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    Loft & Roof Insulation

    Keep homes warmer and reduce heat loss with our range of Loft & Roof Insulation, ideal for improving energy efficiency in both new builds and renovation projects. Insulating lofts and roof spaces is one of the most effective ways to improve comfort and lower heating costs, helping maintain a more consistent indoor temperature throughout the year. Whether you’re topping up existing insulation or insulating a new roof build-up, the right products help deliver long-lasting performance.

    Loft and roof insulation is commonly used in loft spaces, pitched roofs, attic conversions and roof voids, helping prevent heat escaping through the top of the property. It can also support sound reduction and improve overall building performance when installed correctly. Choosing insulation suitable for your roof type and ensuring full coverage without gaps helps maximise results and reduce cold spots or drafts.

    For best results, fit insulation to the correct depth, maintain ventilation where required, and avoid compressing materials which can reduce performance. Using compatible membranes and sealing products can also help improve efficiency by reducing air leakage and moisture risk.

    Shop online today for loft and roof insulation with delivery and collection available.

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    Picture of 100 mm DriTherm Cavity Slab 37 (6.55 M2)

    100 mm DriTherm Cavity Slab 37 (6.55 M2)

    The 100 mm DriTherm Cavity Slab 37 (6.55 m²) is a high-quality full-fill cavity wall insulation slab designed to provide reliable thermal performance in masonry construction.…
    £53.07 INC VAT
    Picture of 85 mm DriTherm Cavity Slab 37 (4.37 M2)

    85 mm DriTherm Cavity Slab 37 (4.37 M2)

    The Knauf 85 mm DriTherm Cavity Slab 37 (4.37 m²) is a high-quality full-fill cavity wall insulation slab designed to deliver reliable thermal performance in masonry construction.…
    £30.68 INC VAT
    Picture of Isover Spacesaver Loft 100mm Ready-Cut at 2x580 (14.12 M2)

    Isover Spacesaver Loft 100mm Ready-Cut at 2x580 (14.12 M2)

    Isover Spacesaver Loft 100mm Ready-Cut at 2x580 (14.12 M2)
    £52.71 INC VAT
    Picture of Isover Spacesaver Loft 100mm Ready-Cut At 3x386 (14.10 M2)

    Isover Spacesaver Loft 100mm Ready-Cut At 3x386 (14.10 M2)

    Isover Spacesaver Loft 100mm Ready-Cut At 3x386 (14.10 M2)
    £52.62 INC VAT
    Picture of Isover Spacesaver Loft 150mm Ready-Cut at 2x580 (9.33 M2)

    Isover Spacesaver Loft 150mm Ready-Cut at 2x580 (9.33 M2)

    Isover Spacesaver Loft 150mm Ready-Cut at 2x580 (9.33 M2)
    £52.34 INC VAT
    Picture of Isover Spacesaver Loft 150mm Ready-Cut at 3x386 (9.32 M2)

    Isover Spacesaver Loft 150mm Ready-Cut at 3x386 (9.32 M2)

    Isover Spacesaver Loft 150mm Ready-Cut at 3x386 (9.32 M2)
    £52.25 INC VAT
    Picture of Isover Spacesaver Loft 200mm Ready-Cut at 3x386 (6.02 M2)

    Isover Spacesaver Loft 200mm Ready-Cut at 3x386 (6.02 M2)

    Isover Spacesaver Loft 200mm Ready-Cut at 3x386 (6.02 M2)
    £44.51 INC VAT
    Picture of Knauf 50 mm Acoustic Roll (16.2 M2)

    Knauf 50 mm Acoustic Roll (16.2 M2)

    The Knauf 50 mm Acoustic Roll (16.2 m²) is a high-performance glass mineral wool insulation roll designed to deliver effective acoustic sound absorption in internal walls, partitions, floors and ceilings.…
    £68.00 INC VAT
    Picture of Loft Roll 44 (Combi-cut) 100mm (13.89 M2)

    Loft Roll 44 (Combi-cut) 100mm (13.89 M2)

    The Knauf Loft Roll 44 (Combi-Cut) 100 mm (13.89 m²) is a high-performance glass mineral wool insulation roll designed for loft and roof space insulation. With a lambda value of 0.044 W/mK, it helps reduce heat loss through the roof and supports improved U-values, making it an effective solution for enhancing energy efficiency in residential buildings.…
    £50.75 INC VAT
    Picture of Loft Roll 44 (Combi-cut) 150mm (9.18 M2)

    Loft Roll 44 (Combi-cut) 150mm (9.18 M2)

    The Knauf Loft Roll 44 (Combi-Cut) 150 mm (9.18 m²) is a high-performance glass mineral wool insulation roll designed for loft and roof space insulation. With a lambda value of 0.044 W/mK, it helps reduce heat loss through the roof and supports improved U-values, making it an effective solution for enhancing energy efficiency in residential buildings.…
    £49.18 INC VAT
    Picture of Loft Roll 44 (Combi-cut) 200mm (6.84 M2)

    Loft Roll 44 (Combi-cut) 200mm (6.84 M2)

    The Knauf Loft Roll 44 (Combi-Cut) 200 mm (6.84 m²) is a high-performance glass mineral wool insulation roll designed for loft and roof space insulation. With a low lambda value of 0.044 W/mK, it helps reduce heat loss through the roof and supports improved U-values, making it an effective solution for enhancing energy efficiency in residential buildings.…
    £49.55 INC VAT