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Do you want to reduce sound transmission through a concrete floor? In this article, we explain step-by-step which construction effectively insulates against concrete subfloors.
A concrete subfloor naturally possesses a lot of mass. Unlike a wooden floor, it is therefore often not necessary to add extra mass plates. The focus with concrete is on dampening impact noise, such as footsteps or falling objects. This is achieved by applying a so-called floating screed. Below, we explain step by step how to achieve this.
Step 1: Apply a vibration-isolating layer
Lay a layer of vibration-isolating material, such as EASYbond, directly onto the concrete floor. This layer absorbs impact noise and prevents vibrations from spreading through the structure.
Step 2: Attach a edge strip along the walls
Place an edge strip of vibration-isolating material along all walls. This strip ensures that the floor structure does not make direct contact with the walls, preventing sound vibrations from propagating through the construction to the walls.
Step 3: Attach OSB or underlayment boards to the insulation layer
Install OSB or underlayment boards on top of the vibration-isolating material. Using planks with a tongue-and-groove connection usually requires only one layer. If standard straight boards are used or if the floor is heavily loaded, it is advisable to place two layers in a staggered pattern. Ensure that the boards do not directly abut the wall but connect to the insulating edge strip.
Step 4: Choose a suitable finish
Finish the floor with a coating of your choice, such as laminate or PVC. Make sure the finished floor remains clear of the wall and connects to the insulating strip along the edges. This prevents impact noise from still being transmitted via the walls.
For situations where the highest possible level of sound insulation is required, a professional installation system is essential. The EASYmount floor support has been developed for this purpose, enabling the creation of a fully acoustically decoupled floor based on the mass-spring principle.
The floor supports are placed in a grid, with wooden beams mounted on top. Cavity insulation can be applied between the beams for additional sound absorption, and the floor is finished with a double layer of board material, such as OSB or chipboard. This creates a stable and highly sound-insulating floor structure.
This solution requires technical expertise and precise execution, but offers an optimal construction to effectively isolate both impact and airborne noise. It is suitable for projects with stringent acoustic requirements, such as residential buildings, commercial properties, and technical rooms.
Discover the world of acoustics
Do you want to make a wall soundproof? Sound insulation works well for airborne noise such as speech. If it concerns impact noise like vibrations from a washing machine, wall insulation is often not enough. In this article, you will learn how to effectively improve the sound insulation of a wall with the right system and material.
Would you like to improve the acoustics in your space and reduce sounds from above? Then enhancing the sound insulation of the ceiling is an effective solution. The right approach depends on the type of sound and the existing construction.
A cavity is the hollow space between two parts of a construction, such as between two walls. This space often plays an important role in sound insulation and can be filled with suitable material, also known as cavity filling.
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Vibration isolation
Vibration isolation
