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Board of choice

Discuss Board of choice in the Canada Tile Advice area at TilersForums.com.

NMP for wooden/non UFH floors, PCS for UFH

Would a marmox or pcs insulation board not be used on a ground floor floor boarded floor because of its insulation features? Or is it not meant for overboarding (strengthening) [i haven't used these boards is why I ask]
 
Would a marmox or pcs insulation board not be used on a ground floor floor boarded floor because of its insulation features? Or is it not meant for overboarding (strengthening) [i haven't used these boards is why I ask]

Tend to sell PCS/Marmox type boards when UFH is involved for themal properties, NMP when you need to strengthen the floor
 
Then we are back to the old question. Does cement boards add strength to a floor ?? Not in my eyes.

I think it adds strength in the sense of when cross bonded, it strengthens tension horizontally. In another sense it shouldn't be used to stop deflection but due to its strength integrity it doesn't bounce or move when under foot ( like any floor does, be it however fixed you can sometimes here it creek/ make noise because it moved) so generally strengthens in once sense or another.

It obviously doesn't strengthen the existing floor apart from horizontal stresses.
 
hardie dimensions are bigger than NMP, not by much, but enough to make handling hardie in a small bathroom more awkward than NMP, that's the only reason tbh.

Thanks mate, ill keep that in mind.
 

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