Calculation of heating power of convector covered in the loft:

• Please, count it as wall convector.
• Calculation is attached here. Note: The calculation works with total active length of exchanger, please do not forget to make ca 25 cm of length of exchanger deduction to necessary armatures.
• We cannot recommend to make cover of heating tubes FOXIS from plaster board, if you want to keep the same look as existing wall, there would be better to use chipboard, easy to surface adjust and to assembly or disassembly because of holders addition.