Browse
Cart
Don't worry, you can adjust your order via the cart page before checking out!
Checkout Secure

Covid-19 Notice: In light of our governments recent notice in relation to Covid-19 restrictions we would like to inform our customers that Build4less.co.uk is currently operating at normal capacity and will continue to do so during this Lockdown. Please refer to our Covid-19 page for further updates.

Covid-19 FAQs
For quickest response email us at sales@build4less.co.uk
    • Building Materials
    • Roofing
    • Flooring
    • Drainage
    • Insulation
    • Plasterboard
    • Timber & Sheets
    • Outdoor & Garden
    • Skip Hire
    • Van Insurance
      Price Match Guarantee
      Nationwide Delivery
      Secure Payments
    Hassle Free Returns

    Rockwool

  • PLEASE NOTE: Due to high demand from the PIR shortage, all Rockwool orders will take an estimated 4 - 5 weeks to deliver.
    • Rockwool RWA45 (All Sizes) - Rockwool Insulation Rockwool RWA45 (All Sizes) - Rockwool Insulation
    Rockwool RWA45 (All Sizes)

    Rockwool

    from £14.59

    Rockwool Flexi-Slab (All Sizes) - Rockwool Insulation Rockwool Flexi-Slab (All Sizes) - Rockwool Insulation
    Rockwool Flexi-Slab - All Sizes

    Rockwool

    from £24.92

    Rockwool RW3 1200mm x 600mm (All Sizes) - Rockwool Insulation Rockwool RW3 1200mm x 600mm (All Sizes) - Rockwool Insulation
    Rockwool RW3 (All Sizes)

    Rockwool

    from £276.81

    Two Beige Color Slab Two Beige Color Slab
    Rockwool Rainscreen Duo Slab (All Sizes)

    Rockwool

    from £686.09

    Rockwool RW5 1200mm x 600mm (All Sizes) - Rockwool Insulation Rockwool RW5 1200mm x 600mm (All Sizes) - Rockwool Insulation
    Rockwool RW5 (All Sizes)

    Rockwool

    from £406.79