Re: [ATM] start...tool....

["Thomas Janstrom" <thomas@moiler.com>]

Richard,

The 50/50 mix will penetrate about 1/4" into the plaster, it will
toughen it a bit, not much but as water proofing it works great, just
have to remember that if you scratch the varnished area deeply you
should re-varnish it, although I haven't found this (a deep scratch in
the tool) to cause me any problems if I don't re-varnish, but then again
I don't use a huge amount of water when I work, a few drops here and
there as needed, and a though rinse between grits with a days drying
seems to work for me.

The real reason for my stingy use of water is that where I live we are
not on a reticulated water supply, we depend on collected rain water (we
have about 11,000 imperial gallons in storage) for the house potable
supply, but my use isn't really "approved" of by the everyone here, so I
use as little as I can get away with;)

For fine grinding (600 grit to 5 microns) and polishing I used distilled
water that I buy from the local supermarket, about 4L per grit,
polishing it's 2L per session as needed....

Well enough for now.

Thomas.

-----Original Message-----
From: Richard Ozer [mailto:rozer@pacbell.net] 
Sent: Tuesday, 11 April 2006 9:29 AM
To: thomas@moiler.com; 'Saqib Sajjad'; atm@atmlist.net
Subject: Re: [ATM] start...tool....


That's an interesting recipe... I'll have to try that; epoxy is such a 
hassle to work with.

RO

----- Original Message ----- 
From: "Thomas Janstrom" <thomas@moiler.com>
To: "'Saqib Sajjad'" <saqibsajjad@yahoo.com>; <atm@atmlist.net>
Sent: Monday, April 10, 2006 4:18 PM
Subject: Re: [ATM] start...tool....


> Saqib,
>
> Plaster of Paris will work very well it is rather cost efficient, and 
> you don't need to coat it with epoxy, varnish will do. The way I make 
> a tile tool is to take the blank lightly oil the surface place the 
> tile onto it, build a dam around the blanks edge (foil or masking tape

> both work well) now you fill the dammed area with PoP that is a little

> on the runny side, vibrate to get as much air out and then leave to 
> set on a level surface. When set, let it cure/dry out for a week or so

> and then varnish twice with a 50/50 mix of varnise and turpentine. 
> After this one or two coats of undiluted varnish will make the tool 
> ready for use.
>
> Between grits to keep any stray grit from doing damage use aerosol 
> spray varnish to re-seal the tool's working face, just one generous 
> coating will do for this.
>
> Just remember if you are hogging with a tile tool you might have to 
> make a second tool for fine grinding, just so you don't wear through 
> the tiles, which is a bad thing!
>
> Enjoy the project.
>
> Cheers, Thomas in Australia.
>
> -----Original Message-----
> From: atm-bounces@atmlist.net [mailto:atm-bounces@atmlist.net] On 
> Behalf Of Saqib Sajjad
> Sent: Sunday, 9 April 2006 11:06 PM
> To: atm@atmlist.net
> Subject: [ATM] start...tool....
>
>
> Hi,
>
>
>
> mahmood gave me my share of care package items today. my thanks to atm

> list participants who donated items for the care package. i have 
> started reading the books. i will start grinding from next week after 
> making the tool. as i dont have a mentor so i will need guidance from 
> everyone on the list.
>
> first...i am thinking of making the tool with plaster of paris. is it 
> ok? is there any better choice? any suggestions?
>
> Saqib
>
>
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