Rather place your order over the phone? Trade customers can call us directly to place new orders on 0208 2641 144. Lines open 8am - 10pm 7 days/week.

Rockwool Flexi-Slab 100mm x 1200mm x 600mm is a high-performance insulation solution designed for walls, floors, and partitions. Manufactured from robust stone wool, this flexible slab provides excellent thermal and acoustic insulation, helping to improve energy efficiency and soundproofing in residential and commercial buildings. Its unique flexible edge ensures a tight fit between timber or metal frames for easy installation and minimal gaps. The Rockwool Flexi-Slab is fire-resistant, water-repellent, and maintains its shape over time, making it ideal for new builds or refurbishment projects where reliable insulation is required.
