University of Michigan Coasters

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Project by MGoBlue7 posted 06-19-2012 01:10 PM 1796 views 1 time favorited 3 comments Add to Favorites Watch

These are some University of Michigan “Block M” coasters that I made for a buddy as a housewarming gift. Both he and his wife are UofM grads.

They are constructed in four pieces. The middle two pieces that make the “V” in the M were ripped to width on the table saw and then the angles were cut on the mitre saw (very, very carefully as my fingers were really close to digit reducer during this step). The “upright” pieces were ripped to width on the table saw and then contoured on the router table with an 1/8” straight bit.

The finish is about 10 coats of aerosol laquer and three coats of finishing wax. I thought this would be fairly water resistant. Water beads right up on them. Unfortunately they don’t pass the “overnight test”. I left a cup of water on one of these coasters overnight and the condensation had pretty much ruined the coaster. I should also note that I used Titebond III. Does anyone have any suggestions for how to improve the water resistance of these?

3 comments so far

View MarkTheFiddler's profile


2068 posts in 3646 days

#1 posted 06-19-2012 03:42 PM

Very Nice Detail work!

-- Thanks for all the lessons!

View KeithS's profile


13 posts in 3726 days

#2 posted 06-19-2012 04:27 PM

I really like the process you’ve used to get to the final product! I’ve always had issued with a scrollsaw, getting a final straight line that I am happy with! Drives me nuts. If you don’t mind, what width did you use for the uprights, and the middle “V” pieces?

View Bobmedic's profile


383 posts in 4259 days

#3 posted 06-19-2012 08:15 PM

I have had good luck with acrylic finishes being very water resistant. General Finishes has a Polyacrylic that works great.

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