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View Poll Results: What is your preferred Balsa Wood Sealer
Brodak sanding sealer 15 18.52%
Epoxy 0 0%
Diluted Elmers carpenter glue 3 3.70%
Full strength Elmers carpenter glue 1 1.23%
Lacquer automotive primer 0 0%
Enamel automotive primer 4 4.94%
Water based primer 0 0%
Plain old dope 5 6.17%
CA glue 2 2.47%
Elmers wood filler 28 34.57%
Spackle 2 2.47%
Other 21 25.93%
Voters: 81. You may not vote on this poll

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  #31  
Old 05-09-2020, 10:51 PM
snaquin snaquin is offline
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I use diluted Elmers wood filler too. Sometimes I would get lazy and just use self adhesive label paper trimmed and then use CA around the edges. I located an old build that I started that I used Zinsser Bulls Eye water based primer. It's white and it is a Rust-Oleum product I picked up at either Home Depot or Lowes in a quart can. I haven't tried to sand it off yet so don't know how it worked but it did dry pretty quickly from what I remember ....
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  #32  
Old 05-16-2020, 04:02 PM
Les Les is offline
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I've typically use Elmer's F&F, or white glue and paper.

I've been considering trying the Brodak Sanding Sealer. Can I apply this directly to the balsa or do I need to apply the clear dope first? And I've seen various references to thinning... I believe I've seen 50/50 mix and 1 part to 2 parts. Is that more a preference or what ? And can I use acetone from Home Depot or should I get the thinner?

Thanks
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  #33  
Old 05-16-2020, 04:51 PM
scigs30 scigs30 is offline
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I brush it on full strength onto bare wood. I normally do not thin Brodak.
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  #34  
Old 05-22-2020, 02:05 PM
RobVG RobVG is offline
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Join Date: Apr 2020
Location: Seattle
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I just gave Elmer's wood filler a try. It's kind of dry and balls up. Not easy to spread. I added a few drops of water and that smoothed it out a bit.

Think I'll go back to full strength wood glue. It's easier to brush on.

Edit: Dang it, it warped my fins. They were off the rocket but i don't think it would have helped.They warped across, not longitudinally.
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  #35  
Old 05-22-2020, 02:20 PM
jetlag jetlag is offline
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If you're going to use that stuff on fins, you need to do both sides at the same time. Don't use wood glue or Elmer's glue to seal fins. Very difficult to sand.

Allen
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  #36  
Old 05-22-2020, 02:38 PM
RobVG RobVG is offline
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Quote:
Originally Posted by jetlag
If you're going to use that stuff on fins, you need to do both sides at the same time. Don't use wood glue or Elmer's glue to seal fins. Very difficult to sand.

Allen


Yeah, just realized my mistake. Gonna have to get more wood and cut new ones.
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  #37  
Old 05-22-2020, 02:44 PM
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ghrocketman ghrocketman is offline
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Water based wood sealers= YECHHHHHH !
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  #38  
Old 05-22-2020, 06:29 PM
RobVG RobVG is offline
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We'll, pressing them under a heavy flower pot didn't straighten them. Neither did coating the other side. Did find if you spread it with your finger you can quickly coat both sides.

I couldn't get balsa, had to use basswood. It's a PITA to cut.
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  #39  
Old 05-22-2020, 06:42 PM
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erik442 erik442 is offline
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The best result I've had with Elmer's wood filler is to thin it about 40% with water. Mix it well and paint it on thick with a small brush. It will look like stucco but will sand down smooth.
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  #40  
Old 05-22-2020, 07:50 PM
RobVG RobVG is offline
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I had one fin glued on already and hadn't applied the sealer.

Coated it quickly, both sides, and got no warpage.
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