75mm Rockwool RWA45 Slab (Prorox SL920) - pack of 6 - Pallet of 20
75mm Rockwool RWA45 Slab (Prorox SL920) - pack of 6 - Pallet of 20
Price: £595.46 (£714.55 inc VAT)
Price per m2: £6.89/m2 (£8.27 inc VAT)
- Product Code: A1-3905
- Delivery Time: 2 - 3 working days
- Brand: Rockwool (Tech. support: 08712221780)
- Model: 1200mm x 600mm - 86.4m2 - Free Delivery
- Weight: 405.00kg
Our ratings on 25-06-2026:

4.8 out of 5
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Guide Price: £447.53
(£537.04 inc VAT)
75mm Rockwool RWA45 Slab (Prorox SL920) - pack of 6 - Pallet of 20
Width: 600mm
Length: 1200mm
Pack Quantity: 6
Pallet Quantity: 20
Density: 45kg/m3
Weight/m2: 3.38kg
Weight: 405kg
Thermal Conductivity: 0.035W/mK
R-Value: 2.14m2K/W
Fire Rating (Reaction to Fire): A1(Non-combustible)
75mm 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 structure of the fibres in Rockwool Slabs makes them ideal for use as a sound absorber, with characteristically high coefficients over a wide frequency range.

APPLICATION
- Floors, walls, roofs,
- Ventilation plant in all types of buildings,
- Acoustic ceilings and partition panels,
- Can also be used to fire-stop small voids, in particular the gap under pitched tiled roofs in dwellings.
CHARACTERISTICS
- Excellent thermal, acoustic and fire insulation
- Water repellent
- Resists high temperatures up to 230C
- Easy to handle and install
- Cost effective
- No maintenance
- Black or white tissue and aluminium foil facings available
- Suitable for insulating curved surfaces
- Rockwool fibres are not classified as a possible human carcinogen
CERTIFICATION
- Rockwool RW Slabs 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 9001Quality Management Systems.
Brand: Rockwool
Model: 1000mm x 600mm - 1.20m2
Delivery Time: 5 - 7 days
140mm Rockwool Frontrock Super Dual Density External Wall Insulation Slab 1000mm x 600mm (pack of 2)
140mm Rockwool Frontrock Super is a high‑performance, mineral‑wool board designed specifically for external wall insulation (EWI) systems. It combines two distinct density layers in a single panel to deliver both excellent thermal performance and robust structural support. The core of the slab is a ..
Brand: Rockwool
Model: 1000mm x 650mm - 2.60m2
Delivery Time: 2 - 3 working days
75mm Rockwool SP60 Firestop Cavity Slab systems form cavity fire stops within commercial and industrial buildings. The solution may be installed horizontally or vertically and is suitable for varying cavity widths in masonry and curtain wall constructions. The product has been designed as a one-piec..
Guide Price: £215.29
£258.35 inc VAT
Brand: Rockwool
Model: 1200mm x 600mm - 4.32m2
Delivery Time: 2 - 3 working days
75mm 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..
£38.52
£46.22 inc VAT
Brand: Rockwool
Model: 1000mm x 650mm - 2.60m2
Delivery Time: 1-3 working days
90mm Rockwool SP120 Firestop Cavity Slab systems form cavity fire stops within commercial and industrial buildings. The solution may be installed horizontally or vertically and is suitable for varying cavity widths in masonry and curtain wall constructions. The product has been designed as a one-pie..
Guide Price: £264.73
£317.68 inc VAT
Brand: Rockwool
Model: SP/S
Delivery Time: 2 - 3 working days
SP/S Fixing Brackets are required for the installation of Rockwool Firestop SP60 and SP120 slabs. They are designed for cavities up to, and including 100mm wide. These bracket clips that are bent to an L shape. The leg with the angled point is 300mm long; this leg is impaled into the base of the fir..
£63.60
£76.32 inc VAT
Brand: Rockwool
Model: 1000mm x 600mm - 2.40m2
Delivery Time: 1 - 2 weeks
50mm Rockwool Ventirock F Super Rainscreen Slab is a dual-density rigid insulation, used where façade safety is important. As it has a higher density, it can be used for walls with increased fire requirements. Thanks to high resistance to water absorption, the problems of wetting during works are mi..
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
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