How much to soundproof a loft conversion?

Question

How much is soundproofing likely to add to the cost of a loft conversion? How much is decent soundproofing per metre?

Craig · Answer

It does depend whether you are soundproofing from the outside weather or reducing sound travelling down to other parts of the house.
These are different things.
A guess without dimensions would be to say that you would need to double the cost of materials. The insulating boards for both the floor, ceiling and floor are made of more condensed materials.
Commonsense is such that the better quality products you use the better the soundproofing. But it is also about the joins between the materials. Preventing the sound vibrations travelling through them, where someone with knowledge is important. Hope that helps

Jason · Answer

That depends on the the total area space. You need the length X height that will give you your meter square

Andrew · Answer

Hi
It all depends on the size and timber rafters then I can provide a quote.
Many thanks Andrew Lee

Mark · Answer

It all depends on how soundproof you want it to be but I would say anywhere between £1500-£1800

Adeel · Answer

Hi,
The cost is depending on what kind of soundproof you want to do the extra cost will be around 8 to 10k if you need more help plz contact us at info.at.asdb.co.uk 
Regards,
Adi.

Mark · Answer

Somewhere in the region of £6.50 / m2 using blanket soundproof insulation
£55-60.00 using solid soundproof insulation boards (I.e. celotex)

Virgil · Answer

1. Level of Noise: Good solution for a stud wall for all household noise problems, such as TV and voices. However, the SoundBoard 3 isn't suitable for impact noise, bass sounds, music, deep voices or snoring. For these noise issues, the higher performing ReductoClip Wall System would be required.

 

Solution:  Pro-Sound™ SoundBoard 3 System (27mm thick)
Materials cost: From £32.30 + VAT per m2



2. Level of Noise: Excellent solution for all household noise problems, such as TV and voices. As above, the SoundBoard 4 isn't suitable for impact noise, bass sounds from music, snoring, or deep voices.

 

Solution: Pro-Sound™ SoundBoard 4 ™ System (30mm thick)
Materials cost: From £44.79 + VAT per m2
 



3. Level of Noise: Ideal solution for all household noise problems. Loud noises such as clear conversation, babies crying, clear TV noise and dampening of impact noise.
 

Solution: ReductoClip™ Direct to Wall System (60mm thick)
Materials cost: From £63.00 + VAT per m2

Mark · Answer

Really it shouldn’t need sound proofing with all the insulation that goes into walls and ceiling and under the floor it has rock wool with is a sound proofing as well as fire guard and insulation

How much to soundproof a loft conversion?

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