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Forum topic by woodsy11 posted 11-04-2011 10:55 AM 848 views 0 times favorited 5 replies Add to Favorites Watch
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5 posts in 1862 days

11-04-2011 10:55 AM

G’Day Folks

I’m in the process of trying to establish a workshop, i am converting a 2 car garage space. It has brick walls tin roof and bifold floor to ceiling metal door, which spans the double car width.
I have done some research and sort some opinions on this and other forums,
about stopping the noise the machinery will generate escaping.
The consensus of opinion so far, has been that due to the brick walls and the fact they are “cut into” a hill, and therefore surrounded on 2 sides by fill ( upto half there height off the floor) that most of the noise will be generated through the metal front door and and metal roof.
For this reason i will be building a wooden frame, floor to ceiling doors (soundproofed) internal to the existing doors. The door problem should be eliminated.
However the roof is a bit more tricky, i can apply (double) thickness gyprock sheeting with insulation (thermal and acoustic) between the roof joists. But the other problem the roof presents is that it makes the shop very dark. I was hoping to overcome that problem with skylights, 2 to be exact.
Of course they then recreate the original soundproofing problem. ( back to square one).
So finally, the question….....Can the skylights be fitted with internal shutters, that is internal to the roofline , that might be powered and remotely operated. That will allow natural light and also have some dampening effect on machinery noise???
Sorry for being so long winded, i needed to paint as complete a picture as possible. Any opinions, ideas would be appreciated.

Thanks ‘The Woodsman’

-- Woodsy11,Victoria, AUSTRALIA,

5 replies so far

View CodyJames's profile


78 posts in 1829 days

#1 posted 11-04-2011 02:09 PM

Ok, they make these new “skylights” now that use fibre optics.

I do not know ANYTHING about them, I saw them and thought they were cool, I do not know how far along the technology is or how cheap or expensive these systems are. I am only providing the info, cause I saw them and saw your post.
Hope it helps!

View MNgary's profile


294 posts in 1840 days

#2 posted 11-07-2011 01:04 AM

I would check into building my own skylights using “soundproof” glass like that used in office buildings adjacent airports.

-- I dream of the world where a duck can cross the road and no one asks why.

View jeth's profile


249 posts in 2261 days

#3 posted 11-07-2011 01:23 AM

I once had use of a building with a tin roof, every 3rd sheet was clear acrylic to allow sunlight to enter. I ended up converting the space for living and a part time rehearsal and recording space so we insulated as best as we could for both sound and heat. I framed & double plasterboardeda ceiling and stuffed with rockwool, but didn’t want to lose the sunlight. I found some wood framed windows in a skip, carried them home one by one and used them as the inner skylights below the acrylic roof sheets. They were well sealed iand suspended on foam “gaskets” into their spaces inthe ceiling framework. This arrangement worked well for the low investment.

A suspended ceiling would be the best option for soundproofing the tin roof anyway, acoustic tiles and rockwool could be pretty effective. You could build in a similar doublke skylight idea for natural daylight to enter.

View Dark_Lightning's profile


2620 posts in 2532 days

#4 posted 11-07-2011 02:45 AM

Well, you can use multiple sheets of glass like is done with dual pane windows…without the reflective coating. The reflective coating darkens the outside view. I live about 100 yards from a train track. I can barely hear the low-frequency sound in my living room when the windows are closed. It’s louder in my back bathroom, 40 feet from the front windows, because I can hear it through the vent! Use one sheet 1/4” thick and then one 1/8” thick. Mine are both 1/8” thick. Check with your local glaziers, I’ll bet they can give you a well-lit, quiet solution.

Barring that, if you are using a fairly lengthy entry distance, you can baffle the sides (with something light-colored).

-- Random Orbital Nailer

View buckles's profile


24 posts in 1965 days

#5 posted 11-21-2011 05:24 AM

If you want to greatly reduce the noise level and reduce the heating and cooling of the shop at the same time, have the under side of the roof and the void between the exterior wall and the inside finish wall sprayed with open cell foam.
If you want light then install light pipes from the roof all the way through the ceiling.

-- Politicians are like diapers. They need to be changed for the same reasons.

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