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Knauf Eko Loft Insulation Roll - 9.72M L x 1.14M W x 100mm T

Knauf Eko Loft Insulation Roll - 9.72M L x 1.14M W x 100mm T

Eko Roll is a glass mineral wool roll, designed for use in cold lofts at ceiling level. This roll ...

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B&QB&Q - Eko Loft Insulation Roll(L)9.72M (W)1.14M (T)100mm
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£27.00
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Product Information

Full details

This guide is for homeowners looking to improve the thermal efficiency of their homes, specifically by insulating cold lofts. The Knauf Eko Loft Insulation Roll offers an effective solution for reducing heat loss through the ceiling, providing a significant step towards a warmer home and potentially lower energy bills. It's a straightforward glass mineral wool roll, designed for easy installation; however, its fibrous nature requires proper protective gear during handling.

All features

BrandKnauf

Extended Product Information

FAQs

What is the Knauf Eko Loft Insulation Roll made of?

It is made from high-quality glass mineral wool, designed for effective thermal insulation.

Where should I install this insulation?

This product is specifically designed for use in cold loft spaces, laid at ceiling level between and over the joists.

Do I need special tools or protective gear to install it?

You will need a sharp insulation knife or sturdy scissors for cutting. Crucially, always wear personal protective equipment (PPE) including gloves, a dust mask, eye protection, and long sleeves when handling the insulation.

How do I cut the insulation roll?

Unroll the insulation on a flat, stable surface (like a piece of plywood or plasterboard) and use a sharp insulation knife or heavy-duty scissors. Measure your desired length carefully before cutting.

Can I lay more than one layer of this insulation?

Yes, it is common to lay multiple layers to achieve higher insulation values. If adding a second layer, lay it perpendicular to the first layer to cover the joists and reduce thermal bridging.

How many rolls will I need for my loft?

The number of rolls required depends on the total area of your loft and the desired thickness. Each roll covers approximately 11.085 square meters (9.725m L x 1.14m W). Measure your loft area and divide by the coverage per roll, then add a small percentage for waste and cuts.

Is this insulation fire resistant?

Info needed: Please consult the product packaging or manufacturer's technical data sheet for specific fire resistance ratings.

Troubleshooting

Skin irritation or itching during installation.

This is common with fibrous materials. Ensure you are wearing full PPE: long-sleeved shirt, gloves, safety glasses, and a dust mask. After installation, wash exposed skin with cold water and soap. Avoid hot showers immediately after handling as this can open pores and trap fibers.

Gaps are present between insulation sections or around obstructions.

Gaps create 'cold bridges' where heat can escape. Carefully measure and cut insulation to fit snugly. For small gaps, use off-cuts to fill them. Ensure insulation is continuous across the entire ceiling area. When adding a second layer, lay it perpendicular to the first to cover joists and minimize gaps.

Insulation appears compressed or flattened in areas.

Compression significantly reduces the insulation's effectiveness. Remove any heavy objects stored directly on the insulation. If the compression is due to poor installation, carefully lift and re-fluff the material where possible. Ensure it is not being forced into too small a space.

Pros and Cons

Pros

  • Effective thermal insulation for cold lofts.
  • Relatively easy to cut and install between joists.
  • Durable material designed for long-term performance.
  • Contributes to lower energy consumption and heating costs.
  • Manufactured by a reputable brand (Knauf).

Cons

  • Requires personal protective equipment (PPE) during handling due to fibrous material.
  • Specific dimensions may lead to off-cuts or require multiple rolls for irregular loft shapes.
  • Can be bulky to transport and maneuver in tight loft spaces.
  • Not suitable for direct exposure to moisture without additional protection.
  • May require additional layers to meet higher insulation R-values/U-values.

Setup, Compatibility & Care

Setup Instructions

  1. Safety First: Always wear appropriate personal protective equipment (PPE), including a long-sleeved shirt, gloves, eye protection, and a dust mask, when handling glass mineral wool insulation.
  2. Clear the Loft: Ensure the loft space is clear of debris and easily accessible. Check for any dampness or leaks, which should be addressed before installation.
  3. Measure: Carefully measure the area of your loft, paying attention to the spacing between ceiling joists. The roll is 1.14m wide, designed to fit standard joist centers, but always verify.
  4. Cutting: Unroll the insulation on a flat, clean surface (e.g., a spare piece of plasterboard) in the loft. Using a sharp insulation knife or a large pair of robust scissors, cut the roll to the required length. Measure accurately to minimize waste.
  5. Installation: Lay the insulation roll between the ceiling joists, ensuring it fits snugly without being compressed. If you are laying a second layer, place it perpendicular to the first layer, covering the joists to eliminate thermal bridging.
  6. Avoid Gaps: Ensure there are no gaps between lengths of insulation or around obstructions like pipes and wires. Cut around them carefully, maintaining a tight fit.
  7. Ventilation: Do not block existing loft ventilation (e.g., soffit vents). Leave a small air gap between the insulation and the underside of the roof deck/felt if necessary for proper airflow.

Compatibility

  • Loft Type: This roll is specifically compatible with cold loft spaces at ceiling level where it can be laid between and over ceiling joists.
  • Structural Integrity: Ensure your loft joists can support the weight of the insulation. This roll is lightweight and generally compatible with most standard loft structures.

Care & Maintenance

  • Keep Dry: Glass mineral wool insulation performs best when dry. Ensure your loft remains free from leaks and moisture.
  • Avoid Compression: Do not compress the insulation, as this reduces its thermal effectiveness. Avoid storing heavy items directly on top of it.
  • Regular Checks: Periodically inspect your loft for any signs of damage to the insulation, moisture ingress, or pest activity. Address any issues promptly.
  • Dusting: Minimal dusting is required. If necessary, use a soft brush or vacuum cleaner with appropriate filtration, always wearing PPE.

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