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Walnut lumber with white blotchy spots, Why?

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Forum topic by doubleDD posted 09-27-2016 01:29 AM 699 views 0 times favorited 29 replies Add to Favorites Watch
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doubleDD

5213 posts in 1503 days


09-27-2016 01:29 AM

I was re-sawning some walnut logs today that I’ve had for a few years and noticed every piece has these white streaks or blotchy look to it. Anyone ever seen this before and know why this happens? I thought this could be spalting in walnut? The logs were 18’’ in diameter cut 4 years ago. It has a moisture content of 12%.
Originally the tree was struck by lightning and the top was blown off. I did cut some smaller logs up for projects over the years from the same tree and never saw any of this. Just some beautiful walnut with the white sapwood on the edges. Any help would be appreciated. Not sure if I like this look yet.

Thanks Dave

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.


29 replies so far

View WDHLT15's profile

WDHLT15

1571 posts in 1936 days


#1 posted 09-27-2016 02:17 AM

White rot from a fungus.

-- Danny Located in Perry, GA. Forester. Wood-Mizer LT40HD35 Sawmill. Nyle L53 Dehumidification Kiln. hamsleyhardwood.com

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mike1950

360 posts in 1259 days


#2 posted 09-27-2016 02:32 AM

White rot

-- "There are only two ways to live your life. One is as though nothing is a miracle. The other is as if everything is."– Albert Einstein

View DocSavage45's profile

DocSavage45

7698 posts in 2303 days


#3 posted 09-27-2016 02:40 AM

Dave,

Guess you got your answer.

Charles Neil has a method to change the look of the wood with application of different dyes to even out or darken woods.

Maybe you can check with him as he has been posting in the forum recently.

-- Cau Haus Designs, Thomas J. Tieffenbacher

View Jim Jakosh's profile

Jim Jakosh

17123 posts in 2566 days


#4 posted 09-27-2016 02:41 AM

WHITE ROT

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View ralbuck's profile

ralbuck

1967 posts in 1727 days


#5 posted 09-27-2016 03:11 AM

When I worked for the lumber yard any wood that we were going to store outside was very carefully stacked to have many air spaces and then rotated fairly often also.

This was to prevent the mold—even in the relatively dry ND climate it did develop.

-- just rjR

View Joe Lyddon's profile

Joe Lyddon

9432 posts in 3513 days


#6 posted 09-27-2016 03:14 AM

WOW! I guess it was White Rot! ... whatever that is…

... I have never seen that happen to Walnut either…

I would listen to Charles Neil for any advice on the subject…

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: http://www.WoodworkStuff.net ... My Small Gallery: http://www.ncwoodworker.net/pp/showgallery.php?ppuser=1389&cat=500"

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John

457 posts in 730 days


#7 posted 09-27-2016 03:47 AM

Thanks for pointing this out Dave, I’m going out to check some roughed out Black Walnut bowls I have.

-- John, Sunshine Coast, BC, Canada.

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doubleDD

5213 posts in 1503 days


#8 posted 09-27-2016 03:51 AM

OK, so it looks like I have walnut with white rot. I went back to check it out and it is very stable to say the least. I may have to do some finishing on it to see what it will look like. I wonder if I can somehow stain those blotches so they don’t stand out. Maybe Charles will chime in and give me some ideas. Don’t know if he does PM’s.
Has anyone ever made anything with white rot walnut ?

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View DocSavage45's profile

DocSavage45

7698 posts in 2303 days


#9 posted 09-27-2016 05:12 AM

Dave,

You can pm Charles. here is his website

http://www.cn-woodworking.com/

-- Cau Haus Designs, Thomas J. Tieffenbacher

View Roger's profile

Roger

19865 posts in 2264 days


#10 posted 09-27-2016 11:04 AM

Found this video on the almighty Youtube: https://www.youtube.com/watch?v=47rQYoETWm4

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed. Kentuk55@yahoo.com

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ellen35

2724 posts in 2893 days


#11 posted 09-27-2016 11:16 AM

Bought several rough walnut boards for a project. When I planed them down, they looked just like this. Seems there is a lot of this stuff around. I bought from a very reputable dealer but I don’t think I have any recourse.
Useless….

-- "Don't let the perfect be the enemy of the good." Voltaire

View rwe2156's profile

rwe2156

2190 posts in 941 days


#12 posted 09-27-2016 02:18 PM

Wear a respirator when cutting wood like this?

-- Everything is a prototype thats why its one of a kind!!

View Underdog's profile

Underdog

899 posts in 1496 days


#13 posted 09-27-2016 02:31 PM



Wear a respirator when cutting wood like this?

- rwe2156

Anytime you’re cutting wood with any type of fungus, it’s a good idea to wear a respirator.

-- "woodworker with an asterisk"

View CharlesNeil's profile

CharlesNeil

1610 posts in 3331 days


#14 posted 09-27-2016 02:56 PM

I have seen this in walnut and ‘mahogany, as a matter of fact i am working with some 16/4 mahogany now, that i am cutting into pencil post bed post, and it has this . Before you get too excited, , first try wiping it with some Denatured alcohol and see if the color returns when wet. I have seen this especially in Claro Walnut, I have also seen it return to color after it was exposed to the air, not sure why , but it can do it.

If its truly a mold, then try some peroxide, or uses a mixture of borax, ( good old 20 mule team) of about a cup to a gallon of water, or even a little stronger, you will have to use hot water to get it to dissolve. it will usually kill mold.

Worth a try before trashing the wood

View doubleDD's profile

doubleDD

5213 posts in 1503 days


#15 posted 09-27-2016 03:32 PM

Wearing a respirator, good idea, since I usually sneeze a lot when cutting walnut anyway for some reason.

Charles, thanks much for some info on this. I was looking forward to using this on a couple nice project boxes. I will get right on it starting wit a few pieces in the open air and a few with the alcohol and peroxide. I will get back on results. Fingers crossed.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

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