Are pressure-treated posts that have been submerged for a few days ruined?Should I set fence posts in dirt, gravel, crushed rock, or concrete?How can I join 2x6 pressure treated wood for a shed base?Should I use pressure-treated wood for a firewood shed?Is it safe to use pressure-treated wood for a workbench in my shed?Should raw timber be treated for use as in-ground posts?Which wood fence boards will last longer, pressure-treated-lumber or non-treated lumber that has a treatment applied after the fence is built?
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Are pressure-treated posts that have been submerged for a few days ruined?
Should I set fence posts in dirt, gravel, crushed rock, or concrete?How can I join 2x6 pressure treated wood for a shed base?Should I use pressure-treated wood for a firewood shed?Is it safe to use pressure-treated wood for a workbench in my shed?Should raw timber be treated for use as in-ground posts?Which wood fence boards will last longer, pressure-treated-lumber or non-treated lumber that has a treatment applied after the fence is built?
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I dug holes for four 8' 4x4 posts, and had the posts positioned and plumbed vertically in the holes, but had to leave for a couple days before I could concrete them in.
In the meantime, storms came and filled the holes. The ends of the posts have been sitting in that water now for 2 days. Are the posts ruined? I've thought about flipping them over to be sure, but if they're done for, no problem, I can use them for other stuff if I have to.
Thanks!
water-damage pressure-treated
edited May 2 at 19:28
isherwood
58.9k5 gold badges70 silver badges155 bronze badges
asked May 2 at 19:11
Kerry ThomasKerry Thomas
1822 silver badges11 bronze badges
add a comment
|
I dug holes for four 8' 4x4 posts, and had the posts positioned and plumbed vertically in the holes, but had to leave for a couple days before I could concrete them in.
In the meantime, storms came and filled the holes. The ends of the posts have been sitting in that water now for 2 days. Are the posts ruined? I've thought about flipping them over to be sure, but if they're done for, no problem, I can use them for other stuff if I have to.
Thanks!
water-damage pressure-treated
edited May 2 at 19:28
isherwood
58.9k5 gold badges70 silver badges155 bronze badges
asked May 2 at 19:11
Kerry ThomasKerry Thomas
1822 silver badges11 bronze badges
What sort of pressure treatment? Above ground use only or ground contact?
– Kevin McKenzie
May 2 at 19:17
3
Doesn't really matter over a few days.
– isherwood
May 2 at 19:53
@KevinMcKenzie, ground contact
– Kerry Thomas
May 2 at 20:45
1
Unasked followon - all you need to do now is let the rainwater drain away, and make sure there's no muck dropped into the bottom of the hole, If you have room a trowel should be enough to get by the post without re-truing it. Then once its dried out enough get on with the concrete.
– Criggie
May 3 at 0:41
1
Concrete absorbs water too. Its presence won't protect wood from moisture over the long term. That's why the posts have to be treated to survive (or could be some species of naturally decay-resistant wood).
– DaveInCaz
May 3 at 17:44
add a comment
|
I dug holes for four 8' 4x4 posts, and had the posts positioned and plumbed vertically in the holes, but had to leave for a couple days before I could concrete them in.
In the meantime, storms came and filled the holes. The ends of the posts have been sitting in that water now for 2 days. Are the posts ruined? I've thought about flipping them over to be sure, but if they're done for, no problem, I can use them for other stuff if I have to.
Thanks!
water-damage pressure-treated
edited May 2 at 19:28
isherwood
58.9k5 gold badges70 silver badges155 bronze badges
asked May 2 at 19:11
Kerry ThomasKerry Thomas
1822 silver badges11 bronze badges
I dug holes for four 8' 4x4 posts, and had the posts positioned and plumbed vertically in the holes, but had to leave for a couple days before I could concrete them in.
In the meantime, storms came and filled the holes. The ends of the posts have been sitting in that water now for 2 days. Are the posts ruined? I've thought about flipping them over to be sure, but if they're done for, no problem, I can use them for other stuff if I have to.
