Knauf Loft Insulation Roll Floor Roof Lagging (4, 200mm)
Rated 3.8 / 55 ratings on Amazon →
Pros
- 200mm thickness suits a top-up layer to reach current Building Regs U-values
- Non-combustible glass mineral wool with an R-value of 4.5 m2K/W
- 4-roll pack reduces the number of separate orders needed
Cons
- Bulkier rolls take up more van space to transport
Specifications
- Material
- Mineral Wool
- Price
- Premium
- Size
- 200mm
Related attributes
Not sure which loft & wall insulation is right for you? Read our Best Loft & Wall Insulation UK (2026) guide.
£189.99
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