Sustainable, renewable and safe, this SheepWool Loft Insulation Optimal Roll is perfect for floors, ceilings, walls and sloping ceiling applications. With a density more than SheepWool Comfort insulation, these rolls maintain their thickness long-term in both vertical and horizontal installations.
Made from 100% sheep wool, your Optimal insulation is equipped with fire safety qualities. It is non-combustible due to the high moisture content and when exposed to flame, it will self-extinguish. You can install Optimal insulation over existing glass wool and mineral wool due to the breathable structure, in turn preventing any non-safe fibres that can occur from glass and mineral wool.
Features & Benefits: Optimal SheepWool Loft Insulation 100pc Natural 50mm x 380mm – 10.26m2 Pack
- No PPE equipment or safety gear needed
- Self-extinguishing and non-combustible
- Breathable structure for overlaying glass and mineral wool
- Ionic Protect coated for moth repellent
- Renewable sheep’s wool
- For floors, ceilings, walls and sloping ceiling applications
With a patented coating of Ionic Protect, a biocide-free coating, your insulation carries a fantastic repellent for protection from moths. It is tested according to CUAP (Common Understanding of Assessment Procedures) guidelines.
Please note:
- This pack of Optimal Insulation contains three 3.42m² rolls of 9m x 380mm at 50mm thickness for 400mm joist centres. It has a 10.26m² coverage alongside a thermal conductivity of 0.038 W/mK.



















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