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Author Topic: linseed oil as end seal????  (Read 4005 times)

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Offline charles mann

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linseed oil as end seal????
« on: September 16, 2018, 09:18:39 PM »
 any poor side effects of using boiled linseed oil and wax as an end seal? 

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Offline btulloh

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Re: linseed oil as end seal????
« Reply #1 on: September 16, 2018, 09:35:14 PM »
Seems like it would work with the right mixture.  Not sure it would save money but it could fill up some spare time.  :)
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Offline teakwood

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Re: linseed oil as end seal????
« Reply #2 on: September 22, 2018, 08:49:17 AM »
why the oil?

i know a big sawmill here that uses melted wax to endseal the lumber
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Offline GeneWengert-WoodDoc

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Re: linseed oil as end seal????
« Reply #3 on: September 23, 2018, 07:29:38 AM »
The oil will penetrate the end grain and discolor the end of lighter colored woods.  So even though the end might be check free, because the wax slows the drying, significant end trim will be needed to remove discolored and oily wood.  If not end trimmed to remove all the oil, then the oil will interfere with gluing and water-based finishes.

A product like AnchorSeal does evaporate whenever the kiln goes over 130 F, so there is no carry-over into the dry product.
Gene - Author of articles in Sawmill & Woodlot and books: Drying Hardwood Lumber; VA Tech Solar Kiln; Sawing Edging & Trimming Hardwood Lumber. And more

Offline IMERC

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Re: linseed oil as end seal????
« Reply #4 on: September 23, 2018, 08:22:27 AM »
The oil will penetrate the end grain and discolor the end of lighter colored woods.


I've heard of used motor oil being used as an end grain sealer... this strikes me as an all around really dumber idea...
what is your take?
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Offline PA_Walnut

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Re: linseed oil as end seal????
« Reply #5 on: September 23, 2018, 10:48:27 AM »
I've heard of used motor oil being used as an end grain sealer... this strikes me as an all around really dumber idea... what is your take?


Penny wise and pound foolish. :-X
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Offline IMERC

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Re: linseed oil as end seal????
« Reply #6 on: September 23, 2018, 11:04:13 AM »
I've heard of used motor oil being used as an end grain sealer... this strikes me as an all around really dumber idea... what is your take?


Penny wise and pound foolish. :-X

thought as much...
wax it is...
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Offline charles mann

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Re: linseed oil as end seal????
« Reply #7 on: September 23, 2018, 04:40:22 PM »
Does Anchor/end seal have to be reapplied after a few months? 
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Offline GeneWengert-WoodDoc

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Re: linseed oil as end seal????
« Reply #8 on: September 23, 2018, 05:31:00 PM »
A properly applied (that means thick enough) coating will last a year or more unless heated to over 130 F.
Gene - Author of articles in Sawmill & Woodlot and books: Drying Hardwood Lumber; VA Tech Solar Kiln; Sawing Edging & Trimming Hardwood Lumber. And more

Offline charles mann

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Offline GeneWengert-WoodDoc

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Re: linseed oil as end seal????
« Reply #10 on: September 24, 2018, 08:28:06 PM »
Another popular product (95 % of my clients use it instead of other products) that is widely used is AnchorSeal from UC Coatings in Buffalo, NY.  It can be purchased with or without antifreeze.  It can be applied with brush, roller or sprayer.  The wax melts around 130 F.  It comes in various colors.
Gene - Author of articles in Sawmill & Woodlot and books: Drying Hardwood Lumber; VA Tech Solar Kiln; Sawing Edging & Trimming Hardwood Lumber. And more

Offline PA_Walnut

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Re: linseed oil as end seal????
« Reply #11 on: September 25, 2018, 06:24:10 AM »
Another popular product (95 % of my clients use it instead of other products) that is widely used is AnchorSeal from UC Coatings in Buffalo, NY.  It can be purchased with or without antifreeze.  It can be applied with brush, roller or sprayer.  The wax melts around 130 F.  It comes in various colors.


AnchorSeal is the bomb. Works great, lots of color options, great people to deal with, fast shipping. What's not to love?
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Online ljohnsaw

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Re: linseed oil as end seal????
« Reply #12 on: October 09, 2018, 11:22:43 PM »
I picked up a pair of 330 gallon IBCs for a friend to use to hold water for when they do open burns.  These were "very dirty" and free.  They had wax chunks in them along with a milky fluid.  Turns out it is concrete sealer for fresh concrete to hold the moisture in so it can cure.  Its a wax emulsion, probably pretty close to Anchorseal.  I had to use a 3 foot extension on my paint mixer chucked up in my drill to re-constitute it.  I now have 44 gallons and no hardwood to use it on :-\  I'll probably use it on the aspen when I get around to cutting that for my flooring.
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Offline farmfromkansas

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Re: linseed oil as end seal????
« Reply #13 on: December 20, 2018, 07:43:17 AM »
Brought home a couple walnut logs 3 days ago, the ends are still wet.  How long can I wait to seal them?
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Offline WDH

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Re: linseed oil as end seal????
« Reply #14 on: December 20, 2018, 08:03:28 AM »
You have already waited too long.  Best practice is to seal them immediately after felling. 
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Offline GeneWengert-WoodDoc

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Re: linseed oil as end seal????
« Reply #15 on: December 20, 2018, 08:13:16 AM »
In general, it is best to seal logs yesterday.  Once checking starts, even if small, it becomes harder to control 100% with proper end sealing.

The coating must retard almost all moisture loss so that the ends do not dry before sawing into lumber.  The coating also must stick to the wood tightly to be effective.  It should be obvious that log ends with sap, dirt, mud, ice or snow have to be cleaned so the end is all wood...that is, it does no good to end coat sap, dirt, mud, ice or snow- -we want to coat the wood!
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Offline moodnacreek

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Re: linseed oil as end seal????
« Reply #16 on: December 20, 2018, 12:42:06 PM »
If you don't want to spend $, try old latex paint and paper. The idea is to keep the moisture in.

Offline jimbarry

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Re: linseed oil as end seal????
« Reply #17 on: December 20, 2018, 03:08:06 PM »
Old latex paint as mentioned above. But i was late getting them painted, about a week before I got to painting them.





 

Been sitting a year now, no end checks.



 

Come to learn though that red paint apparently contains a lot of mineral. It would spark when starting each cut. Dulled the blades faster too.



 


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Offline jimbarry

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Re: linseed oil as end seal????
« Reply #18 on: December 20, 2018, 03:21:22 PM »
14 months later



 

 
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Re: linseed oil as end seal????
« Reply #19 on: December 20, 2018, 04:48:57 PM »
Some species end check way worse than others.  Latex paint, in my experience, has yielded poor results.  Don't skimp if you want quality boards without end splitting and use anchorseal.  There is no instant pudding when it comes to sealing logs.  The right stuff applied immediately after felling is the best way to go.  I have not found a witches brew that works yet. 
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