If we additionally bear in mind the thickness of the pool wall in its particular material, we arrive on the R-value. This is the thermal resistance, and thus describes how well the material resists transporting warmth.The higher this value, the higher. An insulation material that incorporates reflective foil on a minimum of one aspect is known as foil-facing insulation and is often ma... http://wiki.giroudmathias.ch/index.php?title=Roof_And_Podium_Swimming_Pools_Lightweight_Stainless_Solutions