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Author Topic: Siginficant noise reduction for 4 shop vacs (under $25 Cdn) - Festool comparable  (Read 1879 times)

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Offline ChuckS

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Siginficant noise reduction for 4 shop vacs (under $25 Cdn) - Festool comparable
« on: March 09, 2022, 01:12 PM »
Noise improvements after using fibreglass insulation material: https://www.homedepot.ca/product/owens-corning-r-12-ecotouch-pink-pak-plus-pink-fiberglas-insulation-15-inch-x-32-feet-x-3-5-inch-40-sq-ft-/1000789365

Shop vac Ridgid from 70dB to 63 dB (over 80dB box door open, or over 90dB if unboxed)
Shop vac for drill press, etc. from 90dB to 75dB
Shop vac for Kapex - lowered to 75dB

I still have material left to do the shop vac for the SawStop (overarm dust collection) later.

The CT15 I use for the Domino Joiner & sanders is said to be rated at 62 - 72dB.
« Last Edit: March 09, 2022, 02:00 PM by ChuckS »
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Offline mino

  • Posts: 1281
Re: Siginficant noise reduction for 4 shop vacs (under $25 Cdn) - Festool comparable
« Reply #1 on: March 09, 2022, 02:21 PM »
Just be carefull with the fiberglass. I would never consider it in the interior. Nasty stuff.

Recycled-cloth-style sheets would be my choice.
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The Machine has no brains. Use Yours!

Offline ChuckS

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Re: Siginficant noise reduction for 4 shop vacs (under $25 Cdn) - Festool comparable
« Reply #2 on: March 09, 2022, 02:32 PM »
As seen in the images, the insulation material stays undisturbed after it is applied to the shop vac, avoiding the risk of any tiny fibers and particles being released into the air.
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Offline Steve1

  • Posts: 246
Re: Siginficant noise reduction for 4 shop vacs (under $25 Cdn) - Festool comparable
« Reply #3 on: March 10, 2022, 07:55 AM »
The Festool vacs are expensive, but one of my better investments just the same.

With my old Shop Vac brand vacuum, I refused to even turn it on without first putting on hearing protection.
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Offline ChuckS

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Re: Siginficant noise reduction for 4 shop vacs (under $25 Cdn) - Festool comparable
« Reply #4 on: March 10, 2022, 10:33 AM »
The Festool CT15 (and previously a CT26) I have is good in noise level, but I still always wear ear protection whenever it's used with another machine. Noise level per se hence wasn't the key reason I wanted a CT, it's its HEPA filter that I need.
« Last Edit: March 10, 2022, 10:35 AM by ChuckS »
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Offline cubevandude

  • Posts: 116
Re: Siginficant noise reduction for 4 shop vacs (under $25 Cdn) - Festool comparable
« Reply #5 on: September 02, 2022, 09:02 PM »
I'd be very curious to see temperature reading of the motors as you have covered up the cooling features of the vac motors.
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Offline ChuckS

  • Posts: 4246
Re: Siginficant noise reduction for 4 shop vacs (under $25 Cdn) - Festool comparable
« Reply #6 on: September 02, 2022, 09:17 PM »
Good question, and it did cross my mind at the time that whether overheating could happen.

After 6 months, all 4 insulated vacs (for SawStop, Kapex, bandsaw/oscillating sander, and drill press/stationary sander) are still performing with no noticeable side-effects. The SawStop is the most used machine (used almost in every project undertaken), followed by the Kapex and drill press/sander, both in the second place.
« Last Edit: September 02, 2022, 09:21 PM by ChuckS »
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Offline Bob D.

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Re: Siginficant noise reduction for 4 shop vacs (under $25 Cdn) - Festool comparable
« Reply #7 on: September 02, 2022, 09:25 PM »
"With my old Shop Vac brand vacuum, I refused to even turn it on without first putting on hearing protection."

I am the same with my old Craftsman vac which was made by Emerson. It is over 30 years old but won't die. I checked the brushes last year and they still have plenty of life in them. It has gobs of suction but is noisy as all get out. Can't stand to use it without earmuffs for more than 30 seconds.

But I'll drag it out when I have something too nasty for the CT-36. That Craftsman is like a Billy Goat, it will eat just about anything and ask for more. Fortunately I still have 1 HEPA and 3 dry filters for it and they are all reusable so I should have enough to last me.
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