If you want to reduce impact sound, the screed is laid as a “floating” layer. In this construction, insulation is first of all laid on the floor followed by in most cases one or more layers of STYROPOR® insulation boards as an insulating layer, and then finally screed is poured on top of this.
However, a separation layer is needed between the insulation boards and the screed because screed could easily migrate through the abutting edges of the insulation boards and then transmit impact sound to solid structural components.
PE films (also called PE construction films) can be used as a general-purpose separation layer under all types of screed, the exceptions being asphalt screeds and bonded screeds.
Our PE films can be supplied unfolded in a width of 1.5 m. Wider sheets up to 4 m are available, but are folded one or more times to a width of 1 m convenient for transport.
Our standard range of PE films includes film thicknesses of 40 to 200 my (0.04 – 0.20 mm thick) in both opaque (dark) and translucent (milky) colours.
A 50 my thick transparent masking film completes our range.
We carry both “sealing materials”, which are films with max. 5% unavoidable production tolerance in the thickness of the material, and also “standard materials” with different sub-tolerances.
There are strict rules regarding the minimum thickness for use as a separation layer. Please ask about any requirements that apply.
Please refer to “Insulation sheeting” and “Edge insulation strips” for information on acoustic decoupling for floors and walls.
|GERA PE Construction Foil|