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Wykamol ISO-Therm Grout 15 kg is a high-performance cementitious bonding and grouting compound specifically designed for use with the ISO-Therm Thin Internal Wall Insulation System (TIWI) a textile-based ultra-thin internal insulation membrane used to reduce heat loss, condensation and cold bridging on internal walls.
ISO-Therm Grout is applied in conjunction with the ISO-Therm membrane and adhesive to provide excellent bond strength between the insulation membrane and the substrate, ensuring a stable, consistent fixing layer prior to finishing (plaster, skim coat, paint or wallpaper). It has been formulated to work seamlessly with the TIWI system, providing a secure and durable base that improves overall performance of the thin internal insulation solution.
Key Features & Benefits
- Designed specifically for ISO-Therm internal insulation system
- Provides strong adhesion between membrane and wall surface
- Cementitious consistency optimized for thin internal insulation
- Promotes improved thermal bridging resistance and reduced cold spots
- Ideal for renovation, retrofit and new build internal wall insulation
- Supplied in a 15 kg bucket easy to handle on site
Typical Applications
ISO-Therm Grout is ideal for:
- Use with ISO-Therm thin internal wall insulation membrane (TIWI)
- Grouting textile insulation membranes into place for secure fixing
- Walls suffering from heat loss, cold bridging, damp or condensation
- Retrofit internal insulation installations where space is limited
- When a strong, stable fixing layer is required prior to finishing
Why It Matters in TIWI Systems
The success of a thin internal wall insulation (TIWI) installation depends on secure adhesion and a stable base before finishing. ISO-Therm Grout:
✔ Ensures the insulation membrane bonds tightly to the wall
✔ Supports consistent thermal performance
✔ Helps reduce moisture migration and cold bridging
✔ Provides a dependable base for plaster skim, paint or wallpaper
