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i guess it depends on where in the insulation that pipe is.
Im going to fit 67mm kingspan k118 and as the boards are not quite tall enough for the room I’m leaving a space for the pipe runs with a thinner k118 board at the back leaving enough room for the pipe run, cutting back the 12mm PB on the thicker board leaving PIR exposed so i can bond a 9mm sheet to that and a 2x1 nailed to the floor to cover the pipes and then a skirting board over that.
I’m internally insulating 2 exterior walls. I need to move the radiator inwards but this this joist is in the way. What’s the best solution here? I’m thinking running the tails inside the insulation and coming out of the wall at 90 degrees.