Rockwool Thermal Loft Roll Insulation - 100mm
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Product Information
Full details
This guide is for homeowners and builders seeking to improve their home's energy efficiency and reduce noise with the Rockwool Thermal Loft Roll. The key benefit of this insulation is its excellent thermal and acoustic performance. However, be aware that proper installation is crucial for optimal results. The Rockwool Thermal Loft Roll is a non-combustible mineral wool insulation designed for loft spaces. It's easy to handle, lightweight, and offers a sustainable insulation solution.
All features
| Model Part Number | 5013423282521 |
|---|---|
| Brand | Rockwool |
Extended Product Information
FAQs
What is the R-value of this insulation?
The R-value will depend on the thickness of the installed insulation. The thermal conductivity is 0.044W/mK. Please consult a qualified professional to determine the R-value of a specific installation.
Is this insulation suitable for DIY installation?
Yes, the Rockwool Thermal Loft Roll is designed for easy DIY installation. However, it is essential to follow the installation instructions and take necessary safety precautions.
Can this insulation be used in walls?
This product is primarily designed for loft spaces. While it could potentially be used in walls, there may be more suitable products available. Check the manufacturer's recommendations.
What is the fire rating of this insulation?
The Rockwool Thermal Loft Roll has a fire rating of Euroclass A1 (BS EN 13501-1), meaning it is non-combustible.
How do I calculate how much insulation I need?
Measure the area of your loft space in square meters and divide by the coverage of the roll (6.6m² for 100mm and 3.3m² for 200mm). Remember to account for layering.
How should I store the insulation?
Store the insulation in a dry place, away from direct sunlight and moisture, before installation.
Is this product environmentally friendly?
Yes, it is manufactured from 97% recycled materials and has zero ozone depletion potential (ODR) and zero global warming potential (GWP).
What is the recommended thickness for loft insulation?
The recommended total thickness is 300mm to achieve optimal thermal performance. This is typically achieved by installing 100mm between the joists and a 200mm layer on top, or in a similar configuration depending on joist depth.
Troubleshooting
Difficulty cutting the insulation.
Use a sharp, serrated knife and ensure a clean cut. Measure carefully before cutting.
Insulation is itchy during installation.
Wear gloves, a long-sleeved shirt, and a dust mask to minimize skin contact.
Reduced thermal performance.
Ensure the insulation is installed correctly, with no gaps or compression. Check for air leaks in the roof or around the edges.
Pros and Cons
Pros
- High thermal insulation performance (0.044W/mK).
- Offers excellent acoustic properties.
- Non-combustible, enhancing fire safety.
- Easy to handle and install.
- Made from sustainable and recyclable materials.
- Resistant to mould and bacteria.
Cons
- Requires proper installation to ensure optimal performance.
- Can be itchy if not handled with care (use appropriate PPE).
- Initial cost may be higher than some alternative insulation materials.
- Requires sufficient loft space for installation.
Setup, Compatibility & Care
Setup
- Preparation: Ensure the loft space is clear of debris and any existing insulation is removed, if necessary.
- Measurements: Measure the distance between joists to determine the correct width of the insulation.
- Cutting: Use a sharp knife to cut the Rockwool to the required length, using the perforations for ease of cutting for 400mm or 600mm joists.
- Installation: Lay the first layer of 100mm insulation between the joists, ensuring a snug fit. Then layer 200mm on top, perpendicular to the joists.
- Coverage: Ensure all areas of the loft space are covered to maximize insulation performance.
Compatibility
The Rockwool Thermal Loft Roll is compatible with:
- Timber joists
- Pitched roofs
- Suspended timber floors
- Non-reactive with PVC cables, pipes, and metal.
Care
- Avoid compressing the insulation during installation, as this reduces its effectiveness.
- When working with the insulation, wear appropriate personal protective equipment (PPE), including gloves, a dust mask, and eye protection.
- Keep the insulation dry during storage and installation.
- Inspect the insulation periodically for any signs of damage or moisture.