In homes the use of materials with a high heat storage capacity (such as brick, limestone, natural stone …) is a big advantage. The heat storage capacity c (J / kgK), or inertia of a building material is the capacity of the material to store heat and to slow issue again. It works regulating.
Heat storage capacity c of some insulating materials:
Insulation from renewable raw materials c
Flax 1550 J/kgK
Hemp 2100 à 2500 J/kgK
Paper flakes : 1940 à 2150 J/kgK
Wood fiber 2000 à 2100 J/kgK
Cork 1670 J/kgK
Sheepswool 1720 J/kgK
Straw 2100 J/kgK
Insulation of mineral raw materials c
Perlite 900 J/kgK
Vermiculite 900 J/kgK
Cellular glass 840 J/kgK
Silicat-foam granules 800 J/kgK
Glasswool 800 J/kgK
Rockwool 800 J/kgK
Insulation from petrochemical raw materials c
EPS 1450 J/kgK
XPS 1500 J/kgK
PUR 1200 J/kgK