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Purpleheart and yellowheart checkerboard - best finish?

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Forum topic by Quoheleth posted 04-22-2013 04:54 PM 1305 views 0 times favorited 7 replies Add to Favorites Watch
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Quoheleth

21 posts in 929 days


04-22-2013 04:54 PM

I’m making a checkerboard out of purpleheart and yellowheart with straight-grained maple for the edge. I understand that if it’s not finished properly, both purpleheart and yellowheart will lose their bright colors and quickly fade—- like cherry does.

An employee at the Woodcraft store where I purchsed the wood from said any good polyeurathane should do a good job of protecting it from dramatic change (there may be some darkening, but not too bad he said). He said my oil-based Zinser should be sufficient. At another woodshop, a fellow said I’m screwed unless I dye the woods with their corresponding colors first before clear-coating. At yet a third place, a fellow said I would be OK if I use a couple coats of exterior-grade poly.

This is a paying proposition, so I want to do it right. The customer wants it to be LSU colors. I know the exotic woods aren’t exactly LSU purple and gold, but I thought the exotics would be cool so I invested pretty heavily in the wood. Now, I’m really, really hesitant to buy the dye. Not only would that totally eat up my margin, but I don’t see myself doing anything with purple and yellow in the near future. I can digest some of the cost of exterior grade poly, as I’ll have other projects in the future where that can be used.

What do y’all think?

Q

-- "We're always ready to circumcize a few 2x4s," - Uncle Bill


7 replies so far

View AandCstyle's profile

AandCstyle

1387 posts in 953 days


#1 posted 04-22-2013 11:59 PM

To the best of my knowledge, any oil based product will darken (yellow) the woods. Even dyes will fade with UV exposure. I would suggest using a very clear WB product with lots of UV inhibitors such as this, I am certain there are other similar products available. HTH

-- Art

View Hammerthumb's profile

Hammerthumb

1415 posts in 671 days


#2 posted 04-23-2013 12:54 AM

I also agree on the water based finishes. I would look for a good oxigen cross linked floor finish. They usually have uv inhibitors to help prevent discoloration from having area rugs and furniture covering parts of the floor.

-- Paul, Las Vegas

View The Box Whisperer's profile

The Box Whisperer

677 posts in 766 days


#3 posted 04-23-2013 01:23 AM

3rd vote on water based. I use this on purple heart and aromatic cedar to keep the color.

http://www.leevalley.com/en/Wood/page.aspx?p=63849&cat=1,190,42942

-- "despite you best efforts and your confidence that your smarter and faster than a saw blade at 10k rpm…. your not …." - Charles Neil

View Quoheleth's profile

Quoheleth

21 posts in 929 days


#4 posted 04-23-2013 01:50 AM

Thank you all. Perhaps the Woodcraft employee misunderstood me about it being oil based (trying to give him the benefit of the doubt). Thank you for steering me in the right direction.

The Box Whisperer – do you suggest the High Performance or Exterior?

Q

-- "We're always ready to circumcize a few 2x4s," - Uncle Bill

View NiteWalker's profile

NiteWalker

2710 posts in 1272 days


#5 posted 04-23-2013 03:40 AM

+1 more for waterbornes. Here’s purpleheart with gloss crystalac super premium:

-- He who dies with the most tools... dies with the emptiest wallet.

View skipj's profile

skipj

72 posts in 968 days


#6 posted 04-23-2013 01:27 PM

Another vote for water based. The first reply by art looks good. I use target coatings products all
the time.however not the 9300. Target has the 9300 for $20.25 for 32 oz container.

View The Box Whisperer's profile

The Box Whisperer

677 posts in 766 days


#7 posted 04-23-2013 02:31 PM

I use all 3 interior types, satin more then the others. I havnt used the exterior, Im sure the quality would be excellent but I wouldnt need the benefits. My big thing is with fancy colored woods, sometimes the ambering of anything oil based takes away. In purple heart, and aromatic cedar I dont like it. The purple goes brown. Now the red in Padauk, danish oil really brings that out. Anytime Im trying a new finish or wood type, its all about samples on scraps.

-- "despite you best efforts and your confidence that your smarter and faster than a saw blade at 10k rpm…. your not …." - Charles Neil

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