• Re: Should I use mineral spirits after sanding between polyurethane coa

    From Jill@21:1/5 to All on Sun Oct 24 13:31:21 2021
    Feisty woodworkers up in here! šŸ˜„

    --
    For full context, visit https://www.homeownershub.com/woodworking/should-i-use-mineral-spirits-after-sanding-between-polyureth-360422-.htm

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  • From Bob Davis@21:1/5 to Jill on Sun Oct 24 16:08:16 2021
    On Sunday, October 24, 2021 at 8:31:25 AM UTC-5, Jill wrote:
    Feisty woodworkers up in here! šŸ˜„

    --
    For full context, visit https://www.homeownershub.com/woodworking/should-i-use-mineral-spirits-after-sanding-between-polyureth-360422-.htm

    Ha, good comment, Jill.

    I am doing every thing wrong. I use a water base poly which dries in a hurry. I sand 2-3 hours after first coat with 320. It sands creating a fine white powder. Then I wipe with a tack cloth and then denatured alcohol. That dries almost instantly and
    I put on second coat. I sand with 400 next and repeat the previous wipe process. The final coat is applied and pretty much done after 3-4 hours. The result is a really nice even satin finish with no brush marks. I guess I'll keep doing it wrong until
    a problem shows up (never has)

    Bob

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  • From DerbyDad03@21:1/5 to wrober...@gmail.com on Mon Oct 25 05:20:32 2021
    On Sunday, October 24, 2021 at 7:08:19 PM UTC-4, wrober...@gmail.com wrote:
    On Sunday, October 24, 2021 at 8:31:25 AM UTC-5, Jill wrote:
    Feisty woodworkers up in here! šŸ˜„

    --
    For full context, visit https://www.homeownershub.com/woodworking/should-i-use-mineral-spirits-after-sanding-between-polyureth-360422-.htm
    Ha, good comment, Jill.

    I am doing every thing wrong. I use a water base poly which dries in a hurry. I sand 2-3 hours after first coat with 320. It sands creating a fine white powder. Then I wipe with a tack cloth and then denatured alcohol. That dries almost instantly and I
    put on second coat. I sand with 400 next and repeat the previous wipe process. The final coat is applied and pretty much done after 3-4 hours. The result is a really nice even satin finish with no brush marks. I guess I'll keep doing it wrong until a
    problem shows up (never has)

    Bob

    Have you tried the same process with Wipe-On poly?

    I hate painting, so I hate brushing. Wipe-On is so
    easy and quick, but more expensive. Iā€™m willing to
    pay extra to keep my frustration levels low.

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  • From Brian Welch@21:1/5 to All on Mon Oct 25 10:32:40 2021
    On Monday, October 25, 2021 at 8:20:35 AM UTC-4, DerbyDad03 wrote:
    On Sunday, October 24, 2021 at 7:08:19 PM UTC-4, wrober...@gmail.com wrote:
    On Sunday, October 24, 2021 at 8:31:25 AM UTC-5, Jill wrote:
    Feisty woodworkers up in here! šŸ˜„

    --
    For full context, visit https://www.homeownershub.com/woodworking/should-i-use-mineral-spirits-after-sanding-between-polyureth-360422-.htm
    Ha, good comment, Jill.

    I am doing every thing wrong. I use a water base poly which dries in a hurry. I sand 2-3 hours after first coat with 320. It sands creating a fine white powder. Then I wipe with a tack cloth and then denatured alcohol. That dries almost instantly and
    I put on second coat. I sand with 400 next and repeat the previous wipe process. The final coat is applied and pretty much done after 3-4 hours. The result is a really nice even satin finish with no brush marks. I guess I'll keep doing it wrong until a
    problem shows up (never has)

    Bob
    Have you tried the same process with Wipe-On poly?

