Loft Insulation 100mm

At Insulation4less.co.uk, we offer a wide range of loft insulation products to suit your needs. Our 100mm loft insulation is perfect for keeping your home warm in the winter and cool in the summer. Our 100mm loft insulation is made from high quality materials and is designed to provide excellent thermal performance. It is easy to install, and can be used in a variety of different applications. We also offer free delivery on all eligible orders, so you can be sure you are getting the best possible deal.
26 products
Knauf 100mm Loft Roll 44 Combi-Cut (13.89m2 roll)
Knauf 100mm Loft Roll 44 Combi-Cut (13.89m2 roll)
Free Delivery
on orders over £300
Vendor
Knauf
Knauf 100mm Loft Roll 44 Combi-Cut (13.89m2 roll)
Shop a cheaper alternative product - Volcalis Easy Light Loft Roll 44
  • 100mm Loft Roll 44 Combi-Cut for cold lofts with pitched roofs at ceiling level.
  • Non-combustible Glass Mineral Wool for superior thermal performance
  • Revolutionary ECOSE® Technology ensures sustainability and efficiency
Regular price
£28.94
Sale price
Was £0.00
Was £0.00 Ex.Vat
£28.94 £34.73
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Rockwool Twin Roll Mineral Wool Insulation 100mm x 2.75m x 1.2m (x 2) (6.60m2)
Rockwool Twin Roll Mineral Wool Insulation 100mm x 2.75m x 1.2m (x 2) (6.60m2)
Free Delivery
on orders over £300
Vendor
Rockwool
Rockwool Twin Roll Mineral Wool Insulation 100mm x 2.75m x 1.2m (x 2) (6.60m2)
  • Thermal and acoustic insulation
  • Fire-resistant, non-combustible
  • Eco-friendly, easy to install
Regular price
£73.02
Sale price
Was £0.00
Was £0.00 Ex.Vat
£73.02 £87.62
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Isover Spacesaver Ready-Cut - All Sizes
Isover Spacesaver Ready-Cut - All Sizes
Free Delivery
on orders over £300
Vendor
Isover
Isover Spacesaver Ready-Cut - All Sizes
Shop a cheaper alternative product - Volcalis Easy Light Loft Roll 44
  • Flexible sizing & widths: 100mm to 200mm thickness; half, third, or full width options.
  • Eco-friendly: Up to 82% recycled glass with Zero ODP & GWP.
  • Easy, safe installation: Resilient, tear-resistant, non-combustible for a cozy, green home.
Regular price
£32.55
Sale price
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Was £0.00 Ex.Vat
£32.55 £39.06
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100% Sheepwool Insulation Comfort Roll (All Sizes)
100% Sheepwool Insulation Comfort Roll (All Sizes)
Vendor
Sheepwool
100% Sheepwool Insulation Comfort Roll (All Sizes)
Regular price
£74.90
Sale price
Was £0.00
Was £0.00 Ex.Vat
£74.90 £89.88
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100% Sheepwool Insulation Optimal Roll (All Sizes)
100% Sheepwool Insulation Optimal Roll (All Sizes)
Vendor
Sheepwool
100% Sheepwool Insulation Optimal Roll (All Sizes)
Regular price
£99.89
Sale price
Was £0.00
Was £0.00 Ex.Vat
£99.89 £119.87
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Superglass Multiroll 44 - All Sizes
Superglass Multiroll 44 - All Sizes
Free Delivery
on orders over £300
Vendor
Superglass
Superglass Multiroll 44 - All Sizes
  • Noncombustible, eco-friendly loft insulation
  • A1 fire safety rating, CFC and HCFC-free
  • Resilient to rot, mold-resistant, optimal thermal performance
Regular price
£24.85
Sale price
Was £0.00
Was £0.00 Ex.Vat
£24.85 £29.82
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Knauf Acoustic Roll - All Sizes
Knauf Acoustic Roll - All Sizes
Free Delivery
on orders over £300
Vendor
Knauf
Knauf Acoustic Roll - All Sizes
  • Non-combustible Glass Mineral Wool insulation rolls
  • Enhanced air quality and comfort levels
  • Proven sound absorption, compliant with building regulations
Regular price
£40.90
Sale price
Was £0.00
Was £0.00 Ex.Vat
£40.90 £49.08
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Rockwool RWA45 (All Sizes)
Rockwool RWA45 (All Sizes)
Free Delivery
on orders over £300
Vendor
