"Doug Winterburn" wrote in message
news:[email protected]...
On 11/09/2012 06:47 PM, Lew Hodgett wrote:
> "Rob Hanson" wrote:
>
> Okay, the saga continues, but this is where the opportunity gets to be
> fun.
>
> I've posted a few pictures of the house in question, link below. They
> show not only the doors and beams that I've been referring to, but
> also the scale of the place. The client has put the beams on hold for
> now, waiting to see what I can do to the garage doors.
>
> The underlying wood is mahogany. The wood was stained with a BenMoore
> oil-based penetrating stain which had walnut along with red and black.
> This stain has failed due to lack of maintenance. So far, all attempts
> to remove the stain with chemicals have failed. Not only that, but
> removing the stain via chemical is bound to cause issues... the house
> drains to a waterway. I was only able to get down to the wood by
> planing and sanding. (I have sample pieces in my shop.) The stuff
> underneath is beautiful... sheesh.
>
> Considering how much manpower and noxious chemicals would be taken up
> in trying to remove the stain, sand, and start anew, I'm thinking of
> proposing that the client replace the garage doors, with me doing the
> finish on them. (Currently my favorite choice is the CPES and Epifanes
> mentioned earlier in the thread.) Overall, this would be a lot less
> time and effort.
>
> Question is: If you could replace the garage doors with any readily
> available wood, what would you choose? Take a look at the pictures and
> see what you think would look best relative to the stonework on the
> house, as well as the beams staying dark as they are. I've got one
> species in mind, but would love to hear your opinions...
> ------------------------------------------
> Got a refinery someplace within reasonable distance you can call?
>
> Refineries have lots of tanks that need to be cleaned on a regular
> basis.
>
> This work is done by outside contractors.
>
> In the past, they have used both sand blasting and/or pressurized
> water.
>
> Clean up is a problem for either sand or water; however, all is not
> lost.
>
> Enter dry ice.
>
> Today a lot of tanks are cleaned using dry ice pellets under pressure
> much the same way sand is used.
>
> The pellets hit the tank wall and their low temperature helps fracture
> the crud thus helping to break it loose.
>
> The other big advantage is that no sand or water contaminates the
> tank.
>
> When the pellets warm up, they simply turn to gaseous CO2.
I agree about using dry ice.
They use dry ice sandblasting to get rid of mold etc in houses and it works quite nicely.
You may ant to try it on a hidden area like the back of a grage door etc.
See http://en.wikipedia.org/wiki/Dry-ice_blasting
Aslo search for "dry ice blasting wood"
http://www.google.com/search?q=dry+ice+blasting-wood