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Fibre Board Thermal Insulation Underlay 5.5mm with Recycled Content vs Essential Plus Cushion White 15m2 Underlay

Compare whole-pack quantities, recorded costs and source-backed specifications for these products.

Store snapshots: 2026-10-10 · 1 sampled store(s)

Fibre Board Thermal Insulation Underlay 5.5mm with Recycled Content — merchant product photo
Photo: UK Flooring Direct
Essential Plus Cushion White 15m2 Underlay — merchant product photo
Photo: UK Flooring Direct

For an illustrative 20 m² room with 10% allowance, these options require 3 and 2 packs. Their recorded material subtotals differ by £69.50. Compare the documented differences below before choosing.

Calculate for your room

Example: 20 m² room + 10% allowance = 22 m² target
ProductPack coversPack price¹PacksPurchased coverageMaterial subtotalNext step
Fibre Board Thermal Insulation Underlay 5.5mm with Recycled ContentUK Flooring Direct · ACC-UN-FB-139110.03 m²£53.06330.09 m²£159.19Use in my room plan →
Store listing ↗
Essential Plus Cushion White 15m2 UnderlayUK Flooring Direct · ACC-UN-NO-00415.0 m²£44.84230.0 m²£89.69Use in my room plan →
Store listing ↗

¹ Pack prices display rounded pennies; line totals use the source’s full price precision. 10% is an adjustable example allowance. Quantities round up using recorded merchant order rules. Material subtotals exclude delivery, labour, preparation, trims, tape and additional membranes. These are dated offers from our sampled stores; confirm current price and stock with the store.

Documented specifications

Missing values are not inferred from a product name
SpecificationFibre Board Thermal Insulation Underlay 5.5mm with Recycled ContentEssential Plus Cushion White 15m2 Underlay
Recorded thickness5mm3mm
Laminate suitability recordedYesYes

This is a specification and quantity comparison, not a hands-on review or installation approval. Confirm the exact floor, underlay, subfloor and heating requirements together.

Sources behind these figures

Fibre Board Thermal Insulation Underlay 5.5mm with Recycled Content · evidence

SKU ACC-UN-FB-1391 · UK Flooring Direct · recorded 2026-10-10

  • Recorded thickness: 5mm

    thickness: 5mm

    Source · recorded 2026-10-10
  • Laminate suitability recorded: Yes

    FibreBoard Underlay – Superior Comfort & Insulation Transform your space with FibreBoard underlay, designed for laminate and real wood flooring to keep your floors warm and your home feeling extra cosy. With outstanding thermal insulation, it’s the perfect solution for cold subfloors—ideal for areas like cellars or chilly ground floors. Not only does it enhance comfort, but FibreBoard also helps smooth out uneven subfloors by up to 5.5mm, creating a more stable surface for your flooring. Plus, with acoustic insulation of up to 18dB, it reduces noise for a quieter, more peaceful home. Crafted from 100% natural, recyclable wood materials, this eco-friendly choice is better for both your home and the planet. Key Benefits: Stay Warm – Excellent thermal insulation keeps out the cold Smoother Floors – Levels out subfloor irregularities up to 5.5mm Quieter Spaces – Reduces noise with up to 18dB acoustic insulation Eco-Friendly – Made from 100% natural and recyclable materials

    Source · recorded 2026-10-10
  • Coverage per pack / m²: 10.03

    metersPerPack: 10.03, packsRequired: 0, productPrice: 53.064

    Source · recorded 2026-10-10
  • Recorded pack price / £: 53.064

    metersPerPack: 10.03, packsRequired: 0, productPrice: 53.064

    Source · recorded 2026-10-10
Essential Plus Cushion White 15m2 Underlay · evidence

SKU ACC-UN-NO-004 · UK Flooring Direct · recorded 2026-10-10

  • Recorded thickness: 3mm

    thickness: 3mm

    Source · recorded 2026-10-10
  • Laminate suitability recorded: Yes

    An underlay with a built-in lightweight DPM for use when installing all click-together wood and laminate floors. Easy to fit for any DIY enthusiast, Cushion Plus White Underlay is made from 3mm thick foam to absorb impacts and soften sound, while also taking up minor subfloor irregularities. The underlay is ready for use with underfloor heating and can be used in conjunction with Fast-Fit Polythene Damp Proof Membrane or Lumberjack M.B Primer. Seams should be taped and each 1m wide roll covers approximately 15m2.

    Source · recorded 2026-10-10
  • Coverage per pack / m²: 15.0

    metersPerPack: 15.0, packsRequired: 0, productPrice: 44.844

    Source · recorded 2026-10-10
  • Recorded pack price / £: 44.844

    metersPerPack: 15.0, packsRequired: 0, productPrice: 44.844

    Source · recorded 2026-10-10

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