Rockwool
Rockwool RWA45 (All Sizes)
Regular price
£22.79
Sale price
Was £0.00
Was £0.00 Ex.Vat
£22.79 £27.35
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Rockwool RW5 (All Sizes)
Rockwool RW5 (All Sizes)
Free Delivery
on orders over £300
Vendor
Rockwool
Rockwool RW5 (All Sizes)
  • Enhanced RW5 Insulation Slab: Optimal thermal (0.034 W/mK) and acoustic performance, Euroclass A1 fire reaction, water repellent, various thicknesses (30mm-100mm).
  • Versatile Application: Ideal for walls, ceilings, floors, roofs; tailored for longevity; high-density resin-bonded slabs.
  • Cost-effective Solution: 1200x600mm slab size, 100kg/m³ density, limits fire spread and damage, ensures excellent results.
Regular price
£621.09
Sale price
Was £0.00
Was £0.00 Ex.Vat
£621.09 £745.31
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Rockwool RW3 Acoustic, Thermal, and Fire Performance Insulation Slabs (All Sizes)
Rockwool RW3 Acoustic, Thermal, and Fire Performance Insulation Slabs (All Sizes)
Free Delivery
on orders over £300
Vendor
Rockwool
Rockwool RW3 Acoustic, Thermal, and Fire Performance Insulation Slabs (All Sizes)
  • Superior thermal, acoustic, and fire insulation from volcanic rock
  • Versatile boards fit snugly into structures, reducing noise and absorbing sound
  • Durable, sustainable, and eco-friendly with various sizes and densities available
Regular price
£406.05
Sale price
Was £0.00
Was £0.00 Ex.Vat
£406.05 £487.26
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Rockwool Flexi-Slab - All Sizes
Rockwool Flexi-Slab - All Sizes
Free Delivery
on orders over £300
Vendor
Rockwool
Rockwool Flexi-Slab - All Sizes
  • Versatile dual-purpose insulation: thermal & acoustic
  • Patented flexible edge for easy installation
  • Euroclass A1 non-combustible, BS EN 13162 compliant
Regular price
£38.08
Sale price
Was £0.00
Was £0.00 Ex.Vat
£38.08 £45.70
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Knauf RS45 (All Sizes) 600mm x 1200mm
Knauf RS45 (All Sizes) 600mm x 1200mm
Free Delivery
on orders over £300
Vendor
Knauf
Knauf RS45 (All Sizes) 600mm x 1200mm
  • Unfaced rock mineral wool slabs
  • Euroclass A1 fire performance, eco-friendly
  • Excellent thermal conductivity: 0.035 W/mK
Regular price
£30.70
Sale price
Was £0.00
Was £0.00 Ex.Vat
£30.70 £36.84
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Knauf RS60 (600mm x 1200mm) - All Sizes
Knauf RS60 (600mm x 1200mm) - All Sizes
Free Delivery
on orders over £300
Vendor
Knauf
Knauf RS60 (600mm x 1200mm) - All Sizes
Regular price
£389.00
Sale price
Was £0.00
Was £0.00 Ex.Vat
£389.00 £466.80
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Knauf RS140 (600mm x 1200mm) - All Sizes
Knauf RS140 (600mm x 1200mm) - All Sizes
Free Delivery
on orders over £300
Vendor
Knauf
Knauf RS140 (600mm x 1200mm) - All Sizes
Regular price
£0.00
Sale price
Was £0.00
Was £0.00 Ex.Vat
£0.00 £0.00
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Knauf Rocksilk Flexible Slab (All Sizes) 1200mm x 600mm
Knauf Rocksilk Flexible Slab (All Sizes) 1200mm x 600mm
Free Delivery
on orders over £300
Vendor
Knauf
Knauf Rocksilk Flexible Slab (All Sizes) 1200mm x 600mm
  • Superior thermal conductivity of 0.035 W/mK
  • Eco-friendly with Zero Ozone Depletion and Global Warming Potential
  • Odorless, non-hygroscopic, and rot-proof for lasting protection
Regular price
£32.42
Sale price
Was £0.00
Was £0.00 Ex.Vat
£32.42 £38.90
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Knauf OmniFit Roll - All Sizes
Knauf OmniFit Roll - All Sizes
Free Delivery
on orders over £300
Vendor
Knauf
Knauf OmniFit Roll - All Sizes
  • Exceptional acoustic absorption & compliance with regulations.
  • Flexible, non-combustible glass mineral wool for easy fitting.
  • Superior thermal performance for quieter, more comfortable spaces.
Regular price
£1,717.18
Sale price
Was £0.00
Was £0.00 Ex.Vat
£1,717.18 £2,060.62
