Green Loft Thermal Insulation Roll - 5m x 370mm x 50mm

Boost warmth and comfort at home with the Green Loft Thermal Polyester Insulation Roll, designed f...

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AmazonGreen Loft White 5M Thermal Insulation Roll - 370Mm X 50Mm - Non-Itch, Moisture & Mould Resistant Loft, Wall & Roof Insulation - Energy-Saving Diy Loft Roll For Year-Round Comfort
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£20.67
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HomebaseGreen Loft Thermal Polyester Insulation Roll 5M X 370Mm X 50Mm
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Product Information

Full details

The Green Loft Thermal Polyester Insulation Roll is designed for homeowners and DIY enthusiasts looking to improve the energy efficiency and comfort of lofts, sheds, garages, and internal walls. Its standout feature is its skin-friendly, non-itch composition that eliminates the need for protective gear like gloves or masks during installation. While it offers excellent moisture resistance and thermal performance, users should note that the 50mm thickness is best suited for applications where space is limited, rather than heavy-duty primary roof insulation projects.

All features

Model Part NumberGreen-Loft-Insulation-Roll
BrandGreen Loft

Extended Product Information

FAQs

Do I need to wear a mask or gloves while installing?

No. The polyester material is non-itch and chemical-free, making it safe to handle with bare hands.

Can this be used in damp sheds?

Yes, it is hydrophobic and designed to repel moisture, making it an excellent choice for sheds and garages.

How much area does one roll cover?

Each roll provides 1.85m² of coverage based on its 5-metre length and 370mm width.

Will this insulation sag over time?

No, it is engineered to be durable and maintain its shape within walls and ceilings.

Is this product fire-resistant?

While the material is designed for thermal efficiency, always ensure it is kept away from direct heat sources and naked flames in accordance with local building fire safety regulations.

Can I cut the roll with a standard knife?

Yes, a standard sharp craft knife or household scissors will effectively cut through the polyester material.

Troubleshooting

The insulation is not fitting snugly between joists.

If the space is wider than 370mm, use two pieces side-by-side; if narrower, trim the width carefully with sharp shears to prevent excessive bunching.

The material seems too thin for my project.

The 50mm thickness is designed for specific space constraints; if higher R-Values are required, consider layering a second pass of insulation perpendicular to the first.

Pros and Cons

Pros

  • No protective clothing or respiratory masks required
  • Resistant to mould and mildew growth
  • Retains structural integrity without sagging
  • Lightweight and simple to transport or cut
  • Environmentally safe and chemical-free

Cons

  • May require multiple layers for high-performance insulation needs
  • Width is fixed at 370mm, which may not match all joist spacings
  • Best for secondary or supplemental insulation rather than heavy-duty thermal requirements

Setup, Compatibility & Care

Installation is straightforward due to the flexible nature of the polyester. Simply measure your cavity, cut the roll to the required length using standard scissors or a craft knife, and press it firmly into place. Ensure the fit is snug but not overly compressed, as maintaining the loft of the material is critical to its thermal performance. Regarding care, the product is inherently resistant to rot and mildew, requiring no periodic maintenance once installed. It is compatible with most standard wooden joists and wall frames. Always store the rolls in a dry environment prior to installation to ensure they remain in peak condition.

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