Menu
Menu
Your Cart

50mm Rockwool RWA45 Slab (Prorox SL920) - pack of 9

50mm Rockwool RWA45 Slab (Prorox SL920) - pack of 9
Price: £43.26 (£51.91 inc VAT)
Price per m2: £6.68/m2 (£8.01 inc VAT)
11 or more £39.36 (£47.23 inc VAT)
20 or more £38.71 (£46.45 inc VAT)
30 or more £37.72 (£45.26 inc VAT)
  • Product Code: A1-80
  • Delivery Time: 2 - 3 working days
  • Brand: Rockwool (Tech. support: 08712221780)
  • Model: 600mm x 1200mm - 6.48m2
  • Weight: 14.58kg
Our ratings on 24-08-2026:
Google My Business Reviews
4.8 out of 5

50mm Rockwool RWA45 Slab (Prorox SL920) - pack of 9

Width: 600mm
Length: 1200mm
Pack Quantity: 9
Density: 45kg/m3
Weight/m2: 2.25kg
Weight: 14.58kg
Thermal Conductivity: 0.035W/mK
R-Value: 1.43m2K/W
Fire Rating (Reaction to Fire): A1(Non-combustible)

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 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: RockLap 102/25mm
Delivery Time: 1 - 2 days
102mm 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..
£34.02
£40.82 inc VAT
27mm Bore 30mm Thick Rockwool RockLap Pipe Insulation 27mm Bore 30mm Thick Rockwool RockLap Pipe Insulation
Guide Price
Brand: Rockwool Model: RockLap 27/30mm
Delivery Time: 1 - 2 days
27mm 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: £12.34
£14.81 inc VAT
Brand: Rockwool Model: 1000mm x 600mm - 0.60m2
Delivery Time: 5 - 7 days
240mm 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 ..
140mm Bore 30mm Thick Rockwool RockLap Pipe Insulation 140mm Bore 30mm Thick Rockwool RockLap Pipe Insulation
Guide Price
Brand: Rockwool Model: RockLap 140/30mm
Delivery Time: 1 - 2 days
140mm 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..
Guide Price: £31.80
£38.16 inc VAT
Brand: Rockwool Model: 1200mm x 600mm - 0.72m2
Delivery Time: 2 - 3 working days
150mm Rockwool Steel Frame Slab is a semi-rigid stone wool insulation product engineered for installation between studs in light gauge steel frame wall constructions. Manufactured from volcanic rock, it offers outstanding fire resistance, thermal performance, and acoustic absorption.CHARACTERISTICSO..
100mm Rockwool RW3 Slab (Prorox SL 930) - pack of 4 100mm Rockwool RW3 Slab (Prorox SL 930) - pack of 4
Guide Price
Brand: Rockwool Model: 1200mm x 600mm - 2.88m2
Delivery Time: 1 - 5 working days
100mm Rockwool RW3 Slab (Prorox SL 930) is a semi-rigid resin bonded slab, providing great thermal, acoustic and fire resistance, designed to be used in various applications in floors, walls and roofs, including special applications in industrial buildings for insulation of ships, offshore platforms..
Guide Price: £46.08
£55.30 inc VAT
This product is listed in the following categories and systems (click to show).