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Knauf OmniFit Slabs 35 (All Sizes)
Knauf OmniFit Slabs 35 (All Sizes)
Free Delivery
on orders over £300
Vendor
Knauf
Knauf OmniFit Slabs 35 (All Sizes)
  • Exceptional thermal & acoustic performance with non-combustible glass mineral wool
  • Hassle-free friction fit installation
  • Flexible sizing & multiple applications for comfortable, energy-efficient spaces
Regular price
£975.00
Sale price
Was £0.00
Was £0.00 Ex.Vat
£975.00 £1,170.00
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Knauf DriTherm 32 Mineral Wool Cavity Slabs (455mm x 1200mm) - All Sizes
Knauf DriTherm 32 Mineral Wool Cavity Slabs (455mm x 1200mm) - All Sizes
Free Delivery
on orders over £300
Vendor
Knauf
Knauf DriTherm 32 Mineral Wool Cavity Slabs (455mm x 1200mm) - All Sizes
  • Various sizes for specific insulation needs
  • Zero ODP, zero GWP, formaldehyde-free
  • Non-combustible, sustainable, water-vapour resistant
Regular price
£29.75
Sale price
Was £0.00
Was £0.00 Ex.Vat
£29.75 £35.70
Sold out
Isover Acoustic Partition Roll - APR 1200 (All Sizes)
Isover Acoustic Partition Roll - APR 1200 (All Sizes)
Free Delivery
on orders over £300
Vendor
Isover
Isover Acoustic Partition Roll - APR 1200 (All Sizes)
  • Non-combustible glass mineral wool for sound insulation in walls, partitions, and floors.
  • Easy to cut and install, with high acoustic insulation, lightweight, and eco-friendly.
  • Durable, recycled, SpecSure Warranty, won't corrode metals, or harbor pests or fungi.
Regular price
£39.95
Sale price
Was £0.00
Was £0.00 Ex.Vat
£39.95 £47.94
Sold out
Knauf RS100 (600mm x 1200mm) - All Sizes
Knauf RS100 (600mm x 1200mm) - All Sizes
Free Delivery
on orders over £300
Vendor
Knauf
Knauf RS100 (600mm x 1200mm) - All Sizes
  • Versatile rock mineral wool slabs: Densities from 33 to 200 kg/m3.
  • Excellent thermal and acoustic insulation.
  • Environmentally friendly: Zero ODP, Class 1 flame spread rating.
Regular price
£548.00
Sale price
Was £0.00
Was £0.00 Ex.Vat
£548.00 £657.60
Sold out
Knauf DriTherm 34 (All Sizes)
Knauf DriTherm 34 (All Sizes)
Free Delivery
on orders over £300
Vendor
Knauf
Knauf DriTherm 34 (All Sizes)
Regular price
£1,395.00
Sale price
Was £0.00
Was £0.00 Ex.Vat
£1,395.00 £1,674.00
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Knauf SteelTherm Roll 40 (All Sizes)
Knauf SteelTherm Roll 40 (All Sizes)
Free Delivery
on orders over £300
Vendor
Knauf
Knauf SteelTherm Roll 40 (All Sizes)
Regular price
£1,999.99
Sale price
Was £0.00
Was £0.00 Ex.Vat
£1,999.99 £2,399.99
Sold out
Thermafleece SupaSoft Roll
Thermafleece SupaSoft Roll
Vendor
Thermafleece
Thermafleece SupaSoft Roll
Regular price
£49.62
Sale price
Was £0.00
Was £0.00 Ex.Vat
£49.62 £59.54
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Thermafleece CosyWool Roll
Thermafleece CosyWool Roll
Vendor
Thermafleece
Thermafleece CosyWool Roll
Regular price
£84.95
Sale price
Was £0.00
Was £0.00 Ex.Vat
£84.95 £101.94
Sold out
Knauf OmniFit Roll 34 - All Sizes
Knauf OmniFit Roll 34 - All Sizes
Free Delivery
on orders over £300
Vendor
Knauf
Knauf OmniFit Roll 34 - All Sizes
  • Exceptional acoustic absorption
  • Minimum 10kg/m3 density
  • Flexible glass mineral wool roll, easy installation, superior thermal and acoustic performance
Regular price
£2,320.00
Sale price
Was £0.00
Was £0.00 Ex.Vat
£2,320.00 £2,784.00
Sold out
Volcalis Easy Light Loft Roll 44 - All Sizes
Volcalis Easy Light Loft Roll 44 - All Sizes
Free Delivery
on orders over £300
Vendor
Volcalis
Volcalis Easy Light Loft Roll 44 - All Sizes
  • Lightweight, easy-to-install mineral wool with excellent thermal and acoustic insulation.
  • Fire resistant and eco-friendly, made from sustainable, recyclable materials.
  • Suitable for ceilings, roofs, and facades in both new construction and renovation projects.
Regular price
£29.48
Sale price
Was £0.00
Was £0.00 Ex.Vat
£29.48 £35.38
Sold out

