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Multilayer Insulation

Due to its extremely high compressive strength and its very low water absorption capability, Styrodur® is also very well-suited for multilayer insulation. The German Institute for Building Technology (DIBt) has given the national technical approval for the multilayer application of Styrodur for floor slabs, perimeter insulation, and inverted roofs. This makes Styrodur the optimal insulation material for trendsetting insulation tasks.

Multilayer perimeter insulation

The multilayer exterior insulation for building elements with ground contact reduces heat loss at the lower building closure. Three layers of Styrodur can be used under base plates and two layers on basement walls. The overall thickness may be up to 300 mm in the case of load-bearing base plates and up to 400 mm in basement floors and walls. In this context, Styrodur may be embedded up to 3.5 m into the groundwater.

Under load-bearing floor slabs

Due to its technical properties, Styrodur can be laid in multiple layers under the floor slab. The exterior insulation of the floor slab provides wall connections free of thermal bridges. Styrodur can be laid in up to three layers. The total thickness of the thermal insulation layer is limited to 300 mm.

Double-layer insulation in inverted roofs

In the inverted roof, Styrodur is installed above the sealing. This flat roof construction is made possible due to the very low water absorption capability of Styrodur. Water-repellant and vapor-permeable separation layers are additionally used to prevent the accumulation of a permanent water film between the insulation boards. The double-layer installation of Styrodur in an inverted roof now enables insulation material thicknesses of up to 400 mm.

Where can Styrodur® be obtained?

To the Distribution Partners
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