Hello need to spend a good few hours in the loft it was a concrete flat roof with a pitched roof installed over it so has a thick layer of rock wool all over it we have moved house so I have a ton of boxes and the like to go up there know this stuff is nasty to breathe and skin irritant but I have spent a good half hour at bandq trying to find the correct respirator and I am struggling can anyone recommend one will use a tyvek suit to stop skin content many thanks