New workshop - sound proofing

[homersimpson]

So having finally moved house I now have a new garage/workshop.

Its a lot smaller than the old one but still a decent size but the area we have moved to is a lot quieter than where we were before and the people around here don't (I would say anyway) do much work themselves so probably aren't going to appreciate the noise of me restoring old cars.

To that end I want to try and do something to improve the garage to sound proof it a bit and also make it a bit warmer.

I need to get some pictures but in summary its  attached to the house, has single brick walls with strengthening pillars in a couple of places and has trusses with a tiled roof.

The doors are typical up and over type.

Has anyone had any success soundproofing a garage and if so what did you use?

I'm thinking of sound bloc plaster board on the ceiling with rock wool above and possibly building some stud partitions slightly inside the walls and filling them with some form of solid board insulation with sound block over them.  Then some form of solid insulation fixed to the garage doors.

Any thoughts?

[henspeed]

Work between 7am and 9pm and tell the neighbours to gtf
I’m not the best at diplomacy

[homersimpson]

Mar 6, 2021 19:58:42 GMT henspeed said:

Work between 7am and 9pm and tell the neighbours to gtf
I’m not the best at diplomacy

Well yes I could try that but given that I'm new to the area and expect to be here for 20 years or so I don't really want to make any waves.

I've had issues with neighbours at the last two places I have lived and neighbour disputes are unpleasant, one was about the noise I was making which in fairness was at times a bit much as I was working outside, the other was because of the neighbours criminal activities.

[kevins]

The best way is to build a stud wall and suspended ceiling not in contact with the existing walls cover them with something heavy like noise absorbing plasterboard and fill the cavity between the walls with rockwool. Also important to close up all gaps, noise will travel easily through any air gaps around doors etc.

[51rider]

^^ This!
I used to work at a music university and limiting sound travel was rife order of the day as you can imagine. The white book by British Gypsum is the bible for specialist applications section C9 if I recall correctly is the one relating to sound absorption. It is very important to acoustically isolate the stud framework from itself with rubber as if not done so the sound waves can pass through. Bonding it together is preferable as screws create focal points for sound believe it or not.
Lots of info available on the web but one thing to note is that you will not make it sound proof you will just reduce the level of transmission.
Be prepared to lose space. Typically, when building a rehearsal room or practice space the sound absorbing walls have a gap of some 210 mm between them.
You might want to investigate acoustic rubber sheeting. One of the lecturers used this to great effect to line the space in his home that he was converting into a studio.

[joem83]

I have this stuff in my house, under all internal walls that are dot dabbed, whilst that's less than ideal this house is so much quieter than our last one.

I've never plastered or put anything like this on before and managed to do it because my plasterer cancelled the day before he should have started (used approximately 20 bags)

www.british-gypsum.com/products/gyproc-soundcoat-plus?tab0=0

[ballbagbagins]

www.rockwool.com/uk/products-and-applications/product-overview/trade-insulation-range/sound-insulation-slab-en-gb/?selectedCat=downloads

I used this within a stud wall i built set about 100mm off a party wall in a bedroom. The outer frame of the stud wall sat on a strip of foam to isolate it from the walls, floor and ceiling. Then then covered the stud wall with two sheets of acoustic plasterboard.

I used this product between the layers of plasterboard

soundproofliving.com/green-glue-soundproofing/

[bstardchild]

I have plaster boarded the ceiling Insulated the void with rockwell and then boarded out the loft area for storage

The door and windows in the back are double glazed

The up and over door I replaced with a roller shutter door (insulated slats) I think that was very effective in reducing noise compared to the old single skin up and over.

The compressor is boxed in under the work bench

I have a 10pm curfew on noise (10 am start on weekends)