So i'm not sure what stage your at with Premier but let me share my experience with you!
Back in April having already proved with IGSL tests that the levels of pyrite in the development common areas was up to 2.3% (anything over 1% is accepted as a problem) they agreed to allow people submit photographic evidence along with their claim form to process the claim - this we all did and after the 27th full visual inspection report was submitted by our engineer they reverted to tell us to stop sending these in as they were no longer willing to accept them, nor would they stand over their request for them earlier in the year. Now the spec for testing is per unit, 12 - 16 bore holes to be taken from the center of all ground floor rooms plus a full engineer report on the heave and damage caused. The cost for this per unit is serious, something like €10k, not to mention the cost of the floors that will be ruined and even then there is no guarantee they will accept the claim. It is likely that this demand will be followed by a series of further requests in order to stall the processing of the claim. It is the builders and my belief that they are going to keep stalling until the Menolly/Lagan case is complete which will take years.
On another note, Premiers policy is a defects insurance policy - unlike Homebond there is no onus on them to repay any professional fees, reinstatement of floors, fixtures and fittings etc - this is likely to cost an additional €50k in my case to return my house to what it was after I had finished decorating it.
Be very careful with Premier, they lure you in to see what your ability to act is and then pull the rug!