Definition. For the model dwelling, LDPE foil is the best floor insulation: the lowest emissions of the floor materials (2.2 kg CO₂-eq/m²), the cheapest at €0.50/m² and the best building-performance score (€0.007/m² per year).
PS beads and perlite score worst for floors. In this model dwelling floor insulation has little effect on heat loss, but it improves comfort by slowing moisture. New Economy’s circular insulation study for Amsterdam reports this.
- LDPE foil is the best floor insulation for sustainability and cost