, to meet building regs.

Thanks

Huw

masona · 10 Dec 2003

Not sure about this one,best to ring your local building control for free advice as polystyrene boards are not fire-proof so I don't think it's acceptable but I may be wrong.

DAZB · 11 Dec 2003

Kingspan insulation with the silver foil skin is widely used in roof spaces so it must have approval but it is way more expensive than polystyrene.

oilman · 13 Dec 2003

I've got some boards which I think are called "F board". They are used for external insulation and I understand they are polystyrene. They are fireproof, (well I can put a blowlamp on them for a few minutes and they don't burn, and that's with my hand behind.

Does anyone know any more about them?

sdelasal · 24 Dec 2003

Is there anything wrong with insulating a loft hatch with 2" polystryene - the stuff that breaks off beads as you scratch it? I remember somehting as a kid about fire risk but can't see that's significant for a cover in the loft. Can I paint the stuff to seal in the 'beads'?
Stee

oilman · 24 Dec 2003

Since there are other much safer materials than this about, I wouldn't have it in the house. The things you have in a house are pretty dangerous anyway, but this stuff is the pits.

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Loft Insulation

urddas

masona

DAZB

oilman

sdelasal

oilman

DIYnot Local

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