100mm Rockwool RW5 Acoustic Sound Insulation Slab (1.44m2/Pack)

URN: 3002244

Thickness

25mm 30mm 40mm 50mm 60mm 70mm 75mm 90mm 100mm 140mm
£35.09ex. VAT £24.37 per m2
£35.09ex. VAT
£24.37 per m2
Coverage required
m
m
Based on your total area of m2 (inc. 10% wastage) - of these are required (actual coverage of m2)

We recommend purchasing at least 10% extra product to allow for errors, damages or obstacles

100mm Rockwool RW5 Acoustic Sound Insulation Slab reduces sound transmission between internal walls, floors, and ceilings.

Thickness

25mm 30mm 40mm 50mm 60mm 70mm 75mm 90mm 100mm 140mm

Nationwide Delivery

Fri 25 Jul

Order by 2pm today
  • 7hrs
  • 47mins
  • 30secs

Delivery & Returns Info

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Product Overview

100mm Rockwool RW5 Acoustic Sound Insulation Slab reduces sound transmission between internal walls, floors, and ceilings.

URN: 3002244
£35.09ex. VAT

Delivery & Returns Information

How Our Delivery Works

We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.

Delivery Areas & Charges

Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, KW, IV, LA, LD, LL, NP, PH, SA, SY
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.

Standard (Nationwide) Delivery

Insulation, Plasterboard and Drylining Products
ORDER VALUE DELIVERY CHARGE
Under £150 £50 ex. VAT
Between £150 - £400 ex. VAT £35 ex. VAT
Over £400 ex. VAT FREE
Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
ORDER VALUE DELIVERY CHARGE
Under £100 £20 ex. VAT
Between £100 - £250 ex. VAT £15 ex. VAT
Over £250 ex. VAT FREE
SuperFOIL and YBS products
ORDER VALUE DELIVERY CHARGE
Each item £10 ex. VAT
Over £350 ex. VAT of 1 brand FREE
Screws & Fixings and Adhesives & Sealants
ORDER VALUE DELIVERY CHARGE
Under £100 £7.50 ex. VAT
Over £100 ex. VAT FREE

Express Delivery

Express Delivery - Insulation and Plasterboard & Drylining
ORDER VALUE DELIVERY CHARGE
Under £400 £50 ex. VAT
Over £400 ex. VAT £35 ex. VAT
Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
ORDER VALUE DELIVERY CHARGE
Under £300 £50 ex. VAT
Over £300 ex. VAT £35 ex. VAT

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Returns

We offer a 30 day returns policy on any faulty products.

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Key Features

  • {{home}} Use in ceilings, walls and floors
  • {{local_fire_department}} A1 non-combustible
  • {{density_medium}} 100kg/m3 density
  • {{volume_off}} Excellent acoustic and thermal performance
  • {{build}} 600mm width to fit between studwork
  • {{public}} Zero Ozone Depletion Potential (ODP)

Technical Specification

Technical Specification
Product:RW5
Material Type:Rock Mineral
Thickness:100mm
Width:600mm
Length:1200mm
Pieces Per Pack:2
Sales Unit:Pack
Sales Unit Coverage:1.44m2
Brand:Rockwool
Manufacturer's Reference:181200
Thermal Conductivity:0.034W/mK
Density:100kg/m3
Fire Rating:A1 Non-Combustible

What Is 100mm Rockwool RW5?

100mm Rockwool RW5 Acoustic Insulation Slab is a robust insulation solution designed to deliver superior thermal, acoustic, and fire insulation performance across a wide range of building applications. With a thermal conductivity of 0.034 W/mK and a high-density composition of 100kg/m³, RW5 offers exceptional thermal and acoustic performance, making it an ideal choice for both residential and commercial buildings.


Aside from its acoustic and thermal performance, 100mm Rockwool RW5 provides outstanding fire performance. Classified as Euroclass A1, it is non-combustible, offering critical protection against fire spread. This makes it an essential material for meeting stringent building regulations related to fire protection, particularly in high-risk or high-occupancy construction projects.


The resin-bonded slabs also boast water-repellent and rot-resistant qualities, ensuring their long-term durability in various environmental conditions. Each slab measures 1200mm x 600mm and covers 1.44m² per pack. 

Where Are 100mm Rockwool RW5 Insulation Slabs Used? 

  • Interior timber or steel partition walls
  • Interior timber frame floors
  • Interior timber frame ceilings
  • Acoustic ceilings and partition panels
  • I-joist interior partitions
  • Party walls

100mm Rockwool RW5 Insulation Slabs Benefits

  • Superior fire, acoustic, and thermal insulation.
  • Euroclass A1 non-combustible classification for optimal fire resistance.
  • Thermal conductivity of 0.034 W/mK helps to improve energy efficiency.
  • Durable insulation solution - rot-resistant and water-repellent qualities for long-term durability.
  • Ideal for partition walls, floors, ceilings, and external walls.
  • Suitable for use in residential and industrial buildings. 
  • Manufactured from sustainable, recyclable insulation materials.

Customer Reviews

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5/5 based on 1 review

Very good service from the sales team! The RW5 is great for fire performance and has water repellent qualities as well. Will buy again for my next sound studio.

Carlos Pinata on

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