Menu
Menu
Your Cart

100mm Rockwool RWA45 Slab (Prorox SL920) - pack of 4

100mm Rockwool RWA45 Slab (Prorox SL920) - pack of 4
100mm Rockwool RWA45 Slab (Prorox SL920) - pack of 4
100mm Rockwool RWA45 Slab (Prorox SL920) - pack of 4
100mm Rockwool RWA45 Slab (Prorox SL920) - pack of 4
100mm Rockwool RWA45 Slab (Prorox SL920) - pack of 4
Price: £29.27 (£35.12 inc VAT)
Price per m2: £10.16/m2 (£12.20 inc VAT)
14 or more £27.90 (£33.48 inc VAT)
20 or more £27.43 (£32.92 inc VAT)
30 or more £26.74 (£32.09 inc VAT)
  • Product Code: A1-81
  • Delivery Time: 2 - 3 working days
  • Brand: Rockwool
  • (Tech. support: 08712221780)
  • Model: 1200mm x 600mm - 2.88m2
  • Weight: 12.96kg
Our ratings on 27-01-2026:
Google My Business Reviews
4.8 out of 5
Show other thicknesses

100mm Rockwool RWA45 Slab (Prorox SL920) - pack of 4

Width: 600mm
Length: 1200mm
Pack Quantity: 4
Density: 45kg/m3
Weight/m2: 4.5kg
Weight: 12.96kg
Thermal Conductivity: 0.035W/mK
R-Value: 2.85m2K/W
Fire Rating (Reaction to Fire): A1(Non-combustible)

100mm 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 - 2.40m2
Delivery Time: 1 - 2 weeks
50mm Rockwool Ventirock 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 mini..
70mm Rockwool Flexi Insulation Slab - 1200mm x 600mm (pack of 8) 70mm Rockwool Flexi Insulation Slab - 1200mm x 600mm (pack of 8)
Guide Price
Brand: Rockwool Model: 1200mm x 600mm - 5.76m2
Delivery Time: 1 - 2 days
70mm Rockwool Flexi Insulation Slab is a unique semi-rigid thermal and acoustic insulation product made from volcanic rock. It has a flexible edge, specifically developed using patented technology for a fast and easy, perfect friction fit between timber and metal frame systems. This flexi-edge ensur..
Guide Price: £57.01
£68.41 inc VAT
54mm Bore 30mm Thick Rockwool RockLap Pipe Insulation 54mm Bore 30mm Thick Rockwool RockLap Pipe Insulation
Guide Price
Brand: Rockwool Model: RockLap 54/30mm
Delivery Time: 1 - 2 days
54mm 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..
Guide Price: £15.40
£18.48 inc VAT
21mm Bore 25mm Thick Rockwool RockLap Pipe Insulation 21mm Bore 25mm Thick Rockwool RockLap Pipe Insulation
Guide Price
Brand: Rockwool Model: RockLap 21/25mm
Delivery Time: 3 - 4 days
21mm 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..
Guide Price: £7.28
£8.74 inc VAT
Brand: Rockwool Model: RockLap 76/45mm
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..
67mm Bore 25mm Thick Rockwool RockLap Pipe Insulation 67mm Bore 25mm Thick Rockwool RockLap Pipe Insulation
Guide Price
Brand: Rockwool Model: RockLap 67/25mm
Delivery Time: 1 - 2 days
67mm 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..
Guide Price: £16.34
£19.61 inc VAT
This product is listed in the following categories and systems (click to show).