I used 4 square metres or mat, covering the footwells, bulkhead (double layer on the bulkhead) all of the floor, under the back seat and the spare wheel well.
The difference is marked I was amazed how high I had the radio set when I turned it on it was much too loud. And the road noise and rattles are greatly improved. I might put some more sound proofing space layer on later, but for now it'll do.
Three meters would have done one layer but I wanted to double up on the bulkhaed and in the boot.
The cd player sounds a million times better now.
It took me a full day to do from start to finish.
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I did think of leaving the carpets out and driving round in what looked like the inside a space capsule.
