140mm Rockwool Flexi Insulation Slab - 1200mm x 600mm (pack of 4)



Guide Price



140mm Rockwool Flexi Insulation Slab - 1200mm x 600mm (pack of 4)
Guide Price: £54.57 (£65.48 inc VAT)
Price per m2: £18.95/m2 (£22.74 inc VAT)
- Product Code: A1-1465
- Delivery Time: 1 - 2 days
- Brand: Rockwool (Tech. support: 08712221780)
- Model: 1200mm x 600mm - 2.88m2
- Weight: 13.31kg
Our ratings on 21-10-2026:

4.8 out of 5
140mm Rockwool Flexi Insulation Slab - 1200mm x 600mm (pack of 4)
Width: 600mm
Length: 1200mm
Pack Quantity: 4
Density: 33kg/m3
Weight/m2: 4.62kg
Weight: 13.31kg
Thermal Conductivity: 0.037W/mK
R-Value: 3.78m2K/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.
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