    I hate painting, so I hate brushing. Wipe-On is so
    easy and quick, but more expensive. Iā€™m willing to
    pay extra to keep my frustration levels low.
    Not sure, but just guessing a resolution was found in the past 14 years...
    My suggestion, given enough time in advance, is to try it on a sample and see what happens...
    Otherwise, I have found that the label on the PU can provides lots of information, given the proper strength of reading glasses...

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  • From Bob Davis@21:1/5 to All on Mon Oct 25 12:00:36 2021
    On Monday, October 25, 2021 at 7:20:35 AM UTC-5, DerbyDad03 wrote:
    On Sunday, October 24, 2021 at 7:08:19 PM UTC-4, wrober...@gmail.com wrote:
    On Sunday, October 24, 2021 at 8:31:25 AM UTC-5, Jill wrote:
    Feisty woodworkers up in here! šŸ˜„

    --
    For full context, visit https://www.homeownershub.com/woodworking/should-i-use-mineral-spirits-after-sanding-between-polyureth-360422-.htm
    Ha, good comment, Jill.

    I am doing every thing wrong. I use a water base poly which dries in a hurry. I sand 2-3 hours after first coat with 320. It sands creating a fine white powder. Then I wipe with a tack cloth and then denatured alcohol. That dries almost instantly and
    I put on second coat. I sand with 400 next and repeat the previous wipe process. The final coat is applied and pretty much done after 3-4 hours. The result is a really nice even satin finish with no brush marks. I guess I'll keep doing it wrong until a
    problem shows up (never has)

    Bob
    Have you tried the same process with Wipe-On poly?

    I hate painting, so I hate brushing. Wipe-On is so
    easy and quick, but more expensive. Iā€™m willing to
    pay extra to keep my frustration levels low.

    I hear you! I have not tried it with wipe-on. I came to terms with brushing just this year. I purchased various sized brushes from an artist supply. They are hugely better than anything you get in a buider's supply. I am using Varathane Ultimate
    Polyurethane water based satin finish. For cleanup, I just put the brush under the (gasp) kitchen sink faucet to wash off the bulk, then swish it around in a jar of water with a dash of dawn detergent, then rinse and set on the counter to dry. It takes
    less than a minute to clean a brush and its still soft and pliable when I use it again.

    I decided to go back and read the label to see what I was doing "wrong".

    1. Yep, dry time for first coat is 2 hours (test by lightly sanding to see if powder forms).
    2. Apply second coat after first coat drys (NO sanding!)
    3. Sand after second coat dries, IF the grain has raised.
    4. Apply third coat BEFORE 24 hours has passed.

    These instructions seem to go counter to some of the other processes expressed here. The varathane works so well for me that I have not been tempted to experiment with anything else. Leon is agitating about that monocoat thingy invented in Spain...
    Maybe. :-)

    Bob

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  • From Leon@21:1/5 to Bob Davis on Tue Oct 26 12:16:43 2021
    On 10/25/2021 2:00 PM, Bob Davis wrote:
    On Monday, October 25, 2021 at 7:20:35 AM UTC-5, DerbyDad03 wrote:
    On Sunday, October 24, 2021 at 7:08:19 PM UTC-4, wrober...@gmail.com wrote: >>> On Sunday, October 24, 2021 at 8:31:25 AM UTC-5, Jill wrote:
    Feisty woodworkers up in here! šŸ˜„

    --
    For full context, visit https://www.homeownershub.com/woodworking/should-i-use-mineral-spirits-after-sanding-between-polyureth-360422-.htm
    Ha, good comment, Jill.

    I am doing every thing wrong. I use a water base poly which dries in a hurry. I sand 2-3 hours after first coat with 320. It sands creating a fine white powder. Then I wipe with a tack cloth and then denatured alcohol. That dries almost instantly and
    I put on second coat. I sand with 400 next and repeat the previous wipe process. The final coat is applied and pretty much done after 3-4 hours. The result is a really nice even satin finish with no brush marks. I guess I'll keep doing it wrong until a
    problem shows up (never has)

    Bob
    Have you tried the same process with Wipe-On poly?

