12.5mm Knauf Sound Panel Tapered Edge Plasterboard 2400mm x 1200mm

URN: 2002044
£14.60ex. VAT £5.07 per m2
£14.60ex. VAT
£5.07 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

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Mon 13 Oct

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URN: 2002044
£14.60ex. VAT

Delivery & Returns Information

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Standard (Nationwide) Delivery

Insulation, Plasterboard and Drylining Products
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Over £350 ex. VAT FREE
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Express Delivery

Express Delivery - Insulation and Plasterboard & Drylining
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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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Key Features

  • {{volume_off}} Improves sound insulation in partitions and linings
  • {{brush}} Facilitates seamless jointing and finishing
  • {{recycling}} Fully recyclable
  • {{horizontal_split}} Can be layered for improved acoustic performance

Technical Specification

Technical Specification
Product:Sound Panel
Material Type:Gypsum
Thickness:12.5mm
Width:1200mm
Length:2400mm
Sales Unit:Sheet
Sales Unit Coverage:2.88m2
Brand:Knauf Drywall
Manufacturer's Reference:404632
Weight:28.8kg
Thermal Conductivity:0.24W/mK
Edge:Tapered
Colour:Blue

Technical Downloads

Product Overview

Acoustic plasterboard sheet, measuring 2400 × 1200mm with a 12.5mm tapered edge, for use in partitions and linings where improved sound insulation is required.

With a board density of 10kg/m², it is heavier and denser than standard plasterboard, providing enhanced acoustic performance in residential and light commercial settings. This makes it a practical choice for reducing airborne sound transfer between rooms.


The tapered edge profile creates a shallow recess at board joints, designed to accommodate tape and jointing compound. Once filled and finished, the surface becomes seamless and ready for direct decoration.

Standard dimensions reduce the number of joints required across walls and ceilings, improving installation efficiency while maintaining dependable performance in partition and lining systems.


At 12.5mm thick, the board provides dependable strength and stability for partitions and linings while helping to improve acoustic comfort within internal spaces.

 

Features & Benefits

  • Higher density core: Approx. 10kg/m² board weight reduces airborne sound transmission compared with standard wallboard.
  • Tapered edge profile: Creates a recess for tape and compound, producing a flush, smooth surface.
  • Blue paper face: Provides quick visual identification of acoustic-rated board and a durable surface for finishing.
  • Fully recyclable: Can be recovered and processed at end of life.
  • Compatible with Knauf finishes: Works with Knauf Jointing Products and Ready Mix Spray Finish for streamlined installation.
  • Made by Knauf Drywall: Backed by quality and compliance standards.
  • Standard 2400mm x 1200mm size: Fits common framing and grid systems.
  • 12.5mm thickness: Standard for drylining - basis for most stud, track, and lining specs.


Applications

  • Partitions: Enhances acoustic separation between adjoining rooms.
  • Wall linings: Improves sound insulation for masonry or framed walls.
  • Light commercial spaces: Suitable for offices and meeting rooms requiring better acoustic comfort.

Installation Guidance

  • Fix with staggered joints: Improves structural integrity and limits sound leakage paths.
  • Cut by scoring and snapping: Ensures clean edges and accurate fitting.
  • Store flat in a dry, ventilated area: Prevents warping and moisture absorption.

Compliance & Performance

  • Compliance: EN 520, Types A and D - conforms to plasterboard requirements with added density for acoustic performance.
  • Reaction to fire: Classified A2-s1, d0 - limited contribution to fire, minimal smoke production.
  • Thermal conductivity: 0.25 W/mK - contributes to system U-value calculations.
  • Sustainability: Manufactured with paper facings from recycled sources and fully recyclable at end of life.


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