Thanks!
water-damage pressure-treated
water-damage pressure-treated
edited May 2 at 19:28
isherwood
58.9k5 gold badges70 silver badges155 bronze badges
asked May 2 at 19:11
Kerry ThomasKerry Thomas
1822 silver badges11 bronze badges
edited May 2 at 19:28
isherwood
58.9k5 gold badges70 silver badges155 bronze badges
asked May 2 at 19:11
Kerry ThomasKerry Thomas
1822 silver badges11 bronze badges
edited May 2 at 19:28
isherwood
58.9k5 gold badges70 silver badges155 bronze badges
edited May 2 at 19:28
isherwood
58.9k5 gold badges70 silver badges155 bronze badges
edited May 2 at 19:28
isherwood
58.9k5 gold badges70 silver badges155 bronze badges
58.9k5 gold badges70 silver badges155 bronze badges
asked May 2 at 19:11
Kerry ThomasKerry Thomas
1822 silver badges11 bronze badges
asked May 2 at 19:11
Kerry ThomasKerry Thomas
1822 silver badges11 bronze badges
asked May 2 at 19:11
Kerry ThomasKerry Thomas
1822 silver badges11 bronze badges
1822 silver badges11 bronze badges
What sort of pressure treatment? Above ground use only or ground contact?
– Kevin McKenzie
May 2 at 19:17
3
Doesn't really matter over a few days.
– isherwood
May 2 at 19:53
@KevinMcKenzie, ground contact
– Kerry Thomas
May 2 at 20:45
1
Unasked followon - all you need to do now is let the rainwater drain away, and make sure there's no muck dropped into the bottom of the hole, If you have room a trowel should be enough to get by the post without re-truing it. Then once its dried out enough get on with the concrete.
– Criggie
May 3 at 0:41
1
Concrete absorbs water too. Its presence won't protect wood from moisture over the long term. That's why the posts have to be treated to survive (or could be some species of naturally decay-resistant wood).
– DaveInCaz
May 3 at 17:44
add a comment
|
What sort of pressure treatment? Above ground use only or ground contact?
– Kevin McKenzie
May 2 at 19:17
3
Doesn't really matter over a few days.
– isherwood
May 2 at 19:53
@KevinMcKenzie, ground contact
– Kerry Thomas
May 2 at 20:45
1
Unasked followon - all you need to do now is let the rainwater drain away, and make sure there's no muck dropped into the bottom of the hole, If you have room a trowel should be enough to get by the post without re-truing it. Then once its dried out enough get on with the concrete.
– Criggie
May 3 at 0:41
1
Concrete absorbs water too. Its presence won't protect wood from moisture over the long term. That's why the posts have to be treated to survive (or could be some species of naturally decay-resistant wood).
– DaveInCaz
May 3 at 17:44
What sort of pressure treatment? Above ground use only or ground contact?
– Kevin McKenzie
May 2 at 19:17
What sort of pressure treatment? Above ground use only or ground contact?
– Kevin McKenzie
May 2 at 19:17
3
3
Doesn't really matter over a few days.
– isherwood
May 2 at 19:53
Doesn't really matter over a few days.
– isherwood
May 2 at 19:53
@KevinMcKenzie, ground contact
– Kerry Thomas
May 2 at 20:45
@KevinMcKenzie, ground contact
– Kerry Thomas
May 2 at 20:45
1
1
Unasked followon - all you need to do now is let the rainwater drain away, and make sure there's no muck dropped into the bottom of the hole, If you have room a trowel should be enough to get by the post without re-truing it. Then once its dried out enough get on with the concrete.
– Criggie
May 3 at 0:41
Unasked followon - all you need to do now is let the rainwater drain away, and make sure there's no muck dropped into the bottom of the hole, If you have room a trowel should be enough to get by the post without re-truing it. Then once its dried out enough get on with the concrete.
– Criggie
May 3 at 0:41
1
1
Concrete absorbs water too. Its presence won't protect wood from moisture over the long term. That's why the posts have to be treated to survive (or could be some species of naturally decay-resistant wood).
– DaveInCaz
May 3 at 17:44
Concrete absorbs water too. Its presence won't protect wood from moisture over the long term. That's why the posts have to be treated to survive (or could be some species of naturally decay-resistant wood).
– DaveInCaz
May 3 at 17:44
add a comment
|
2 Answers
2
active
oldest
votes
Pressure treated wood can handle submersion. Many folks just pack rock around the post, so they are always in water after rain. You should be fine to go ahead and pour your concrete with no worries.
edited May 2 at 22:05
yoozer8
1531 silver badge11 bronze badges
answered May 2 at 19:26
Ed BealEd Beal
41.2k1 gold badge27 silver badges59 bronze badges
2
Remembering, of course to provide open drainage at the bottom of the concrete rather than a cloced 'bucket'.
