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Quick-Step Standard Foam Underlay QSUDLUN15 for Laminate and Real Wood Floors 15m2 vs Fibre Board Thermal Insulation Underlay 5.5mm with Recycled Content

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

Store snapshots: 2026-10-10 · 2 sampled store(s)

Quick-Step Standard Foam Underlay QSUDLUN15 for Laminate and Real Wood Floors 15m2 — merchant product photo
Photo: Flooring Supplies
Fibre Board Thermal Insulation Underlay 5.5mm with Recycled Content — merchant product photo
Photo: UK Flooring Direct

For an illustrative 20 m² room with 10% allowance, these options require 2 and 3 packs. Their recorded material subtotals differ by £99.51. 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
Quick-Step Standard Foam Underlay QSUDLUN15 for Laminate and Real Wood Floors 15m2Flooring Supplies · ACC-UN-U-214115.0 m²£29.84230.0 m²£59.68Use in my room plan →
Store listing ↗
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 ↗

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
SpecificationQuick-Step Standard Foam Underlay QSUDLUN15 for Laminate and Real Wood Floors 15m2Fibre Board Thermal Insulation Underlay 5.5mm with Recycled Content
Recorded thicknessNot documented5mm
Laminate suitability recordedYesYes
Integrated moisture barrier recordedNoNot documented
Manufacturer modelQSUDLUN15Not documented

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

Quick-Step Standard Foam Underlay QSUDLUN15 for Laminate and Real Wood Floors 15m2 · evidence

SKU ACC-UN-U-2141 · Flooring Supplies · recorded 2026-10-10

  • Laminate suitability recorded: Yes

    This Quickstep Standard Foam Underlay is versatile underlay to be used with all kinds of "floating floor" systems (such as laminate and engineered). This underlay doesn’t come with a DPM so is ideally used over wood or chipboard subfloors.

    Source · recorded 2026-10-10
  • Integrated moisture barrier recorded: No

    Uniclic polyethylene foam without integrated vapour barrier (3mm).

    Source · recorded 2026-10-10
  • Recorded pack price / £: 29.84

    <div class="product-calculator flex flex-col g-5" data-product-calculator data-coverage="15.0" data-pack-price="29.844" data-min-quantity="1" data-wastage="10" >

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

    {"measured_type": "area", "quantity_value": "15.0", "quantity_unit": "m2", "reference_value": 1, "reference_unit": "m2"}

    Source · recorded 2026-10-10
  • Manufacturer model: QSUDLUN15

    Quick-Step Standard Foam Underlay QSUDLUN15 for Laminate and Real Wood Floors 15m2

    Source · recorded 2026-10-10
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

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