Menu
Menu
Your Cart

40mm Rockwool RWA45 Slab (Prorox SL920) - pack of 12

40mm Rockwool RWA45 Slab (Prorox SL920) - pack of 12
Price: £48.86 (£58.63 inc VAT)
Price per m2: £5.66/m2 (£6.79 inc VAT)
10 or more £40.68 (£48.82 inc VAT)
20 or more £40.24 (£48.29 inc VAT)
30 or more £39.21 (£47.05 inc VAT)
  • Product Code: A1-2576
  • Delivery Time: 1-3 working days
  • Brand: Rockwool (Tech. support: 08712221780)
  • Model: 600mm x 1200mm - 8.64m2
  • Weight: 15.55kg
Our ratings on 29-07-2026:
Google My Business Reviews
4.8 out of 5

40mm Rockwool RWA45 Slab (Prorox SL920) - pack of 12

Width: 600mm
Length: 1200mm
Pack Coverage: 8.64m2
Pack Quantity: 12
Density: 45kg/m3
Weight/m2: 1.8kg
Weight: 15.55kg
Thermal Conductivity: 0.035W/mK
R-Value: 1.14m2K/W
Fire Rating (Reaction to Fire): A1(Non-combustible)

40mm 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.
50mm Rockwool Full Fill Cavity Insulation Batt (pack of 12) 50mm Rockwool Full Fill Cavity Insulation Batt (pack of 12)
Guide Price
Brand: Rockwool Model: 1200mm x 455mm - 6.55m2
Delivery Time: 3 - 5 days
50mm Rockwool Full Fill Cavity Batt are high-performance insulation products designed to fit snugly within the cavities of walls, providing excellent thermal and acoustic insulation. Made from natural volcanic rock, these batts are non-combustible and offer superior fire resistance, making them a sa..
Guide Price: £59.33
£71.20 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..
50mm Rockwool RW5 Universal Insulation Slab (Prorox SL960) - pack of 4 50mm Rockwool RW5 Universal Insulation Slab (Prorox SL960) - pack of 4
Guide Price
Brand: Rockwool Model: 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: £51.26
£61.51 inc VAT
Brand: Rockwool Model: RockLap 169/40mm
Delivery Time: 1 - 2 days
169mm 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..
£42.09
£50.51 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 ..
100mm Rockwool RollBatt Loft Insulation - Pre-cut 3 x 400mm - 4800mm length
Guide Price
Brand: Rockwool Model: 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: £71.92
£86.30 inc VAT

Rate this product

Please login or register to review
This product is listed in the following categories and systems (click to show).