FAQs
What adhesive should I use for underfloor heating?
The best adhesive to use for underfloor heating will be an adhesive that has been coded with either S1 or S2. This code that appears on the packaging of any applicable adhesive indicates that the adhesive is a deformable adhesive which means it can withstand movement - such as the expanding and contracting of floors where underfloor heating has been installed.
How much adhesive do I need over electric underfloor heating?
For electric underfloor heating, it is advised to provide 1.8kgs per 1mm depth per m2 of adhesive. This ensures that there is enough adhesive to form a strong bond with the components of the underfloor heating system. You can find out more information on our dedicated 'How Much Adhesive Do I Need?' guide.
Do you need flexible tile adhesive for underfloor heating?
It is advised to use flexible tile adhesive for underfloor heating, or a tile adhesive that has been coded with either S1 or S2.