19mm Knauf Plank Tapered Edge Acoustic Plasterboard 2400mm x 600mm
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Key Features
- {{hearing_disabled}} Reduces sound transmission
- {{layers}} Can be layered for improved acoustic performance
- {{recycling}} Fully recyclable
- {{check_circle}} Compatible with Knauf Jointing Compounds & Paper Joint Tape
Technical Specification
| URN: | 2001026 |
|---|---|
| Brand: | Knauf Drywall |
| Material Type: | Gypsum |
| Thickness: | 19mm |
| Width: | 600mm |
| Length: | 2400mm |
| Weight: | 20.3kg |
| Sales Unit: | Sheet |
| Sales Unit Coverage: | 1.44m2 |
| Edge: | Tapered |
| Manufacturer's Reference: | 81063 |
Technical Downloads
Product Overview
High-density acoustic plasterboard, measuring 19mm in thickness with a tapered edge, for reducing airborne sound transmission in separating walls and floors.
Manufactured with a dense gypsum core, Knauf plank delivers substantial mass, which is essential for improving the acoustic performance of internal systems.
As part of a multi-layer construction, it acts as a mass layer that increases sound insulation and contributes to quieter, more comfortable internal environments in residential, commercial, and public buildings.
At 19mm thick, the board provides exceptional rigidity and sound-blocking performance, significantly outperforming standard plasterboard thicknesses.
Its greater density also improves impact resistance, durability, and fire safety, making it a key component in high-performance acoustic partitions and separating floor systems.
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.
Features & Benefits
- High-density gypsum core: Adds significant mass to walls and floors, improving airborne sound reduction.
- 19mm thickness: Provides superior acoustic insulation, rigidity, and strength compared with standard boards.
- Improved impact resistance: Greater thickness increases durability in high-traffic areas.
- System integration: Functions as a core mass layer in multi-board wall and floor build-ups for enhanced performance.
- Fire performance: Classified A2-s1, d0 - limited contribution to fire and minimal smoke production.
- Thermal performance: Low thermal conductivity of 0.25 W/mK supports U-value calculations.
- Durable paper face: Provides a stable surface for direct decoration or skim plaster finishes.
- Sustainable choice: Fully recyclable at end of service life.
- Tapered edge profile: Creates a recess at joints, allowing tape and compound to produce a smooth finish ready for decoration.
Applications
- Separating walls: Improves airborne sound insulation between dwellings or internal spaces.
- Floor systems: Reduces noise transfer between storeys when used within layered floor assemblies.
- Partitions in high-traffic buildings: Adds durability and sound control in schools, offices, and hospitals.
- Multi-layer acoustic systems: Used in combination with insulation and other performance boards for maximum effect.
Installation Guidance
- Fix with staggered joints: Reduces sound leakage paths and strengthens the system.
- Cut by scoring and snapping: Ensures accurate sizing and clean edges.
- Joint treatment: Finish with Knauf Jointing Compounds and Knauf Paper Joint Tape for a smooth surface.
- Handle in pairs where possible: The increased density makes boards heavier than standard plasterboard.
- Store flat in dry, ventilated conditions: Prevents damage and protects from moisture ingress.
Compliance & Performance
- Compliance: EN 520, Type A - meets plasterboard standards for strength and durability.
- Reaction to fire: Classified A2-s1, d0 - limited contribution to fire and minimal smoke production.
- Thermal conductivity: 0.25 W/mK - contributes to U-value calculations in wall and floor systems.
- Recyclability: Fully recyclable after use, supporting sustainable construction practices.
Delivery & Returns Information
Delivery charges vary by product category and order value. Items may ship from different suppliers and arrive separately, so delivery charges can be shown per part of your order at checkout.
Standard (Nationwide) Delivery
| Insulation, Plasterboard and Drylining Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £45 ex. VAT |
| Over £400 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £90 ex. VAT |
| Over £400 ex. VAT | £55 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 |
How delivery works
We work with a nationwide network of trusted suppliers. Items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you will see delivery charges shown at checkout for each part of your order. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery areas
Delivery charges apply to mainland UK, excluding: AB, CA, CF, DD, DG, EH, EX, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, PL, SA, SY, TR, TQ and TD.
If your address is in one of these areas, we will contact you before processing your order to confirm any additional costs. We do not currently offer delivery outside the UK mainland.
What to expect on delivery day
- Deliveries are typically kerbside.
- Please ensure someone is on-site to accept delivery. For heavier items, help with offloading may be required.
- Many building materials arrive on large vehicles. If access is restricted, a specialist vehicle such as a HIAB may be required and could incur an additional charge.
Why delivery can cost more than typical parcel delivery
Building materials often travel on larger vehicles and usually carry fewer drops per run than parcel networks. That is why delivery charges can be higher than standard e-commerce shipping.
Returns
Returns depend on what you have bought and whether there is anything wrong with it. For full details on eligibility, timeframes, and exclusions, please see our full policy.
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