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install insulation boards | tile backer board
How to fit underfloor heating insulation boards
HeatStore™ tile backer insulation boards
Wooden sub-floors
Wooden sub floors should be free from dust, oil and debris, they must also be level, 6mm tile backer boards must be stuck to wooden subfloors using a suitable cement based flexible tile adhesive in line with the Tiling Federation recommendation, 10mm tile backer board 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 guide you should allow 1 week per 25mm but this is dependent 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, HeatStore™ insulation boards can be stuck down using a suitable cement based tile adhesive
Primer/Sealer
Always use 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.
HeatStore™ XPS Premium insulation boards
Wooden sub-floors
XPS Premium insulation boards are not suitable for fixing over flexible wooden subfloors, we recommend you use tile backer boards for this type of installation as they have a cement coating and are much tougher.
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, XPS Premium insulation boards insulation boards should be stuck down using a suitable cement based tile adhesive
Primer/Sealer
Always use 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.
The Underfloor Heating Store are Approved By Ultra Tile Adhesives | Registered in England and Wales No. 5687171 VAT No 877635667
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