To replace matching acoustic tiles involves appreciation of two separate phenomena — sound absorption versus sound insulation — and replacing like-for-like so the space performs as designed. A tile that fits the grid but is different in acoustic performance may be said to change how a space sounds, effectively reversing the original acoustic intent. This document outlines the two acoustic properties, their relevance, and how to keep them in equilibrium when replacing tiles.
Ceiling tile acoustics are frequently referred to as a single entity, yet in fact, there are two separate properties, and tiles are rated individually for each:
A tile can be great at one property and average at another so matching requires knowing which property is key for the room.
Different environments have different needs. For example, what an open-plan office or a classroom needs is absorption to manage reverberation and safeguard clarity of speech, a meeting room or consulting room should include insulation In order for conversations to not be overheard in other rooms, if you change a highly absorbing tile to a plain reflective one, the noise levels in an open office will increase; if you change an insulating tile to a thinner absorbing one, the confidentiality of a meeting room will be compromised. Keeping balance with the appropriate property maintains the function of the room.
RCT’s range covers the acoustic spectrum: Ecophon Advantage (glass wool) and Rockfon Artic (stone wool) is the specialized acoustic absorber that outperforms standard tiles; mineral fibre tiles from. Zentia and Knauf AMF provide balanced absorption for general commercial areas. If your existing ceiling is a high absorption acoustic tile, you should match it with a glass wool or stone wool equivalent instead of dropping to a basic tile; if your existing ceiling is a standard mineral fibre ceiling tile, then a like-for-like mineral fibre tile keeps it consistent.
With respect to meeting spaces that comprise a specific acoustic target, whether that be a school meeting room, office with reverberation specification, or healthcare consultancy room, replacements should be verified to the original acoustic specification rather than visually compared. Where there has been a change to an exact product, request the current equivalent and confirm the acoustics class from the data sheet. If absorption and insulation are important, then consider the complete ceiling and partition build-up, as the tile is only one component.
What is the difference between sound absorption and insulation in ceiling tiles?
Absorption refers to the amount of sound a tile absorbs to lessen reverberation in a room; insulation (attenuation) refers to the degree to which it impedes sound from passing through the ceiling void between rooms. Tiles are rated for these separately.
Will any tile that fits maintain the acoustics in my room?
No. A tile can fit into the grid and have very different acoustic performances. Replacing a highly absorptive tile with a reflective one will make an open plan space more noisy; ensure acoustic ratings match, not just the size and edge.
Can you give me an idea on how to replace acoustic tiles and even out the new ones with the old ones?
Find the product and acoustic ratings and then find like-for-like or equivalent with similar absorption and insulation values. Look at the data sheet and for insulation keep in mind it is dependent on the entire ceiling build-up.
Which RCT tiles provide the best absorption of sound?
Rockfon Artic (stone wool) and Ecophon Advantage (glass wool) are the specific acoustic absorbers; while Knauf AMF and Zentia mineral fibre tiles provide general absorption for typical commercial areas.
Find acoustic tiles to match across our Ecophon, Rockfon, Zentia and Knauf AMF ranges.
To match the acoustics of an existing ceiling, please give us a call. 01939 251 450 with your title details for the right equivalent, or request a quote with datasheets.
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