How to fit underfloor heating insulation boards
Marmox insulation boards
Wooden sub-floors
Wooden sub floors should be free from dust, oil and debris, they must also be level, 6mm marmox boards must be stuck to wooden subfloors using a suitable cement based flexible tile adhesive in line with the Tiling Federation recommendation, 10mm marmox can be either stuck down or it can be screwed down using our fixing packs.
Concrete sub-floors
If the floor is a new concrete screeded floor it should be allowed to cure naturally – as a guid you should allow 1 week per 25mm but this is dependant upon weather conditions and always check to make sure the floor is fully dried out. If the finished concrete floor is not level, a thin layer of latex levelling compound can be applied to give a smooth, level even surface, marmox insulation boards can be stuck down using a suitable cement based tile adhesive
Primer/Sealer
Always use of a suitable Primer recommended by the adhesive manufacturer on both concrete and wooden sub-floors to seal the sub-floor, before applying any tile adhesives or latex levelling compounds.
For more information on the underfloor heating stores range of suitable, flexible tile adhesives and flexible levelling compounds: click here.
Blueboard insulation boards
Wooden sub-floors
Wooden sub floors should be free from dust, oil and debris, they must also be level, the tile federation reccomend that a suitable plywood base should be installed to strengthen the floor, the blueboard must be stuck to wooden subfloors using a suitable cement based flexible tile adhesive in line with the Tiling Federation recommendation.
Concrete sub-floors
If the floor is a new concrete screeded floor it should be allowed to cure naturally – as a guid you should allow 1 week per 25mm but this is dependant upon weather conditions and always check to make sure the floor is fully dried out. If the finished concrete floor is not level, a thin layer of latex levelling compound can be applied to give a smooth, level even surface, blueboard insulation boards should be stuck down using a suitable cement based tile adhesive
Primer/Sealer
Always use of a suitable Primer recommended by the adhesive manufacturer on both concrete and wooden sub-floors to seal the sub-floor, before applying any tile adhesives or latex levelling compounds.
For more information on the underfloor heating stores range of suitable, flexible tile adhesives and flexible levelling compounds: click here.
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