Special foam underlay comes from Juncker's factory, designed for all solid hardwood flooring. Junckers SylvaFoam for where no damp-proof membrane is required. It can also be used for engineered flooring where there’s no need for a damp-proof membrane.
Junckers 2mm SylvaFoam underlay is suitable for:
The 2mm of the special underlay absorbs sounds and preserves heat.