50mm Rockwool Flexi Insulation Slab - 1200mm x 600mm (pack of 12)






50mm Rockwool Flexi Insulation Slab - 1200mm x 600mm (pack of 12)
Price: £44.19 (£53.03 inc VAT)
Price per m2: £5.11/m2 (£6.14 inc VAT)
- Product Code: A1-376
- Delivery Time: 1 - 2 days
- Brand: Rockwool (Tech. support: 08712221780)
- Model and Size: 1200mm x 600mm - 8.64m2
- Weight: 15.12kg
Our ratings on 01-08-2025:

4.8 out of 5
50mm Rockwool Flexi Insulation Slab - 1200mm x 600mm (pack of 12)
Width: 600mm
Length: 1200mm
Pack Quantity: 12
Pack Coverage: 8.64m2
Density: 33kg/m3
Weight/m2: 1.65kg
Weight: 15.12kg
Thermal Conductivity: 0.037W/mK
R-Value: 1.32m2K/W
Fire Rating (Reaction to Fire): A1(Non-combustible)
CHARACTERISTICS
- Excellent thermal and acoustic performance,
- Easy to handle and, install requires no maintenance
- Has a flexible edge prevents gaps in the insulation,
- Non-combustible,
- Environmentally friendly, with no GWP and ODP potential,
- Helps comply with applicable regulations,
- No waste.
APPLICATION
- Separating walls and floors,
- Framed external walls,
- Framed internal partitions,
- Suspended floors,
- Pitched roofs.
Rockwool Flexi expands into the void, ensuring thermal and acoustic integrity, whilst rigid insulations may leave a 6 mm gap, or even fall out, when the timber dries out.
CERTIFICATION
- Satisfy the requirements of BS EN 13162 - Thermal insulation products for buildings. Factory made mineral wool (MW) products.
- Manufactured under ISO 14001 Environmental Management Systems, and ISO 9001 Quality Management Systems.
Brand: Rockwool
Model and Size: RockLap 42/45mm
Delivery Time: 1 - 2 days
42mm RockLap H&V Pipe Sections are strong lengths of pre-formed insulation with a one piece, factory applied foil facing with integral self-adhesive lap. The integral lap ensures fast and easy installation: just snap the sections onto the pipe, peel off the backing tape and smooth down for a complet..
Brand: Rockwool
Model and Size: 1000mm x 600mm - 28.80m2
Delivery Time: 2 - 3 weeks
100mm Rockwool Rainscreen Duo Slab with ALU Faced 2 Sides is a dual-density rigid insulation for use in ventilated cladding systems and sealed systems such as curtain walling. The outer layer of each slab has a higher density than the remainder of the product and added with a water-repellent agent d..
Brand: Rockwool
Model and Size: 1000x600mm - 0.6m2
Delivery Time: 4 - 5 weeks
50mm Thermal Rockwool Rockfloor Insulation Slab is a tissue faced, high compressive dual density insulation slab made from mineral stone wool, and meets Part L Building Regulations in ground floors, and for acoustic applications, meets Building Regulations Part E, in intermediate and separ..
Guide Price: £24.20
£29.04 inc VAT
Brand: Rockwool
Model and Size: 1200mm x 600mm - 1.44m2
Delivery Time: 1 - 2 days
90mm Rockwool Dual Density Slab is a rigid thermal insulation slab specifically created for external wall applications to go directly under render. It is made from volcanic rock, thus extremely durable and fire resistant. The higher density outer surface of the slab is to take the render, whilst the..
Guide Price: £39.89
£47.87 inc VAT
Brand: Rockwool
Model and Size: 1200mm x 600mm - 0.72m2
Delivery Time: 1 - 2 days
60mm Rockwool Ablative Coated Batt is a mineral wool insulation product that is pre-coated on both sides with an ablative layer. It has undergone extensive testing as part of the Rockwool FirePro range of fire-stopping solutions and can be installed across a variety of services and substrates, inclu..
£20.64
£24.77 inc VAT
Brand: Rockwool
Model and Size: 600mm x 1200mm - 103.68m2 - Free Delivery
Delivery Time: 2 - 3 working days
50mm Rockwool RWA45 is a high quality resin bonded flexible slab for a wide range of thermal, acoustic and fire insulation requirements both within buildings and for industry. They are suitable for many applications including thermal insulation for floors, walls, roofs and boiler rooms. The structur..
£438.86
£526.63 inc VAT
Categories
- Glass and Rock Wool Insulation
- Rock Wool Insulation
- Acoustic | Soundproofing
- Acoustic Insulation Slabs and Rolls
- Roof Insulation
- Flat Roof Insulation
- Pitched Roof Insulation
- Loft Insulation
- Floor Insulation
- Wall Insulation
- Internal Wall Insulation
- Partition Wall Insulation
- Slabs and Batts
- All Products