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Box Tiles Emerald is a wall-mounted acoustic tile from Zintra, available in large-format rectangular and square profiles with a 102mm depth. It reduces reverberation in commercial, hospitality, and institutional interiors while adding three-dimensional relief to vertical surfaces.
Specifications
- Material: 100% solution-dyed (colour-through) polyester, 12mm panel
- Panel density: 2.4 kg/m2
- Depth: 102mm (4 inches) for all Emerald sizes
- Size range: 9 sizes from 203 x 203mm up to 813 x 2438mm
- Set coverage: 1.25 m2 to 1.98 m2 per set depending on size selected
- NRC (directly mounted): up to 1.15
- Alpha-w (directly mounted): up to 1.00
- Recycled content: 60% post-consumer (PET bottles), 35% pre-consumer (PET chips), 5% polylactic acid (PLA)
- Fire rating: ASTM E84 Class A; AS ISO 9705-2003 Group 1; EN 13501 B-s2-d0
- Supply format: shipped flat-packed as a set of individual tiles, assembly required
Applications
Suited to offices, auditoriums, boardrooms, hotel lobbies, and retail environments where a large-format, deeply profiled wall feature is required. The Emerald format covers more wall area per set than standard Box Tile variants, reducing installation time over large surfaces. Not suitable as a free-standing product.
Standards and compliance
ASTM E84 Class A flame-spread classification; AS ISO 9705-2003 Group 1 fire classification; EN 13501 B-s2-d0 reaction-to-fire classification.
Frequently asked questions
What makes the Emerald format different from other Box Tile designs?
The Emerald is a large-format, deep-profile tile with a 102mm depth. It is available in 9 sizes ranging from 203 x 203mm up to 813 x 2438mm, offering greater wall coverage per set than smaller Box Tile variants.
Can the tiles be cleaned?
Yes. Vacuum to remove dust, then dab with a damp cloth and a mild liquid detergent solution. For difficult stains, a 10% bleach solution can be used, followed by a clean water wipe and pat-dry with a lint-free cloth.
Is the colour consistent throughout the tile thickness?
Yes. The polyester is solution-dyed, meaning the colour runs through the full thickness of the panel, so cuts or surface wear do not reveal a different-coloured core.
Click here to download the Data Sheet
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
What is your return policy?
All refunds and returns are determined by the manufacturer's terms of sale. Change-of-mind refunds are not accepted, but all valid warranty claims will be managed by AKA Acoustics in compliance with consumer law.
How long will it take to receive my order?
Freight lead times will be provided upon order confirmation. Standard items typically ship within 4–6 weeks, while custom orders may take 6–12 weeks.
Is my payment information secure?
Yes, all payments are securely processed through Stripe and are protected under their Terms of Service. AKA Acoustics do not store any payment information ourselves.
How are freight costs calculated?
Freight costs are determined at the time of quotation to ensure accurate pricing based on your specific order. For any questions, please email sales@akaacoustics.com
How can I contact support?
For account inquiries, email accounts@akaacoustics.com. For order support, email sales@akaacoustics.com.