– Sean Houlihane
May 3 at 9:10
1
@SeanHoulihane Why? Submersion in water doesn't cause posts to rot - it's exposure to water and air. A rotted post will be rotten six inches to a foot (150mm-300mm) either side of ground level, and fine outside that range.
– Martin Bonner
May 3 at 12:00
2
diy.stackexchange.com/a/246/54122
– Sean Houlihane
May 3 at 12:53
add a comment
|
Pressure-treated lumber is pressure-treated by... wait for it... submersion. It was literally dunked in a vat of liquid. The vat was sealed and pressurized, forcing the liquid to enter the wood. It was then not kiln dried.
Your lumber is in roughly the same condition it was in when you purchased it. Also, it would have been just as wet even if there had been soil (or concrete) in the hole along with it.
answered May 2 at 19:30
isherwoodisherwood
58.9k5 gold badges70 silver badges155 bronze badges
7
No wonder it's so dang heavy!! :-)
– Kerry Thomas
May 2 at 19:31
21
I assume you are correct in your final verdict, but arguing that wood treatment involving submersion in some undisclosed liquid means submersion in water of the final product is fine is a bad argument. I can easily make things with submersion in any number of liquids as a part of the manufacturing process that cant handle submersion in water upon completion.
– Matt
May 3 at 3:26
@Matt True in principle, but "Usually, water solutions of preservative salts are employed with this process" (even though oils are possible).
– Peter A. Schneider
May 3 at 12:08
For example, Matt? Since wood isn't "manufactured" in a strict sense, that argument isn't worth much. Its properties are pretty well known.
– isherwood
May 3 at 12:44
4
@isherwood Wood isnt manufactured, but pressure treated boards certainly are manufactured, which is what we are discussing. Examples of manufactured products with liquid submersion as a step that dont work well long-term in water upon completion include any quenched metal blades, most electronics, and many foods.
– Matt
May 3 at 15:18
|
show 1 more comment
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
Pressure treated wood can handle submersion. Many folks just pack rock around the post, so they are always in water after rain. You should be fine to go ahead and pour your concrete with no worries.
edited May 2 at 22:05
yoozer8
1531 silver badge11 bronze badges
answered May 2 at 19:26
Ed BealEd Beal
41.2k1 gold badge27 silver badges59 bronze badges
2
Remembering, of course to provide open drainage at the bottom of the concrete rather than a cloced 'bucket'.
– Sean Houlihane
May 3 at 9:10
1
@SeanHoulihane Why? Submersion in water doesn't cause posts to rot - it's exposure to water and air. A rotted post will be rotten six inches to a foot (150mm-300mm) either side of ground level, and fine outside that range.
– Martin Bonner
May 3 at 12:00
2
diy.stackexchange.com/a/246/54122
– Sean Houlihane
May 3 at 12:53
add a comment
|
Pressure treated wood can handle submersion. Many folks just pack rock around the post, so they are always in water after rain. You should be fine to go ahead and pour your concrete with no worries.
edited May 2 at 22:05
yoozer8
1531 silver badge11 bronze badges
answered May 2 at 19:26
Ed BealEd Beal
41.2k1 gold badge27 silver badges59 bronze badges
2
Remembering, of course to provide open drainage at the bottom of the concrete rather than a cloced 'bucket'.
– Sean Houlihane
May 3 at 9:10
1
@SeanHoulihane Why? Submersion in water doesn't cause posts to rot - it's exposure to water and air. A rotted post will be rotten six inches to a foot (150mm-300mm) either side of ground level, and fine outside that range.
