Skip to content

Hurry, the big you can do it sale ends midnight on 5 May! Shop unmissable deals online & in store now

B&Q Club
Customer support
Sell on diy.com

For delivery & collection optionsEnter your postcode
Wish list
Register
Sign in

Start typing your search to have a list of suggestions.

Big You Can Do It Sale
Garden & Landscaping
Painting & Decorating
Building & Hardware
Home & Furniture
Tiling & Flooring
Kitchen & Appliances
Bathroom & Showers
Lighting & Electrical
Tools & Equipment
Heating & Cooling
New & Trending

B&Q Club
Customer support
Sell on diy.com

For delivery & collection optionsEnter your postcode
Wish list
Register
Sign in

Click + Collect now in as little as 15 minutes*

*Restrictions apply

Free delivery on 1000s of products

Selected products/locations

90 day returns policy

Join B&Q Club

Save up to £100 a year▲

See more Flooring & underlay

Home
Flooring & tiling
Flooring & underlay
Underlay & floor preparation

Underlay & floor preparation

Applied filters(3)

Coverage

15

Material

Polyethylene foam

Rating

4 stars

Categories

See more Flooring & underlay

Filters

Thickness (mm)
- 3(1)
- 5(1)
Material
Coverage
- 15(2)
- 20(1)
Weight (kg)
- 1.2(1)
- 1.8(1)
Price
- £30 - £40(1)
- £40 - £50(1)
Rating
- 4 stars
  (2)
- 3 stars
  (1)

2 products

Compare

SortSort by

6 people bought this in 48 hours
Great low price
3mm Silver Wood & Laminate Flooring Underlay (1m x 15m Roll) Foil Damp Proof Membrane Underlayment
4.85 stars
(7)
6 people bought this in 48 hours
£34.94£2.33 per m²
Available for Home Delivery
Not available for Click + Collect
Not available in stores
Great low price
5mm Gold Laminate & Wood Underlay 15m2 (1m x 15m Roll) Moisture Proof Membrane Impact & Airborne Noise Reduction
4 stars
(3)
£42.70£2.85 per m²
Available for Home Delivery
Not available for Click + Collect
Not available in stores
Find out more

Showing 2 of 2 products

Business

B&Q corporate
Careers
Media centre
Responsible business
Modern slavery act
Business services
Affiliate program
B&Q Ireland
The Way We Live Now: 2025

Services

View all our services
B&Q club
B&Q finance
B&Q gift cards
Planning appointments
WEEE recycling
B&Q bulk delivery
Our installation service
Energy Saving Service

Products

Green star
Our own brands
B&Q app
Product information
Product recalls & safety notices
Health & safety data sheets
Become a B&Q verified seller
New at B&Q
Promotional terms & conditions
B&Q Marketplace

Help & Support

Ideas & advice
Customer support
Home delivery
Free Click + Collect
Returns & refunds
Brochures
Paint brochures
Store finder
Become a B&Q approved installer
Intellectual Property (IP) Infringement Claims form

Partner Sites

Rubbish clearance
California shutters
Made to measure blinds
NeedHelp
Spacepro made to measure wardrobes
BOXT boilers
BOXT air conditioning
TradePoint

© B&Q 2025

Terms & conditions
Privacy policy
Contact us