TDyn Fill Classic 2-4 / Air-Conditioned Floor / big-bag (2000 l)

ThermoDyn Fill Classic 2–4 is an environmentally friendly, dry clay-rubber infill granulate without binder, specifically developed to level uneven yet stable subfloors. It is optimally designed for use with ThermoDams panels and ThermoDyn Classic / Ground / Plus systems as part of a complete floor build-up.

Its user-friendly application allows it to conform easily to a wide variety of substrates. The product eliminates the need for additional insulation materials such as polystyrene or foam pipe sleeves. Surface irregularities and obstacles can be effortlessly compensated. This sustainable material offers integrated thermal and acoustic insulation and is fully compatible with underfloor heating systems.

Key Features:

• Certified building material for use in flood-prone zones
• Grain size: 2–4 mm
• Suitable for both indoor and outdoor applications
• Supplied in Big Bags (2,000 liters fill volume)
• Combines effective thermal and sound insulation
• Low installation height (starting from 2 mm / 0.07 in)
• Lightweight, ideal for minimizing structural load (static benefit)
• No settling after installation
• 100% environmentally friendly
• Compatible with all standard subfloor types (e.g., wood, concrete, clay)
• Suitable for complex and time-intensive installation areas
• Requires no additional insulating materials
• Reduces total construction time and cost