Total coverage, probably 5 boxes of silent coat @ £80 each, 4 rolls of 12mm dodo mat @ £60, 1 roll of 100mm insulation @ £40, a roll of 35mm @ £30 and a tin of adhesive spray @ £5. If you do it yourself that what it would cost plus your time. I bet if you took it somewhere they’d want £1000 on...
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