Applications > Application > Floors > Suspended Ground Floors Suspended ground floor insulation Insulation for suspended ground floors is very common in both domestic and non-domestic buildings. It is an ideal solution for the renovation and refurbishment of buildings by insulating between timber joists. Thermafloor TF70 Insulation for solid concrete and suspended ground floors Read More about Thermafloor TF70 Kooltherm K3 Floorboard Insulation for solid concrete and suspended ground floors Read More about Kooltherm K3 Floorboard