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[Terbs]

If you buy treated timber, how far into the wood does the treatment penetrate.
I have bought Wickes 4x4 fence posts, gravel boards, arris rails and featheredge boards. They have to be cut down, so have exposed edges. Will the weather get in where timber has been cut. In the case of the posts, is it best to put cut end in the ground or the non cut end. Same with feather edge, cut end against the gravel board, or the other way up.
TIA 

[RossPhim]

Anything that you cut will need treated again!
Are you planning to stain / colour etc once finished?
If so then use whatever you plan to cover the cut ends!
HTH

[Terbs]

Hadn't planned on colour.....yet. Was just going to leave it natural

[EMD]

I can recommend Barrettine Wood Protective Treatment terbert , used it before and it really penetrates the wood unlike the ones that you have to keep re painting every year 

[amba]

If you cut the posts get some creosote in a metal bucket and stand the post,cut end down into it for day or so allowing the stuff to be drawn into the wood.

Old fashion creosote is far better and will protect it for many years even below ground level however most modern cut timbers now arent well treated anyway.Wear gloves with proper creosote though,and it does stink 

[redelitev6]

If you cut the posts get some creosote in a metal bucket and stand the post,cut end down into it for day or so allowing the stuff to be drawn into the wood.

Old fashion creosote is far better and will protect it for many years even below ground level however most modern cut timbers now arent well treated anyway.Wear gloves with proper creosote though,and it does stink

Creosote is good stuff but as rare as hens teeth these days , the dreaded health and safety issues come into play 

[Terbs]

This is probably a silly question....but I have some oil here from my oil changes....would that soak into the posts

[r1]

about 12 years ago I helped but a fence up and the guy insisted in wrapping the post end that was in the ground in bin liners to stop the soil/water rotting the posts don't know if it does any good but the fence is still standing.

[BazaJT]

You could use your old engine oil.I did many years ago and it worked very well.However nowadays as with creosote I imagine health and safety issues would come into play.

[biggriffin]

If you buy treated timber, how far into the wood does the treatment penetrate.
I have bought Wickes  fence posts, gravel boards, arris rails and featheredge boards. They have to be cut down, so have exposed edges. Will the weather get in where timber has been cut. In the case of the posts, is it best to put cut end in the ground or the non cut end. Same with feather edge, cut end against the gravel board, or the other way up.
TIA 

Concrete post's only way to go.

[baggedestate]

i work in a timber yard and once its been cut its needs treating again. im pretty sure places like wickes etc should sell stuff to retreat it

[Terbs]

Thanks for all the advice and tips, chaps.
I shall be integrating your ideas into my fence construction. As regards H & S....up theirs

[Mr Skrunts]

I bought a shed a few years ago, nipped in to ask them to ply wood the floor before delivery.  As I arrived I saw they dipped each shed panel in a very watery dip in a tank/tray they had made.  They dipped it straight in and out then left it to drip dry above the tray.

So if thats how they treat sheds then I would assume the fence panels and posts are done the same. (So that the wood does'nt absorb too much liquid)

Also many years ago a joiner that made some fencing for us (over 80') and soaked the posts overnight in some barrels he brought, not sure what was in the mix but I am sure some of the posts are still staning and they were done in the early 80's (fencing did'nt last due to not being retreated)

My current neighber installed fencing all round her garden just before I moved in around june 2009 and the posts are allready starting to fail, one has allready broke, admitted these are 6' tall feance posts and panels, our garden they were only 3' tall.


Preparation, take time , do the job thoroughly. 

[Bigron]

Isn't there a process whereby preservative is forced into the wood under pressure so that it penetrates more deeply into the wood? It isn't my area of expertise, but I do seem to recall hearing about that treatment.

Ron.

[STEMO]

Isn't there a process whereby preservative is forced into the wood under pressure so that it penetrates more deeply into the wood? It isn't my area of expertise, but I do seem to recall hearing about that treatment.

Ron.

Tanalised timber, lots of fence panel suppliers claim their products have been pressure treated.....whether they have or not...