product comparison

Quick-Step Basic Plus Underlay QSUDLBP15 for Laminate Flooring 2mm vs Quick-Step Silent Walk Laminate Underlay QSUDLSW7 7m2

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

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

Quick-Step Basic Plus Underlay QSUDLBP15 for Laminate Flooring 2mm — merchant product photo — Photo: Flooring Supplies

Quick-Step Silent Walk Laminate Underlay QSUDLSW7 7m2 — merchant product photo — Photo: Flooring Supplies

For an illustrative 20 m² room with 10% allowance, these options require 2 and 4 packs. Their recorded material subtotals differ by £299.44. Compare the documented differences below before choosing.

Calculate for your room

Example: 20 m² room + 10% allowance = 22 m² target
Product	Pack covers	Pack price¹	Packs	Purchased coverage	Material subtotal	Next step
Quick-Step Basic Plus Underlay QSUDLBP15 for Laminate Flooring 2mmFlooring Supplies · ACC-UN-U-1414	15.0 m²	£36.74	2	30.0 m²	£73.48	Use in my room plan → Store listing ↗
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 ↗

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
Specification	Quick-Step Basic Plus Underlay QSUDLBP15 for Laminate Flooring 2mm	Quick-Step Silent Walk Laminate Underlay QSUDLSW7 7m2
Laminate suitability recorded	Yes	Yes
Integrated moisture barrier recorded	Yes	Yes
Manufacturer model	QSUDLBP15	QSUDLSW7

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 Basic Plus Underlay QSUDLBP15 for Laminate Flooring 2mm · evidence

SKU ACC-UN-U-1414 · Flooring Supplies · recorded 2026-10-10

Integrated moisture barrier recorded: Yes
Protection against rising damp
Source · recorded 2026-10-10
Recorded pack price / £: 36.74
<div class="product-calculator flex flex-col g-5" data-product-calculator data-coverage="15.0" data-pack-price="36.744" 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: QSUDLBP15
Quick-Step Basic Plus Underlay QSUDLBP15 for Laminate Flooring 2mm
Source · recorded 2026-10-10
Laminate suitability recorded: Yes
For your laminate floor
Source · recorded 2026-10-10

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

Quick-Step Basic Plus Underlay QSUDLBP15 for Laminate Flooring 2mm vs Quick-Step Silent Walk Laminate Underlay QSUDLSW7 7m2

Calculate for your room

Documented specifications

Sources behind these figures

Continue your plan