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Why so porous?

by JohnnyGoGo
posted 09-09-2018 09:39 PM


10 replies so far

View msinc's profile

msinc

567 posts in 863 days


#1 posted 09-09-2018 11:21 PM

If it has soaked in that bad it is probably too late to fix that one…you might have to live with the dark color. If you have another slab try giving it a good coat of sanding sealer to fill the pores. Then try a small spot maybe on the back where it wont show. If it looks okay then go for it. If it appears to still be soaking up the finish then maybe try a coat of clear lacquer to further seal it off. You can pretty much put anything over top of lacquer. If I may ask, what kind of wood is this????

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JohnnyGoGo

6 posts in 254 days


#2 posted 09-10-2018 01:31 PM

I only did a little test spot on the edge. I tried sanding sealer and it changes it to super dark. Not sure what kind of wood this is. Maybe I should coat it with water first, not sure. I’ll try to get a picture out to you guys if I could figure this Photobucket thing oot

View JayT's profile

JayT

6158 posts in 2570 days


#3 posted 09-10-2018 01:45 PM

Skip photobucket, just post directly to LJ if you are on the device where your pics are stored.

Edit your original post (top right in red), click the “img” button, then navigate to the stored file and select it. The pic will upload and display when you finish editing the post.

-- In theory, there is no difference between theory and practice. In practice, there is.

View jmos's profile

jmos

913 posts in 2729 days


#4 posted 09-11-2018 12:20 PM

Flooding the surface with water or mineral spirits usually gives a good indication what it will look like with a finish. You may just be seeing what the wood is going to look like.

To add the least color, you may want to try a super-blonde shellac or some sort of water based finish as a sealer. Water based finishes usually add very little or no color.

If it gets really dark after that, I think it’s just the way the wood is going to react.

-- John

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JayT

6158 posts in 2570 days


#5 posted 09-11-2018 12:30 PM

Any finish is going to darken the wood, as the wood absorbs some and changes how the light reflects. End grain, as with your piece, will always absorb quite a bit of finish. The wood fibers are aligned to pull moisture in that direction when the tree is alive.

The amount of change shown in the pics is not at all unusual for an oil based finish on darker wood. If you want less change, try a a water based poly. It’ll still darken a bit, but not near as much as with an oil based finish. It’s always a good idea to test finishes on a piece of scrap or in an inconspicuous area (like the bottom of a table top) to see how different finishes will affect.

-- In theory, there is no difference between theory and practice. In practice, there is.

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JohnnyGoGo

6 posts in 254 days


#6 posted 09-11-2018 01:22 PM

Thanks for the advice I really appreciate it. I’ll try some water based polycrylic. Any advice on where I can get some wrought iron legs.

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JohnnyGoGo

6 posts in 254 days


#7 posted 09-11-2018 01:22 PM

Thanks for the advice I really appreciate it. I’ll try some water based polycrylic. Any advice on where I can get some wrought iron legs.

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JohnnyGoGo

6 posts in 254 days


#8 posted 09-11-2018 01:24 PM

I’m sorry one more question ,does anybody know what kind of wood this is?

View msinc's profile

msinc

567 posts in 863 days


#9 posted 09-11-2018 01:36 PM

When you say, “incredibly porous” are you just referring to the fact that it got darker than you thought it would or do you actually have a piece of wood there that physically has a lot of pores in the grain of the wood? Pictures always make it hard to identify wood. Couple that with the fact that all we see is end grain and it appears to be a slab from a stump and that makes it all that much tougher to positively ID what you have. Might want to try asking the people where you got it what it is and/or exactly where it came from when it was alive. That can help to narrow it down.
Firing off the cuff, it looks like it could be a piece of red maple stump, but it also looks like it could be walnut.
Red maple doesn’t grow everywhere and it is for sure not porous in a physical sense. It also has the appearance of possibly eastern red cedar, but you should be able to smell that to the point of remarking about it. There used to be a lot of cypress slabs being sold that were about that shape, but the wood doesn’t look too much like cypress.
Maybe try to post some close up photos? Don’t get me wrong, the photos are fine…people get on here all the time with “what kind of wood is this?” and the picture is taken 20 feet away from an extremely weathered, rough cut board….well, let’s see…that’s a brown board!!!!

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JohnnyGoGo

6 posts in 254 days


#10 posted 09-11-2018 02:00 PM

It is porous in a way where anything wet that touches it makes it super dark.

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