Best Loft & Wall Insulation — 8m x 370mm x 110mm (2026)
1 loft & wall insulation matching size “8m x 370mm x 110mm”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Loft & Wall Insulation UK (2026) guide.
This roll of 8m x 370mm x 110mm Loft & Wall Insulation is designed to provide efficient thermal protection for your loft space and external walls. The dimensions are specifically tailored for installation in standard UK lofts, offering a substantial coverage area while maintaining a manageable profile. This insulation material contributes to reducing heat loss from your home, helping to lower energy bills and improve comfort.
With a roll length of 8 metres, you'll have ample material to cover a significant portion of most loft areas. The 370mm width allows for efficient layering and installation, while the 110mm thickness delivers robust thermal performance – crucial for meeting building regulations. Ensure correct installation practices are followed to maximise effectiveness.
This product is ideal for new builds or renovations where loft and wall insulation are required. It’s important to note that this roll size may be more suitable for larger lofts than smaller spaces; consider your specific needs before purchasing. Always check the manufacturer's instructions for detailed installation guidelines.
#1 Pick
High Loft Itch Free Thermal Construction Insulation Roll (8m x 370mm x 110mm) 2.96 m²- Polyester Fibre
- 8m x 370mm x 110mm
£47.99
Pros
- Polyester fibre construction is itch-free to handle, unlike mineral wool
- Non-toxic and safe to install without a full respirator and gloves
- Suits lofts, walls, floors and van conversions from one roll
Cons
- Lower density than mineral wool, so needs care not to compress it when boarding over
FAQ
What type of material is this insulation made from?+
This Loft & Wall Insulation roll is typically made from mineral wool, offering excellent thermal performance and resistance to fire and damp.
How much coverage does 8m x 370mm provide?+
An 8-metre long roll of this width will cover approximately 30.6 square metres (8m x 3.75m), assuming a consistent thickness of 110mm.
Can I cut this insulation to fit smaller spaces?+
Yes, you can cut the insulation to fit smaller spaces, but be mindful of maintaining the overall 110mm thickness for optimal thermal performance. Careful measuring is essential.
What tools will I need to install this?+
You'll generally require a utility knife or scissors for cutting, a tape measure, and possibly a staple gun for securing it in place – check manufacturer’s recommendations.
How does this insulation perform against damp?+
Mineral wool is naturally resistant to moisture and won’t absorb water, making it suitable for use in lofts where condensation can be an issue. However, proper ventilation is still vital.
What are the recommended installation practices?+
It's crucial to install this insulation with a small air gap between each layer to prevent heat bridges and maximise its effectiveness. Follow manufacturer’s guidelines carefully.
Does this insulation comply with building regulations?+
This mineral wool insulation generally meets the thermal performance requirements outlined in Part L of the Building Regulations, but always verify with your local building control officer.
What is the minimum recommended depth for loft insulation?+
The current building regulations recommend a minimum loft insulation depth of 150mm (6 inches) for single-layer insulation, but this product’s 110mm can contribute towards that target when combined with other materials.
How does the roll size compare to other options?+
This 8m roll offers a significant amount of material compared to shorter lengths, reducing waste and making it more economical for larger loft spaces – consider your space carefully.
What is the warranty on this product?+
The manufacturer’s warranty typically covers defects in materials and workmanship. Please refer to Amazon's standard returns policy for information regarding returns and refunds.