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Forum topic by ErnestoP posted 11-07-2015 04:02 AM 647 views 0 times favorited 7 replies Add to Favorites Watch
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ErnestoP

29 posts in 431 days


11-07-2015 04:02 AM

I’ve been working on this cabinet for some time now and have run into some issues along the way that I worked out with some great advice from my new buddy Charles Neil. I’m new to spraying anything on this project. I purchased an Earlex spay system and it works great. Any how, l’m working on the top now of my piece. I used GF’s water based dyes, de-waxed Shellac then GF’s ArmorSeal. I sprayed down a couple of coats of the poly then went to sand today with 400 grit paper. After sanding, I noticed the top getting hazy and cloudy. Hmm, so after doing some research. I decided to wipe the top down with with a tshirt and airing off the dust from sanding. I laid down another really nice coat of poly. I then starting noticing a spot of the top starting to blister! Looks like the only spot on the top. It also looks like it went through to the color. Any thoughts of what could have cause this reaction? Equally as important how to fix without redoing the top? I hope I don’t wake up to a blistered top!
 photo image_zpsno9sjjoh.jpg

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7 replies so far

View Kelly's profile

Kelly

1114 posts in 2410 days


#1 posted 11-07-2015 04:11 AM

Wild guess, but it looks like the orange peel you get from too thick a finish with oil (like at the bottom of a glass of oil base left in the container, open to the air).

If that’s it, you may just need to wipe as much off as you can with thinner, then let it harden and, gently, sand it, then apply another light coat and see where it takes you.

View BurlyBob's profile

BurlyBob

3695 posts in 1731 days


#2 posted 11-07-2015 04:23 AM

I’m thinking that Kelly’s right on the money. It’s a beautiful piece of wood you need to make it look like it is suppose to look. I know you’ll take your time and show us an awesome project.

View AandCstyle's profile

AandCstyle

2575 posts in 1723 days


#3 posted 11-07-2015 02:31 PM

I can’t tell from the pic, but could it be fisheye?

-- Art

View johnstoneb's profile

johnstoneb

2147 posts in 1639 days


#4 posted 11-07-2015 02:56 PM

No, it is not fisheye. I think Kelly is right on the money.

-- Bruce, Boise, ID

View ErnestoP's profile

ErnestoP

29 posts in 431 days


#5 posted 11-07-2015 03:08 PM

Thanks guys. I did carefully remove it. Trying not to disturb too much of the top. Now, I have a spot on the top as I somehow creates my own stripper. I’ll have to deal with that at some point. Color touch up and re apply

View pintodeluxe's profile

pintodeluxe

4859 posts in 2279 days


#6 posted 11-08-2015 04:17 AM

I think spraying light coats, and letting each coat dry fully will prevent this issue in the future.
Lacquer is the most forgiving finish to spray. I completely switched to lacquer for indoor furniture. It dries quicker, and the second coat melts into the first.

Some polyurethane finishes take 24-48 hours per coat to fully dry. That is way too long for me.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View ErnestoP's profile

ErnestoP

29 posts in 431 days


#7 posted 11-08-2015 04:26 AM

I agree. I did some practicing with lacquer and liked the result. Can I go over the poly with the lacquer?

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