Knauf Loft Insulation Roll Floor Roof Lagging (4, 200mm)
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 tier
- Premium
- Size
- 200mm
How it compares in Loft & Wall Insulation
We list 20 loft & wall insulation products, priced from £15.98 to £563.00. At £205.69 this one is the 18th cheapest of them — 2 cost more. The average across the subcategory is £104.37 and the midpoint is £50.49, so it lands £101.32 above the average.
Its 3.8-star score sits 0.52 below the loft & wall insulation average of 4.32, with 17 of the 20 rated higher. Its 5 Amazon reviews make it the 17th most-reviewed here, against a subcategory average of 401.
Price position in Loft & Wall Insulation
Splitting the subcategory into three price bands puts this product in the Premium band (£84.99–£563.00), which holds 6 of 20 products and averages £247.99 at 4.13 stars.
| Band | Range | Products | Average price | Average rating |
|---|---|---|---|---|
| Budget | £14.38–£44.99 | 7 | £30.09 | 4.34 |
| Mid-range | £45.59–£64.99 | 7 | £53.22 | 4.46 |
| PremiumThis one | £84.99–£563.00 | 6 | £247.99 | 4.13 |
About this product
Knauf Loft Insulation Roll Floor Roof Lagging offers a comprehensive thermal solution for pitched roofs at ceiling level, alongside floor insulation applications. Designed to significantly reduce heat loss and enhance comfort within your home, this product is ideally suited for homeowners seeking to improve energy efficiency and lower their heating costs.
The roll’s construction provides a protective layer against the elements, offering robust acoustic performance and fire protection – crucial features for building safety. Its unique ECOSE Technology formulation delivers a softer handling experience compared with traditional mineral wool insulation, minimising installation discomfort. This product's design allows for layering to achieve recommended thermal performance levels, contributing to significant savings on energy bills.
When used as part of a complete roof or floor insulation system, this roll provides substantial protection against heat loss and helps maintain a consistent temperature throughout your home. Careful consideration should be given to the overall installation process and the volume of material required for your specific project – multiple rolls may be needed depending on the area being insulated. The product’s non-combustible nature adds an extra layer of security, aligning with modern building regulations.
Related attributes
FAQ
What is this Knauf Loft Insulation Roll best suited for?
This roll is primarily designed for thermal insulation within pitched roofs at ceiling level and can also be used to insulate floors. It's particularly effective as a top-up layer to meet current Building Regulations U-values, offering a 200mm thickness.
What materials are used in the construction of this insulation?
The roll is constructed from mineral wool, a non-combustible material that provides thermal and acoustic performance. It incorporates ECOSE Technology which makes it softer to handle compared to traditional mineral wool.
What dimensions does this Knauf Loft Insulation Roll have?
The insulation roll measures 120 centimetres in length and 40 centimetres in width, covering an area of approximately 13.89 square metres.
How does the thickness (200mm) relate to building regulations?
A 200mm thickness is suitable for use as a top-up layer to help achieve current Building Regulations U-values, ensuring effective thermal performance within your roof or floor space.
Is this Knauf Loft Insulation Roll flammable?
The insulation is non-combustible and provides fire protection. This makes it a safe choice for use in roofing and flooring applications, meeting relevant safety standards.
What are the key benefits of using ECOSE Technology?
ECOSE Technology results in a softer material to handle compared with traditional mineral wool, improving ease of installation and reducing potential irritation.
How does this compare to other mineral wool insulation rolls on the market?
This roll offers a convenient 4-roll pack, reducing the number of separate orders needed. It is also designed for easy handling thanks to ECOSE Technology.
What maintenance or cleaning should I do with this insulation?
As it's odourless and rot-proof, no specific cleaning is required; simply avoid exposing it to excessive moisture during installation to maintain its properties.
Can I use this Knauf Loft Insulation Roll in any type of roof?
The roll is designed for pitched roofs at ceiling level. It can also be used to thermally insulate floors, providing versatility for different applications.
What are the environmental considerations associated with this product?
This insulation is free from CFCs and HCFCs and has a Zero ODP (Ozone Depletion Potential) and Zero GWP (Global Warming Potential), representing an environmentally conscious choice.
£205.69
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