The first is what lies under your floor.
Floating timber floor insulation.
As upper mentioned the floating floor construction includes a number of layers carefully stacked up on top of each other.
At the turn of the 18th century when construction techniques moved from boarded floors installed directly on the ground to suspended timber floors over a ventilated chamber the innovation solved a significant problem.
All ground floor constructions unless very large commercial floors will require some insulation to be included within the floor zone to comply with building regulation requirements.
Previously floor timbers had been prone to damp and rot thanks to their direct contact with the moist ground.
They are very versatile and can be used to almost any type of flooring including solid concrete floors block floors and suspended timber floors and are an ideal solution for floating floor insulation.
If the ground floor in question is of a suspended timber construction and whether this is a renovation or new build project then the insulation would normally.
Rockwool offers stone wool insulation products to meet and exceed thermal regulations in floor constructions as well as solutions for separating floors to prevent heat transfer between the upper and lower floors.