Two inches of rigid foam has an R value of only about ... the usual thing I see where people try to install batt insulation between the floor joists from underneath. Besides being a big pain ...

Mineral wool beneath ground floor floorboards. For concrete floors rigid foam insulation can be used. Trapped air between carpet threads, wool fibres and within foam reduces heat loss by conduction.

The global polyurethane foam market is witnessing robust growth, driven by expansions in the building industry, increasing demand from the furnishing sector, and widespread application of flexible and ...