Quick-Step Silent Walk Laminate Underlay QSUDLSW7 7m2 vs QuickTherm Vapour 10m2 Underlay
Compare whole-pack quantities, recorded costs and source-backed specifications for these products.
Store snapshots: 2026-10-10 · 2 sampled store(s)
For an illustrative 20 m² room with 10% allowance, these options require 4 and 3 packs. Their recorded material subtotals differ by £163.22. Compare the documented differences below before choosing.
Calculate for your room
| Product | Pack covers | Pack price¹ | Packs | Purchased coverage | Material subtotal | Next step |
|---|---|---|---|---|---|---|
| Quick-Step Silent Walk Laminate Underlay QSUDLSW7 7m2Flooring Supplies · ACC-UN-U-2068 | 7.0 m² | £93.23 | 4 | 28.0 m² | £372.92 | Use in my room plan → Store listing ↗ |
| QuickTherm Vapour 10m2 UnderlayUK Flooring Direct · ACC-SP-UN-05 | 10.0 m² | £69.90 | 3 | 30.0 m² | £209.70 | Use 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
| Specification | Quick-Step Silent Walk Laminate Underlay QSUDLSW7 7m2 | QuickTherm Vapour 10m2 Underlay |
|---|---|---|
| Recorded thickness | Not documented | 2mm |
| Laminate suitability recorded | Yes | Yes |
| Integrated moisture barrier recorded | Yes | Not documented |
| Manufacturer model | QSUDLSW7 | Not 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 Silent Walk Laminate Underlay QSUDLSW7 7m2 · evidence
SKU ACC-UN-U-2068 · Flooring Supplies · recorded 2026-10-10
- Recorded pack price / £: 93.23
<div class="product-calculator flex flex-col g-5" data-product-calculator data-coverage="7.0" data-pack-price="93.228" data-min-quantity="1" data-wastage="10" >
Source · recorded 2026-10-10 - Coverage per pack / m²: 7.0
{"measured_type": "area", "quantity_value": "7.0", "quantity_unit": "m2", "reference_value": 1, "reference_unit": "m2"}
Source · recorded 2026-10-10 - Manufacturer model: QSUDLSW7
Quick-Step Silent Walk Laminate Underlay QSUDLSW7 7m2
Source · recorded 2026-10-10 - Laminate suitability recorded: Yes
For your laminate floor
Source · recorded 2026-10-10 - Integrated moisture barrier recorded: Yes
Protection against rising damp
Source · recorded 2026-10-10
QuickTherm Vapour 10m2 Underlay · evidence
SKU ACC-SP-UN-05 · UK Flooring Direct · recorded 2026-10-10
- Recorded thickness: 2mm
thickness: 2mm
Source · recorded 2026-10-10 - Laminate suitability recorded: Yes
Featuring a unique perforated design and ultra-low tog value, our Quick Therm Vapour Underlay is perfect for use with underfloor heating systems. With a separate vapour barrier to stop moisture rising from the subfloor, this underlay will help keep your room damp-free. Suitable for use with all solid wood, engineered wood, and laminate floors, a 19db acoustic rating will ensure that every step is softer. 100% recyclable, this underlay is quick and easy to install.
Source · recorded 2026-10-10 - Coverage per pack / m²: 10.0
metersPerPack: 10.0, packsRequired: 0, productPrice: 69.9
Source · recorded 2026-10-10 - Recorded pack price / £: 69.90
metersPerPack: 10.0, packsRequired: 0, productPrice: 69.9
Source · recorded 2026-10-10
Continue your plan
- Quick-Step Silent Walk Laminate Underlay QSUDLSW7 7m2 — pack calculator & costs
- QuickTherm Vapour 10m2 Underlay — pack calculator & costs
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- Room planner: compare floor and underlay quantities
- How we calculate costs and check sources