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Tiling on Underfloor Heating
Tiling over overfloor heating system - Wundafloor
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[QUOTE="Old Mod, post: 892378"] Did granfix admit there was a chemical reaction possible? To my knowledge ultra recommend their MSP primer noft Ultra Prime It, that’s two separate products. Yes Paul, Mapei do indeed have a recommended installation for wunda floor ufh. Two in fact, one including latex, one without. Can’t bring them to mind presently. Gill. You need to bed your tiles in a solid bed of adhesive. A 6mm trowel will NEVR achieve a 5mm solid bed of adhesive. The problem is that theses people do not lay tiles for s living, so their installation advice is not based on experience. As I said earlier, a 10mm trowel will only achieve around 3-4mm SOLID bed. Experiment yourself, get a piece of glass and trowel a piece of board with adhesive and press glass into it and watch how it behaves. Rock the glass forward and backward so as to collapse the ribs created by the trowel until such time you can see no voids beneath the glass, this is classed as a solid bed, then measure the depth. Yes a 10mm SOLID BED is much too thick and will be effected by rise and falls in temperature. That’s where the confusion lies I’m sure. The difference between terminology used and actually understanding what you’re talking about. [/QUOTE]
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Tiling on Underfloor Heating
Tiling over overfloor heating system - Wundafloor
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