When it comes to ensuring that your home's energy efficient and warm, especially during the chilly winter months, loft insulation is paramount. At Insulation4less, we provide a broad array of 100mm loft insulation products that cater to various requirements and preferences, enveloping notable brands like Knauf, Rockwool, Isover, Sheepwool, and Superglass, amongst others. Our extensive range ensures that you can find a solution that is not only effective in terms of thermal performance but also adept at meeting specific needs, such as acoustic insulation or fire resistance.

Mineral Wool Insulation

Knauf and Rockwool Knauf and Rockwool are renowned for their versatile loft roll insulation products, including the Knauf 100mm Loft Roll 44 and Rockwool Twinroll, which are especially adept at providing comprehensive coverage and excellent thermal performance. Moreover, they also provide specific solutions like acoustic rolls and fire-resistant slabs, like the Rockwool RW3 and Knauf RS series, catering to nuanced demands for both residential and commercial spaces.

Isover Isover is known for the Spacesaver Combi-Cut, a glass mineral wool roll that not only offers excellent thermal properties but is also easy to handle and install, making it a preferred choice for DIY insulation projects.

Sheepwool Insulation

100% Sheepwool Offering products like the Insulation Comfort Roll and Optimal Roll, Sheepwool provides a sustainable and eco-friendly insulation option. Not only does it provide excellent thermal performance, but it also allows for a natural and organic means to insulate your loft space, championing environmental conservation.

Superglass Insulation

Superglass The Multiroll 44 from Superglass offers a lightweight, non-combustible glass mineral wool roll that is specifically designed to provide thermal and acoustic insulation in ceilings, walls, and floors. Its varied applications and affordability make it a popular choice amongst a variety of users.

Choosing the Right Loft Insulation

Selecting the right product largely depends on your specific insulation needs:

  • General Insulation: For straightforward thermal insulation in the loft, classic rolls from Knauf or Rockwool may be apt.
  • Acoustic Insulation: If you’re looking to minimise sound transmission, consider acoustic rolls or slabs, such as the Knauf Acoustic Roll or Isover Acoustic Partition Roll.
  • Fire Resistance: For enhanced fire protection, consider specialty slabs like Rockwool’s RW series that offer added fire performance.
  • Sustainability: If sustainability is a priority, Sheepwool or Thermafleece offer products that combine efficient insulation with eco-friendly materials.
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