100mm Rockwool Flexi Insulation Slab - 1200mm x 600mm (pack of 6)






100mm Rockwool Flexi Insulation Slab - 1200mm x 600mm (pack of 6)
Price: £47.12 (£56.54 inc VAT)
Price per m2: £10.91/m2 (£13.09 inc VAT)
- Product Code: A1-216
- Delivery Time: 1 - 2 days
- Brand: Rockwool (Tech. support: 08712221780)
- Model and Size: 1200mm x 600mm - 4.32m2
- Weight: 14.26kg
Our ratings on 11-09-2025:

4.8 out of 5
100mm Rockwool Flexi Insulation Slab - 1200mm x 600mm (pack of 6)
Width: 600mm
Length: 1200mm
Pack Quantity: 6
Density: 33kg/m3
Weight/m2: 3.3kg
Weight: 14.26kg
Thermal Conductivity: 0.037W/mK
R-Value: 2.63m2K/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 76/40mm
Delivery Time: 1 - 2 days
76mm 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 com..
Brand: Rockwool
Model and Size: RockLap 159/30mm
Delivery Time: 1 - 2 days
159mm 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 co..
£36.64
£43.97 inc VAT
Brand: Rockwool
Model and Size: 4800mm x 1200mm - 5.76m2
Delivery Time: 2 - 5 working days
100mm Rockwool RollBatt Loft Insulation is a versatile, medium-density lightweight insulation mat specifically designed to enhance both thermal and acoustic performance in various building applications. Available in pre-cut sizes of 2x600mm and 3x400mm, this insulation solution is ideal for use in r..
Guide Price: £68.30
£81.96 inc VAT
Brand: Rockwool
Model and Size: 1200mm x 600mm - 17.28m2
Delivery Time: 2 - 3 weeks
190mm Rockwool Rainscreen Duo Slab 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 during manufacture. The ..
Brand: Rockwool
Model and Size: 1200mm x 600mm - 2.88m2
Delivery Time: 2 - 3 working days
50mm Rockwool RW5 (Prorox SL960) is a high quality resin bonded rigid 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. Th..
Guide Price: £44.54
£53.45 inc VAT
Brand: Rockwool
Model and Size: RockLap 406/45mm
Delivery Time: 1 - 2 days
406mm 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 co..
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