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Thread: Drying time - fallen trees?
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6th June 2020, 11:04 PM #16
Bees wax is too flexible/soft, paraffin with 5% beeswax is better, but for actual blanks only not logs. For logs, the best is Log Sealer, but if you can't get that use PVA glue.
Normal paint is next to useless as it doesn't stick to wet/green wood and usually too brittle so soon cracks. A rubberised paint can be used as a last resort, as it is more flexible, but generally has trouble sticking and bubbles allowing mould to grow underneath.Neil____________________________________________Every day presents an opportunity to learn something new
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6th June 2020, 11:49 PM #17Senior Member
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7th June 2020, 09:53 AM #18.
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One problem with things like waxes and even Log sealer is the grit can easily embed itself into the sealed ends of the log although this can be gotten around by docking the ends off before milling.
I've experimented with various wax/solvent mixes with limited success.
I've had fair results with multiple coats of plastic paint on trees especially on logs that have been down for some time but I would not buy paint for this purpose. As Neil said, on most freshly fallen trees the paint doesn't adhere all that well but maybe my success is because I usually don't get access to logs immediately after they are felled (maybe two or three weeks after) and this seems to make a difference but just be aware that cracks can start to develop immediately. Not sealing right away can be significant for some trees especially on really hot days as they develop cracks while you watch but for those situations even proper log sealer might not help that much.
For the last few years I've been using BondCrete (it's basically a PVA derivative) and I dilute it with ~50% water.
I first tried it back in 1995 on some large "cookies" (cross cut discs of timber) that I still have stored under the house and they have have only develop a few small cracks - compared to what usually happens, ie fall apart. I stopped using the Bondcrete a few years later because of the cost. In small quantities, Bondcrete from Bunnings is about the same price as Log sealer from Carbatech ( 2L ~$15/L) but a few years back I saw that Bondcrete can be readily purchase in bigger quantities and the last 15L pail I bought from Bunnings was ~$9/L.
If you only have a few logs to mill then I'd just get the Log sealer.
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7th June 2020, 07:28 PM #19
These days I use Parfix PVA (only because Log Sealer has gone up and harder to get), normally $20 for 4L, but on checking noticed it's gone up again Parfix 4L PVA Wood Glue | Bunnings Warehouse.
Neil____________________________________________Every day presents an opportunity to learn something new
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7th June 2020, 09:01 PM #20Senior Member
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8th June 2020, 01:23 PM #21
I often water down the first layer up to 50% to help with penetration but I always use full strength for final (min 2 layers). While out in the dry middle I use it straight as water is precious.
Neil____________________________________________Every day presents an opportunity to learn something new
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8th June 2020, 01:28 PM #22Senior Member
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Cheers Neil - off to Bunnings shortly
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