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Sealant for end grain of wood and bamboo

09/21/2008 12:33 PM

I need to water proof and seal the end grain of wood and bamboo. Any suggestions on a product that is green, clean with no off gasing.

It could be brushed or sprayed on or dipped Thanks

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#1

Re: Sealant for end grain of wood and bamboo

09/21/2008 11:16 PM

Dear Sir,

Though I have used Denso tapes on steel pipes for underwater works (very successfull , I might add , even checking their status after 40 years of immersion), I am reliably informed that wooden piles are being protected by both the : Denso paste as well as the tapes. I suspect that bamboo about which I am most intrerested also, would or could be fitted that way as well. Keep us informed if you find any alternatives,Tks.

The only other way I can suggest , subject to its adaptability, in your case , would be the use of : marine resistant cement/ concrete.

Labor Omnia Vincit

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#2

Re: Sealant for end grain of wood and bamboo

09/21/2008 11:34 PM

Liquid Teflon.

Dip it. you may have to heat it some.

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#4
In reply to #2

Re: Sealant for end grain of wood and bamboo

09/22/2008 1:01 AM

DUH -- Sorry I meant LIQUID NYLON -- Some times I feel like I have been hunting with Dick Cheny.

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#3

Re: Sealant for end grain of wood and bamboo

09/22/2008 12:52 AM

Hello mac5777;

Depending upon the environment the seal needs prevail you may start low with WATCO Danish wax - a 'Min-Wax' product.

If high degree of weather, traffic, or water proof required repetitive application of tung oil or 'soyclean.

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#5
In reply to #3

Re: Sealant for end grain of wood and bamboo

09/22/2008 1:23 AM

Thanks guys for the info, I think I am going in the right direction. I'm trying to stop any moisture from entering the open end grain of wood and open pores of bamboo. Ideally a sprayed application works best on the end of the materials. All the while, keeping green. Thanks again!

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#6
In reply to #5

Re: Sealant for end grain of wood and bamboo

09/22/2008 1:44 AM

try anchorseal, it's a wax based end grain sealer

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#7

Re: Sealant for end grain of wood and bamboo

09/22/2008 4:17 AM

Use the candle wax with green colour, heat it & pour it.

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#8

Re: Sealant for end grain of wood and bamboo

09/22/2008 4:28 AM

If you find that the wood is absorbing too much sealer (and/or the process is taking too much time): try applying superglue (cyanoacrylate) (with activator) first. A friend of mine uses this technique when he wants to paint the cut edges of MDF.

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#11
In reply to #8

Re: Sealant for end grain of wood and bamboo

09/22/2008 1:40 PM

Cornstarch blended with buttermilk works great as paint prep too

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#9

Re: Sealant for end grain of wood and bamboo

09/22/2008 10:24 AM

A product by Kinloch meets all of your criteria

www.kinloch-usa.com

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#10

Re: Sealant for end grain of wood and bamboo

09/22/2008 10:36 AM

How about shellac?

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#12

Re: Sealant for end grain of wood and bamboo

09/22/2008 2:38 PM

I have used both carpenters' glue (water-base) and urethane glue (Gorilla Glue) to seal the ends of freshly-cut wood to prevent checking. Both work pretty well. Use the Urethane when the wood is to be stored in the weather. No doubt wax would work better but the application of glue is much easier.

Bill Morrow

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#13
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Re: Sealant for end grain of wood and bamboo

09/22/2008 2:47 PM

A sticky situation no doubt

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#14
In reply to #13

Re: Sealant for end grain of wood and bamboo

09/22/2008 3:10 PM

Sticky? Yea, but there are always plenty of sticks around to spread the glue. I stand the freshly cut log on end. The moisture from the ground keeps the bottom from checking while glue is spread on the top and allowed to dry. Then the log is flipped, brushed off, and the other end sealed.

Bill

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#16
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Re: Sealant for end grain of wood and bamboo

09/22/2008 8:45 PM
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#15

Re: Sealant for end grain of wood and bamboo

09/22/2008 5:59 PM

Mac5777,

I frequently use boiled linseed oil as a sealer and densifier for wood that is exposed to the weather. It is a natural product, but will have a unique odor for a couple weeks after it has been applied. I would apply as much as the wood will soak-in, then wipe off the excess after about 5 minutes.

If you need food-grade, then look at some of the products advertised and marketed for this application.

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#17

Re: Sealant for end grain of wood and bamboo

09/23/2008 11:21 AM

You HAVE to know the eventual use. Like, what finish will you eventually be putting on? Will you need to glue the pieces up? Bamboo, for instance, is usually glued up, and you would not want to let the raw material get into contact with any wax or oil since that would pretty much ruin it.

The economics of a LARGE quantity may need to be considered as well. A good friend of mine was put in charge of drying a warehouse full of of sapwood maple...a product which is notorious for checking, but is very useful for guitar necks. He didn't coat the ends at all...but he DID monitor the humidity of the room very closely, bringing down the overall humidity over a period of more than two, maybe even three months. No checking at all. His bosses thought this was taking too long, so he created a kiln drying system. Kiln dried lumber ends up case hardened and needs to be end sealed with heat resistant sealer before the week long process of kiln drying is carried out. They lose a quarter of their lumber in the process and the balance is less satisfactory than air dried. But they made their shipping dates! They thought it was worth it, and I got a large quantity of quarter sawn figured birds eye maple for my wood stove. Economies of businesses are funny things. Broke my heart to be tossing birds eye maple into the fire.

If you are just storing some wood to use as a hobby project, then pay the money to get a professional wood sealer made for the purpose. Any lumber yard or hardware store will carry it. I only bother sealing my wood if it is an exotic timber that I can't afford to lose any part of. A year outside in the shed will season it nicely, and any cheap oil paint or stain I can dip the ends in will be fine.

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#18
In reply to #17

Re: Sealant for end grain of wood and bamboo

09/23/2008 1:53 PM

Hello Yusef1,

Good points all.

I've used all manner of sealers depending upon the end use too.

Buttermilk blended with cornstarch works great even when left outside. In past was preferred as wooden fence protection.

Watered down Elmer's glue depending on use and storage environment.

Water based sanding sealers work well.

Some old timers used animal blood.

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#19

Re: Sealant for end grain of wood and bamboo

09/23/2008 6:48 PM

Id that all your doing? Trying to prevent the ends from spliting out?

I thought you wanted to seal the end to hold so,e type od liquid or water.

USE MASKING TAPE ON THE ENDS TO CONTROL SPLITING OUT.

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#20
In reply to #19

Re: Sealant for end grain of wood and bamboo

09/23/2008 7:07 PM

A spray or brush is needed; maybe liquid band aid

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#21
In reply to #20

Re: Sealant for end grain of wood and bamboo

09/23/2008 9:37 PM

or even a reuseable plastic stay tie

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