Best Loft & Wall Insulation — 5mm, 1m x 10m (2026)
1 loft & wall insulation matching size “5mm, 1m x 10m”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Loft & Wall Insulation UK (2026) guide.
This roll of mineral wool insulation offers a straightforward solution for insulating your loft or walls when precise dimensions are needed. Measuring 5mm in thickness and supplied as a 1m wide x 10m long roll, it’s ideal for tackling awkwardly shaped spaces where standard batts won't fit effectively. This flexible insulation is designed to reduce heat loss from buildings, contributing to lower energy bills and improved comfort.
Specifically formulated for wall and loft applications, this mineral wool provides excellent thermal performance while remaining breathable, preventing condensation build-up. The roll format simplifies installation, allowing you to cut sections as required and minimising waste – a significant advantage when working with limited space. Ensure you measure your cavity accurately before cutting to optimise the insulation’s effectiveness.
#1 Pick
Dripex Self Adhesive Aluminium Foil Insulation, Thermal Soundproof Cotton Layer, Heat Reflector & Radiant Barrier, Ideal for Roofs, Walls & Camper, 5mm, 1m x 10m- Foil-Faced Cotton
- 5mm, 1m x 10m
£42.47
Pros
- Self-adhesive backing speeds up fitting to roofs and walls
- Cotton wadding layer adds sound deadening as well as thermal insulation
- 10m² coverage per roll suits a full shed or small loft section
Cons
- Self-adhesive layer needs a clean, dry surface to bond properly
FAQ
What type of mineral wool is this?+
This roll utilises a bonded mineral wool, known for its superior thermal properties and resistance to moisture compared to loose-fill options. The bonding process also enhances stability during installation.
How much coverage does a 1m x 10m roll provide?+
A single 1m x 10m roll will cover approximately 10 square metres when installed at the recommended depth of 5mm. The exact area covered will vary depending on your wall or loft’s specific shape and any gaps.
Is this suitable for damp environments?+
Mineral wool is inherently resistant to moisture due to its fibrous structure, however, it's crucial to maintain a breathable cavity behind the insulation to prevent condensation. Consider using a vapour barrier if required by building regulations.
Can I cut this insulation to fit around pipes and wiring?+
Absolutely. The 5mm thickness allows for flexible cutting around services; however, ensure you protect any exposed wires with appropriate cable clips to avoid damage during installation.
What tools will I need to install this?+
You’ll require a utility knife or scissors for precise cuts and a measuring tape to accurately determine the required lengths. Gloves are recommended for handling the insulation to prevent skin irritation.
How does 5mm thickness compare to other insulation types?+
5mm is a relatively thin layer, typically used in situations demanding space efficiency. It provides significant thermal performance but may require careful attention to detail to ensure complete coverage and minimise heat loss through gaps.
Does this roll come with instructions?+
The product listing will direct you to the manufacturer’s website where detailed installation guidance and technical specifications can be found. Amazon also provides access to helpful videos.
What is the recommended depth of installation for 5mm insulation?+
For optimal performance, we recommend installing this mineral wool at a minimum depth of 5mm, but increasing it to 75mm or more will further enhance thermal protection and meet building regulations.
Can I use this in external walls?+
While suitable for internal applications, consider the potential effects of weather exposure. Protect the insulation from prolonged rain with a breathable membrane and ensure adequate ventilation to prevent moisture buildup.
What is the typical lifespan of mineral wool insulation?+
When properly installed and maintained, mineral wool insulation can last for 20-40 years. Regular inspection and addressing any damage will help prolong its lifespan and maintain its thermal properties.