shellac applied with a roller.


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Old 09-10-17, 04:59 AM
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shellac applied with a roller.

Marksr,

Customer of mine wants to know if a exterior shellac can be (should be) applied with a foam roller. Apparently he has a number of doors and wants a quick way of putting in a final coat but still get good results. Your opinion please.
Thanks.
 
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Old 09-10-17, 05:03 AM
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Other than pigmented shellac [BIN] I don't recall ever rolling shellac, always brushed or sprayed. Got to ask why he intends to use shellac? Poly gives a lot tougher finish. FWIW - I've never liked foam roller covers.
 
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Old 09-10-17, 05:11 AM
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He tells me it's for ease and speed. I also told him to use poly and a brush. He is using shellac because it's a restoration type of thing. Apparently the doors were originally coated with shellac and he wants to duplicate the original finish.

My first thought was that foam would cause tiny bubbles to form and might not dissipate as it dries.
 
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Old 09-10-17, 05:16 AM
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If I was to roll shellac [or most any similar coating] I'd use a 1/4" mohair roller cover. Shellac dries fast so I doubt any defects or orange peel caused by the roller would lay down.
 
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Old 09-10-17, 05:17 AM
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Customer of mine wants to know if a exterior shellac...

I've never heard of "exterior" shellac. What is the difference between it and just plain old shellac? Shellac is an ancient coating and I think for exterior usage there are many products far better suited.
 
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Old 09-10-17, 05:18 AM
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Thanks. If he returns I'll relay the info. I now have more knowledge that I did before.
 
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Old 09-10-17, 05:25 AM
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Like I said, I've never rolled a shellac finish best I can recall but when rolling oil base enamel, varnish or poly - a mohair cover works best.
 
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Old 09-10-17, 05:28 AM
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I've never heard of "exterior" shellac
I missed the exterior part I've never heard of it either
 
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Old 09-10-17, 04:54 PM
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Guys,

Agree shellac in today's world is not for exterior use. Read my post #3.

using shellac because it's a restoration type of thing. Apparently the doors were originally coated with shellac and he wants to duplicate the original finish.
Back a couple of centuries ago shellac was in fact used as a finish on boats and marine use.

I found two good articles about the use of shellac.

http://www.antiquerestorers.com/Arti...ff/shellac.htm

http://woodworking.about.com/od/finishing/p/Shellac.htm
 
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Old 09-11-17, 01:55 AM
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The first link didn't take me to anything relating to shellac.

from the second link,
Shellac finishes should be kept away from water, as they will become dull or even have a white residue appear when exposed to moisture.
 
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Old 09-11-17, 07:46 AM
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It's not the best solution for outside use but some people don't have a choice or won't let themselves....

Spar urethane would be my choice in this instance.
 
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Old 09-11-17, 05:29 PM
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Customer never returned. But the point being is he wanted to do an original restoration. Keep in mind that these are a typical entrance door. Somewhat protect from direct water. I understand why he wanted to use shellac and he admits it's not the ideal material. For whatever reason he was not too concerned with protection vs finished appearance. So his question was can a foam roller be used with good results for the finish. I believe MARKSR answered it with his first response.
 
 

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