    I hate painting, so I hate brushing. Wipe-On is so
    easy and quick, but more expensive. Iā€™m willing to
    pay extra to keep my frustration levels low.

    I hear you! I have not tried it with wipe-on. I came to terms with brushing just this year. I purchased various sized brushes from an artist supply. They are hugely better than anything you get in a buider's supply. I am using Varathane Ultimate
    Polyurethane water based satin finish. For cleanup, I just put the brush under the (gasp) kitchen sink faucet to wash off the bulk, then swish it around in a jar of water with a dash of dawn detergent, then rinse and set on the counter to dry. It takes
    less than a minute to clean a brush and its still soft and pliable when I use it again.

    I decided to go back and read the label to see what I was doing "wrong".

    1. Yep, dry time for first coat is 2 hours (test by lightly sanding to see if powder forms).
    2. Apply second coat after first coat drys (NO sanding!)
    3. Sand after second coat dries, IF the grain has raised.
    4. Apply third coat BEFORE 24 hours has passed.

    These instructions seem to go counter to some of the other processes expressed here. The varathane works so well for me that I have not been tempted to experiment with anything else. Leon is agitating about that monocoat thingy invented in Spain...
    Maybe. :-)

    Bob



    I think I will be resting the Rubio monocoat soon.

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  • From DerbyDad03@21:1/5 to Leon on Tue Oct 26 13:08:05 2021
    On Tuesday, October 26, 2021 at 1:16:50 PM UTC-4, Leon wrote:
    On 10/25/2021 2:00 PM, Bob Davis wrote:
    On Monday, October 25, 2021 at 7:20:35 AM UTC-5, DerbyDad03 wrote:
    On Sunday, October 24, 2021 at 7:08:19 PM UTC-4, wrober...@gmail.com wrote:
    On Sunday, October 24, 2021 at 8:31:25 AM UTC-5, Jill wrote:
    Feisty woodworkers up in here! šŸ˜„

    --
    For full context, visit https://www.homeownershub.com/woodworking/should-i-use-mineral-spirits-after-sanding-between-polyureth-360422-.htm
    Ha, good comment, Jill.

    I am doing every thing wrong. I use a water base poly which dries in a hurry. I sand 2-3 hours after first coat with 320. It sands creating a fine white powder. Then I wipe with a tack cloth and then denatured alcohol. That dries almost instantly
    and I put on second coat. I sand with 400 next and repeat the previous wipe process. The final coat is applied and pretty much done after 3-4 hours. The result is a really nice even satin finish with no brush marks. I guess I'll keep doing it wrong until
    a problem shows up (never has)

    Bob
    Have you tried the same process with Wipe-On poly?

    I hate painting, so I hate brushing. Wipe-On is so
    easy and quick, but more expensive. Iā€™m willing to
    pay extra to keep my frustration levels low.

    I hear you! I have not tried it with wipe-on. I came to terms with brushing just this year. I purchased various sized brushes from an artist supply. They are hugely better than anything you get in a buider's supply. I am using Varathane Ultimate
    Polyurethane water based satin finish. For cleanup, I just put the brush under the (gasp) kitchen sink faucet to wash off the bulk, then swish it around in a jar of water with a dash of dawn detergent, then rinse and set on the counter to dry. It takes
    less than a minute to clean a brush and its still soft and pliable when I use it again.

    I decided to go back and read the label to see what I was doing "wrong".

    1. Yep, dry time for first coat is 2 hours (test by lightly sanding to see if powder forms).
    2. Apply second coat after first coat drys (NO sanding!)
    3. Sand after second coat dries, IF the grain has raised.
    4. Apply third coat BEFORE 24 hours has passed.

    These instructions seem to go counter to some of the other processes expressed here. The varathane works so well for me that I have not been tempted to experiment with anything else. Leon is agitating about that monocoat thingy invented in Spain...
    Maybe. :-)

    Bob

    I think I will be resting the Rubio monocoat soon.

