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Thread: About treated timber
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5th December 2023, 08:39 PM #1Senior Member
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About treated timber
I need to replace a little framing under small ramps I have in front of my shed.
I believe H4 is the right stuff since it sits on the ground. What I'm wondering about is, does the treatment go right through the timber ? So when I cut the timber is it still protected enough to be on the ground ?
Being ramps, the framing will be cut on a shallow angle to form a wedge.
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5th December 2023 08:39 PM # ADSGoogle Adsense Advertisement
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5th December 2023, 09:23 PM #2
Treated hardwood probably not, treated pine possibly, it’s always best to assume not and treat cut surfaces. I would coat it liberally with CN timber oil
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5th December 2023, 10:55 PM #3Senior Member
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Like this 35x70x600 long
ramp.jpg
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5th December 2023, 11:53 PM #4Senior Member
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Can you reverse the cut, so that the cut face is upwards? Then treat that face yourself with a preservative so that the original H4 face is on the ground and you should get much better and longer lasting protection than applying an aftermarket preservative to a cut face on the ground.
Useful info on the variables affecting treated wood at CCA Timber Treatment Information from Outdoor Structures Australia
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6th December 2023, 08:04 AM #5Senior Member
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Not without buying a much wider timber and then there'd be more wastage.
I'm now wondering if I should just expect to replace the timber every few years or remake the ramps using gal steel angle underneath.
The decking timber on top is still ok.
20231206_075836.jpg
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6th December 2023, 01:33 PM #6GOLD MEMBER
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I'd leave the H4 timbers uncut and dig out trenches in the ground to receive them.
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6th December 2023, 01:44 PM #7
Get wider timber, for example, 140 x 35 x 600, then rip it diagonally corner to corner, treat cut with preservative if you so desire, then screw decking to retreated cut side.
No wastage at all then.Cheers
DJ
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6th December 2023, 01:53 PM #8
Skip the timber and pour some concrete. For that small amount, you could do it in sections having mixed it in a wheelbarrow.
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6th December 2023, 04:38 PM #9Senior Member
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All good ideas. Thanks
I'll now ponder my next move.
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7th December 2023, 10:11 PM #10Senior Member
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Depending on the width and angle you need for the ramps, could you use something like this? Kerb Ramp Rubber | Enforcer Group
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10th December 2023, 12:54 PM #11Senior Member
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10th December 2023, 01:14 PM #12
Now I see a photo of the problem, I would concrete a ramp. It's simple and durable. Otherwise as was offered before, don't cut the wood but dig a trench to receive them.
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