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Soundproof Acoustic Plasterboard

One of the main reasons for the enduring popularity of plasterboard is that it can have many added properties just by changing the composition of the materials in the manufacturing process slightly. Soundproof plasterboard, sometimes called acoustic plasterboards, or noise reducing plasterboard, is one such variant and it reduces the ability of sound energy to travel between rooms. This makes it a very popular building material for hotels and hospitals etc where many people are sleeping and need peace in order to do so. As a leading supplier of the best acoustic plasterboard, you can shop on our website for the best soundproof plasterboard price.

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What is Soundproof Acoustic Plasterboard?

Soundproof acoustic plasterboard goes through a special process that is different from the manufacture of standard plasterboard, where the core of the board has a much higher density core than standard plasterboard. This means that noise pollution struggles to travel through it and allows for a noise reduction of between 30-50 decibels.

Acoustic plasterboard manufacturers tend to use layers of dense soundproof foam, fibreglass, or mass loaded vinyl. You can add mass loaded vinyl between two layers of plasterboard for a soundproofing project as it's simple, but costly. The more mass, the more effective the sound blocking.

How thick is soundproof plasterboard?

Acoustic plasterboard comes in exactly the same thicknesses as normal plasterboard so can be used alongside it without a problem. The core is denser, rather than thicker, thus preventing sound from travelling through it to the same extent as normal gypsum plasterboard. Soundproof acoustic plasterboard comes in thicknesses of 12.5mm and 15mm, with a consistent size of 2400mm x 1200mm across all thicknesses. They have some thermal conductivity and thermal resistance depending on the brand and thickness.

Does soundproof plasterboard work?

Sound block plasterboard can markedly reduce the noise levels that penetrate the walls of a room, in either direction. It can make a real difference to the quality of life in houses of multiple occupation, student accommodation, hostels and hotels where there is likely to be the sound transfer of a lot of noise, such as snoring or noisy neighbours.

Sound proofing plasterboard reduces noise markedly, by up to 50 decibels and enhances sound insulation. It won't completely sound proof but the noise permeation will be drastically reduced, so a 100 decibel noise like a lawnmower, leaf blower or jackhammer would be reduce the noise transfer in volume to around that of a quiet conversation, office background noise or refrigerator. That is a significant reduction and it therefore says a lot for the acoustic properties of plasterboard that it can be reduced so far. 

Is soundproof plasterboard fireproof?

Acoustic plasterboard is not fire rated and this means that a fire could spread through the building far more easily than if its progress had been impeded by fire rated plasterboard. It is often the case that junction boxes and rooms with electrical equipment are constructed using fire resistant plasterboard as this allows the spread of the fire to be contained for a period of time to allow safe evacuation or action to extinguish the fire. 

Frequently Asked Questions about Soundproof Plasterboard

Can you paint soundproof plasterboard?

Yes, paint can either be applied directly to the acoustic plasterboard or it can be plastered and then painted. Intumescent fire rated paint can also be applied as this will add a measure of fire resistance that would otherwise not be there.

Where to use acoustic plasterboard?

There are several places where using acoustic plasterboard makes a lot of sense. One of the main places is the bedroom, as this is where people want to eliminate as much external noise as possible in order to get to sleep. It is also where they will not want airborne sounds to escape from due to privacy and snoring sounds etc, so sound deadening plasterboard makes a lot of sense in this context.

Soundproof tapered edge plasterboard can also be used for ceilings in order to reduce noise from above. This can be handy when in flats with upstairs neighbours who may be quite heavy-footed or who may not have much floor insulation in their rooms, leading to every noise becoming an aggravation.

Sound absorbing plasterboard is a very popular option in places where there are many bedrooms such as hotels, hostels and halls of residence for students, as the noises are dampened and this allows everyone to get more and better sleep than they otherwise might without the sound plasterboard being in place.

Acoustic Plasterboard vs Standard Plasterboard

Acoustic plasterboard is denser than normal plasterboard. It is also blue in colour. This is because of the properties infused into the gypsum during the manufacturing process, and the colour of the paper strip used to differentiate it from other types of plasterboard which have different properties. Moisture resistant plasterboard for example has a green colour and fire rated plasterboard has a pink tinge.

Soundproof plasterboard is exactly the same tapered edge and thickness as normal plasterboard, despite the extra density, so the plasterboards can be mixed and matched interchangeably, depending on what your requirements are for the area that you are working on.

How do I fit acoustic plasterboard?

Acoustic plasterboard can be installed in exactly the same way as normal plasterboard, by using adhesives or screws. Hammering will likely damage the structural integrity of the boards, so that is not an option. Remember to always hang plasterboard with the grain running horizontally in order to maintain its strength and durability.

It’s very important to measure and mark the wall lining where the stud wall is behind the panels so that it is easier to affix the boards both flush and securely to the structure of the building. From there it is simply a case of positioning the boards as required and driving in the screws needed to keep the boards in place.

What is the price of soundproof plasterboard?

Soundboard plasterboard ranges in price depending on the dimensions and the manufacturer. It is generally marginally cheaper than fire rated plasterboard but this does depend on the size.

Here at Materials Market, we offer competitive prices on big name brands such as Knauf Tapered Edge Gypsum Plasterboard, and Gyproc Tapered Edge Gypsum Plasterboard. Even though acoustic plasterboard costs more than normal plasterboard, it is worth buying if you are concerned about noise levels from neighbours or would just like the peace of mind that comes from knowing you will be able to sleep quietly.