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Rockwool 50mm RW4 Acoustic Insulation Slab (1200mm x 600mm) 4.32m² (6 per pack)

In Stock

SKU : YBM699

Rockwool RW4 50mm Acoustic Insulation Slab (4.32m²) (6 per pack) for soundproofing, thermal insulation, and fire-resistant performance in walls, ceilings and floors. These high-density stone wool slabs reduce noise transfer and improve building energy efficiency. Perfect for residential, commercial, office and studio installations.

Lead Time: 3-5 Days

Manufacturer Model No:
RW4
Thickness:
50mm75mm100mm

From:
£41.36 Ex VAT
£49.63 Inc VAT

Description

Product Overview

ROCKWOOL RW4 50mm (1200mm × 600mm) Acoustic Insulation Slab is a high-density stone wool insulation product designed to deliver excellent acoustic absorption, reliable thermal resistance, and outstanding fire protection. It is suitable for use in walls, floors, ceilings, and roof build-ups where superior sound reduction and non-combustible performance are required. The slab is Euroclass A1 rated for fire safety and manufactured in accordance with EN 13162:2012 + A1:2015.

Key Features & Benefits

  • Thermal conductivity (λD) of 0.034 W/m·K for strong thermal performance.
  • Euroclass A1 fire rating – completely non‑combustible.
  • High acoustic absorption helps reduce airborne and impact sound transmission.
  • Suitable for internal partitions, floors, ceilings, and commercial acoustic applications.
  • 1200mm × 600mm slab format ensures easy and efficient installation.
  • Durable, water‑repellent, non‑hygroscopic and resistant to mould or rot.
  • Manufactured in accordance with EN 13162:2012 + A1:2015 compliance standards.

 

Applications / Typical Uses

  • Internal and separating partition walls where acoustic control and fire performance are required.
  • Suspended ceilings and separating floors in multi‑storey or high-occupancy buildings.
  • Roof and flat ceiling insulation requiring non‑combustible and thermally efficient materials.
  • Suitable for new-build construction and refurbishment projects across residential, industrial and commercial sectors.

 

Installation & Handling

  • Store slabs flat, dry and fully protected prior to installation.
  • Cut to size with a sharp insulation knife or fine‑tooth saw for an accurate fit.
  • Install slabs tightly‑butted to minimise gaps and maintain acoustic and thermal continuity.
  • Follow relevant building regulations and system specifications for fire, acoustic and thermal performance.
  • Handle carefully to avoid compression or surface damage during placement.

 

Compliance & Certification

  • Product standard: EN 13162:2012 + A1:2015.
  • Reaction to fire: Euroclass A1 (non‑combustible).
  • Thermal conductivity: λD = 0.034 W/m·K.

 

Pack & Coverage Information

  • Slab Dimensions: 1200mm × 600mm
  • Thickness: 50mm
  • Slabs per Pack: 6
  • Pack Coverage: 4.32m²
  • Packs per pallet: 16
  • Pallet Coverage: 69.12 m² total

Additional information

Total pack coverage

Manufacturer Model No

Single Product Coverage

Thickness

Width

Length

Brand

Application

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Material

Product Type

Facing

Features

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Fire rating

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Manufacturer's Technical Documents

 

Data Sheet

View
Installation Guide

View
Safety Guide

View

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The average delivery lead time for the majority of orders is 3-5 working days from the date of your order, however, it could extend to 7-10 working days on rare occasions. Once the order has been placed, a member of staff will then be in contact to confirm a delivery date.

The following delivery fees apply to Grey delivery area.

  • Minimum order value: £200 ex VAT
  • Orders between £200 and £600 ex VAT£55ex VAT
  • Orders over £600 ex VAT: Free delivery

 

Delivery lead times for orders outside our standard delivery may take between 7-10  working days. If you are outside our standard grey delivery area, please click on the “Save & Share Basket” button at the cart stage, select the email option and send it to sales@theyardbm.co.uk or call us on 07902 952 591. We will get back with a delivery quote to you shortly.