    Resting? As in putting it away?

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  • From Puckdropper@21:1/5 to teamarrows@eznet.net on Thu Oct 28 09:04:55 2021
    DerbyDad03 <teamarrows@eznet.net> wrote in news:c96f7cd8-5d27-49f0-b15f-f97bae2acb1cn@googlegroups.com:

    On Tuesday, October 26, 2021 at 1:16:50 PM UTC-4, Leon wrote:
    I think I will be resting the Rubio monocoat soon.

    Resting? As in putting it away?


    Sleeping? Didn't he mention something about a bed project a few weeks ago?
    :-)

    Puckdropper

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  • From DerbyDad03@21:1/5 to Puckdropper on Thu Oct 28 07:25:49 2021
    On Thursday, October 28, 2021 at 5:04:59 AM UTC-4, Puckdropper wrote:
    DerbyDad03 <teama...@eznet.net> wrote in news:c96f7cd8-5d27-49f0...@googlegroups.com:
    On Tuesday, October 26, 2021 at 1:16:50 PM UTC-4, Leon wrote:
    I think I will be resting the Rubio monocoat soon.

    Resting? As in putting it away?

    Sleeping? Didn't he mention something about a bed project a few weeks ago? :-)

    I wonder if he has green sheets. ;-)

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  • From Tbone123@21:1/5 to All on Wed May 31 17:31:59 2023
    I think the question is, is it recommended to clean sand dust with mineral spirits before applying next coat?

    --
    For full context, visit https://www.homeownershub.com/woodworking/should-i-use-mineral-spirits-after-sanding-between-polyureth-360422-.htm

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  • From Bill@21:1/5 to All on Wed May 31 19:28:55 2023
    On 5/31/2023 1:31 PM, Tbone123 wrote:
    I think the question is, is it recommended to clean sand dust with
    mineral spirits before applying next coat?


    I sand lightly and clean. No mineral spirits are necessary.
    At least, that's what I do, and it comes out very well.

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  • From Markem618@21:1/5 to Bill on Wed May 31 19:52:46 2023
    On Wed, 31 May 2023 19:28:55 -0400, Bill <nonegiven@att.net> wrote:

    On 5/31/2023 1:31 PM, Tbone123 wrote:
    I think the question is, is it recommended to clean sand dust with
    mineral spirits before applying next coat?


    I sand lightly and clean. No mineral spirits are necessary.
    At least, that's what I do, and it comes out very well.

    A tack cloth is probably better than mineral spirits, poor quality
    solvents are likely to cause finishing issues.

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  • From Scott Lurndal@21:1/5 to Bill on Thu Jun 1 14:21:19 2023
    Bill <nonegiven@att.net> writes:
    On 5/31/2023 1:31 PM, Tbone123 wrote:
    I think the question is, is it recommended to clean sand dust with
    mineral spirits before applying next coat?


    I sand lightly and clean. No mineral spirits are necessary.
    At least, that's what I do, and it comes out very well.

    A tack cloth is useful to remove the sanding dust.

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  • From Leon@21:1/5 to Bill on Sat Jun 3 09:20:29 2023
    On 5/31/2023 6:28 PM, Bill wrote:
    On 5/31/2023 1:31 PM, Tbone123 wrote:
    I think the question is, is it recommended to clean sand dust with
    mineral spirits before applying next coat?


    I sand lightly and clean. No mineral spirits are necessary.
    At least, that's what I do, and it comes out very well.


    I use Festool sanders with a dust extraction so there is little to no
    dust left on the surface, NOW.

    Before dust extraction I simply used compressed air to remove the dust.
    That worked very well.

    Mineral spirits works well to remove anything missed by the sanders with
    dust extraction.
    Mineral Spirits gives you a preview of what the wood is going to look
    like with varnish applied and evaporates relatively quickly and leaves
    no residue nor does it raise the grain.

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