Given the choice do you think is better and why
Kingspan Kooltherm K8 Cavity Board rigid phenolic insulant
Or
The core of Kingspan Thermawall TW50 polyisocyanurate (PIR) insulant
And which of kingspan's products is best for underfloor heating
Given the choice do you think is better and why
Kingspan Kooltherm K8 Cavity Board rigid phenolic insulant
Or
The core of Kingspan Thermawall TW50 polyisocyanurate (PIR) insulant
And which of kingspan's products is best for underfloor heating
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