On Sun, Nov 08, 2009 at 12:35:18AM -0500, David Scheidt wrote:
> I need a vacuum to suck up (cold) ashes from a wood stove. I'd very much
> like one that doesn't spew fine ash dust all over the house. Can I just fit
> a HEPA filter to a shop vac? Can you get a HEPA filter for a small shop
> vac? I know they exist for full sized ones.
Try to find some drywall bags for your shopvac in addition to a HEPA filter.
Used together, they should catch most of the fine dust but the exhaust air
might still smell like ash so you might want to try it outside first.
I do not recommend that you rely solely on a HEPA filter. The fine ash will
clog the filter almost immediately causing the motor to overheat. Many a
drywall
worker has killed a shopvac this way.
JM
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