roof was replaced eight years ago soon after there were leaks in the roof caused insulation toget wet then dry now the insulation is packed hard and has started to turn into power who would be responsible to replace the insulation.
Only you. 8 years is long past any roofer's warranty
House Owner, Land Lord. If you are the house owner, contact the people who did the work on your roof, find out what your warranty is.
Sorry; I don't know of any roofer that would take responsabilty after eight years. Unless your insurance might be an option. Check with them and decide if your deductable is more than the repair if you would be better off doing it yourself. I would also be concerned about underlying materials, sheet rock, lumber, MOLD. You need someone to check thoroughly for mold being as it has been so long. GOod luck; Flip;