cavity blocks

  1. EugenesDIYDen

    Mushroom Fixings - How Many for an 8 x 4 Sheet?

    So I'm insulating the kitchen with 63mm overall, insulated plasterboard. Kingspan recommended using 18 fixings per board and this is how many I used for attaching the first board. However it seems OTT. Looking at what other people suggest online, I've seen anything ranging from 6 per board to...
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