My preferred waterstones' flattening method

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Forum topic by ChuckM posted 04-10-2012 10:22 PM 1299 views 0 times favorited 3 replies Add to Favorites Watch
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554 posts in 2755 days

04-10-2012 10:22 PM

Topic tags/keywords: waterstones flattening

I have tried the Lee Valley lapping system (,43072,43071 ) and also used diamond stones or wet-dry sanding papers to fatten my waterstones and they all worked reasonably well.

But my standard flattening system is now the use of a 3/8” to 1/2” thick glass and drywall sand screens ( for example). I use 150 grit or 220 grit screens unless I have a deep gouge to flatten.

I prefer this method because:

a) It’s faster and cheaper than wet-dry sandpapers (cleaning up the screens for reuse is easy).

b) It’s less messy than using the silicon carbide.

Try it and you’ll like it.

-- The time I enjoy wasting is not time wasted

3 replies so far

View ShipWreck's profile


553 posts in 2841 days

#1 posted 04-10-2012 10:48 PM

Chuck….. I had a good chuckle when I saw this post. My wife and I have probably 2000 drywall screens stored in a couple of bins and I would have never given it a thought. She has been a finisher for the past 25 years.

Thanks pards…..... I’ll give it a shot!

View Goodsh's profile


56 posts in 1008 days

#2 posted 07-06-2013 02:51 AM

Chuck, I just gave this a try and it worked great! Way better and easier than sandpaper. And cheaper. Thanks for the idea!!

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2139 posts in 1280 days

#3 posted 07-06-2013 03:19 AM

That’s a great idea!

-- Justin - the tugboat woodworker - "....put that handsaw to work and make it earn its keep. - summerfi"

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