Am I covered for a broken water pipe within my concrete sla

I have an ho 3 policy.On a Friday night I discovered a water leak underneath my tiled floor.(it was hot water I could feel it with my feet)Saturday morning I called my insurance company to seek advice,of coarse no one was there.Later that morning I went and rented a jack hammer and proceeded to expose the leak.In doing so I had to destroy 6 12" floor tiles.I eventually exposed the leaking water pipe and temporarally stopped the leaking pipe with a putty type sealer.On tues. the insurance ajuster came by and had me sign a paper that said there was no damage caused by leaking water.(Which I did sign)He told me that the insurance company would not pay to have the plumbing repaired and that i should call a plumber myself ,which I later did.He then asked me if I had any matching floor tile on hand,when I told him no he proceeded to measure the rest of the tiled portion of the house which is about 900 square feet of matching tile.As of today about 3 weeks later I still have a hole in my floor and my insurance claim has been denied.