Knauf Ceilings Topiq Alpha 15 Tegular24/90 Acoustic Ceiling Tile – 600x600mm (White)
Product Code: JCS-KCTA2490
Manufacturer Code: 860795
The Knauf Ceilings Topiq Alpha 15 Tegular24/90 is the high-performance acoustic tile from Knauf’s updated Topiq range — now featuring a 24mm exposed **Tegular edge detail** for a rebated finish below the ceiling grid. It offers excellent **Class A sound absorption**, 100% RH resistance, and cleanroom compliance, making it ideal for modern commercial interiors.
This 600x600mm mineral tile is finished in fleece-laminated white, achieves A1 fire classification, and is fully compatible with **24mm exposed grid systems**.
Key Features
- Class A sound absorption (αw = 0.95, NRC = 0.90)
- Fire Rated: Euroclass A1 / ASTM E84 Class A
- Sound attenuation: 24 dB (Dn,f,w)
- Compatible with all 24mm exposed grid systems
- Cleanroom ISO 5 compliant
- 100% RH humidity resistance
Fast Delivery Available
This tile is a stocked item and can be delivered as soon as next working day across most of the UK. For urgent delivery or bulk orders, email orders@judge-ceilings.co.uk.
Trade Customers
Open a Trade Account for volume pricing and project support.
Download Product Data Sheet
Need full technical details, test data, and installation guidance? Download the official PDF data sheet for the Knauf Topiq Alpha ceiling tile here:
Download Data Sheet (PDF)Frequently Asked Questions
What is the sound absorption rating?
The Knauf Topiq Alpha Tegular tile offers Class A sound absorption with αw 0.95 and NRC 0.90. Ideal for acoustically sensitive environments.
What is the fire rating?
The tile is certified Euroclass A1 and ASTM E84 Class A — meeting strict fire safety regulations.
What grid system is this tile compatible with?
The 15 Tegular24/90 edge is designed for **24mm exposed grid systems**, creating a shadow-gap appearance below the grid.
Can I get next-day delivery?
Yes – we hold this item in stock and can deliver next working day across most areas. Email us to arrange.
| Technical Data | |
| Size | 595mm x 595mm |
| Edge Detail | Tegular Edge |
| Thickness | 15mm |
| Box Quantity | 14 tiles per box |
| Box Coverage | 5.04m² |
| Light Reflectancy | 86% |
| Sound Absorption | EN ISO 354 αw = 0.95 as per EN ISO 11654 - Class A |
| Sound Attenuation | EN ISO 10848-2 Dn,f,w = 24 dB as per EN ISO 717-1 CAC = 25 dB as per ASTM E 413-10 |
| Humidity Resistance | Up to 100% RH |
| Clean Room Classification | ISO 5 |
| Suitable Applications | Kitchens, Hallways, Offices, Changing Rooms |
-
£78.55
Exc. VAT -
£65.46
Exc. VAT - 10 or more £73.15 £60.96
- 20 or more £70.10 £58.42
- 40 or more £68.44 £57.03
- Brand: Knauf Ceiling Solutions
- Product Code:JCS-KCTA2490
- Availability: In Stock
Information Hub
Knauf Topiq Alpha: The Replacement for AMF Topiq Prime Tiles
Safety and Regulations for Ceiling Tiles: Expert Guide
Delivery Estimator
Enter your postcode and choose your delivery speed to get an estimated arrival window.
*Availability varies by product, courier capacity, stock location & cut-off times. All delivery estimates are non-guaranteed.
Visit our Ceiling Tile & System Datasheet Library to download official datasheets for ceiling tiles, grids, and fixings from leading brands like Zentia, Rockfon, Knauf, and OWA.
We supply suspended ceilings, insulation and lighting solutions to major UK organisations, contractors, and commercial projects nationwide.
Explore our core ranges: Ceiling Tiles | Ceiling Grids | Ceiling Insulation | Ceiling Lighting | MF Ceilings | Drylining
Trusted by Professionals Nationwide
Rated 5 Stars on Google by installers, contractors, and facilities managers across the UK. Supplying ceiling tiles, grids, and MF ceilings since 1974.
★ View Our Google Reviews