– Martin Bonner
May 3 at 12:00
2
diy.stackexchange.com/a/246/54122
– Sean Houlihane
May 3 at 12:53
add a comment
|
Pressure treated wood can handle submersion. Many folks just pack rock around the post, so they are always in water after rain. You should be fine to go ahead and pour your concrete with no worries.
edited May 2 at 22:05
yoozer8
1531 silver badge11 bronze badges
answered May 2 at 19:26
Ed BealEd Beal
41.2k1 gold badge27 silver badges59 bronze badges
Pressure treated wood can handle submersion. Many folks just pack rock around the post, so they are always in water after rain. You should be fine to go ahead and pour your concrete with no worries.
edited May 2 at 22:05
yoozer8
1531 silver badge11 bronze badges
answered May 2 at 19:26
Ed BealEd Beal
41.2k1 gold badge27 silver badges59 bronze badges
edited May 2 at 22:05
yoozer8
1531 silver badge11 bronze badges
edited May 2 at 22:05
yoozer8
1531 silver badge11 bronze badges
edited May 2 at 22:05
yoozer8
1531 silver badge11 bronze badges
1531 silver badge11 bronze badges
answered May 2 at 19:26
Ed BealEd Beal
41.2k1 gold badge27 silver badges59 bronze badges
answered May 2 at 19:26
Ed BealEd Beal
41.2k1 gold badge27 silver badges59 bronze badges
answered May 2 at 19:26
Ed BealEd Beal
41.2k1 gold badge27 silver badges59 bronze badges
41.2k1 gold badge27 silver badges59 bronze badges
2
Remembering, of course to provide open drainage at the bottom of the concrete rather than a cloced 'bucket'.
– Sean Houlihane
May 3 at 9:10
1
@SeanHoulihane Why? Submersion in water doesn't cause posts to rot - it's exposure to water and air. A rotted post will be rotten six inches to a foot (150mm-300mm) either side of ground level, and fine outside that range.
– Martin Bonner
May 3 at 12:00
2
diy.stackexchange.com/a/246/54122
– Sean Houlihane
May 3 at 12:53
add a comment
|
2
Remembering, of course to provide open drainage at the bottom of the concrete rather than a cloced 'bucket'.
– Sean Houlihane
May 3 at 9:10
1
@SeanHoulihane Why? Submersion in water doesn't cause posts to rot - it's exposure to water and air. A rotted post will be rotten six inches to a foot (150mm-300mm) either side of ground level, and fine outside that range.
– Martin Bonner
May 3 at 12:00
2
diy.stackexchange.com/a/246/54122
– Sean Houlihane
May 3 at 12:53
2
2
Remembering, of course to provide open drainage at the bottom of the concrete rather than a cloced 'bucket'.
– Sean Houlihane
May 3 at 9:10
Remembering, of course to provide open drainage at the bottom of the concrete rather than a cloced 'bucket'.
– Sean Houlihane
May 3 at 9:10
1
1
@SeanHoulihane Why? Submersion in water doesn't cause posts to rot - it's exposure to water and air. A rotted post will be rotten six inches to a foot (150mm-300mm) either side of ground level, and fine outside that range.
– Martin Bonner
May 3 at 12:00
@SeanHoulihane Why? Submersion in water doesn't cause posts to rot - it's exposure to water and air. A rotted post will be rotten six inches to a foot (150mm-300mm) either side of ground level, and fine outside that range.
– Martin Bonner
May 3 at 12:00
2
2
diy.stackexchange.com/a/246/54122
– Sean Houlihane
May 3 at 12:53
diy.stackexchange.com/a/246/54122
– Sean Houlihane
May 3 at 12:53
add a comment
|
Pressure-treated lumber is pressure-treated by... wait for it... submersion. It was literally dunked in a vat of liquid. The vat was sealed and pressurized, forcing the liquid to enter the wood. It was then not kiln dried.
Your lumber is in roughly the same condition it was in when you purchased it. Also, it would have been just as wet even if there had been soil (or concrete) in the hole along with it.
answered May 2 at 19:30
isherwoodisherwood
58.9k5 gold badges70 silver badges155 bronze badges
7
No wonder it's so dang heavy!! :-)
– Kerry Thomas
May 2 at 19:31
21
I assume you are correct in your final verdict, but arguing that wood treatment involving submersion in some undisclosed liquid means submersion in water of the final product is fine is a bad argument. I can easily make things with submersion in any number of liquids as a part of the manufacturing process that cant handle submersion in water upon completion.
– Matt
May 3 at 3:26
@Matt True in principle, but "Usually, water solutions of preservative salts are employed with this process" (even though oils are possible).
– Peter A. Schneider
May 3 at 12:08
For example, Matt? Since wood isn't "manufactured" in a strict sense, that argument isn't worth much. Its properties are pretty well known.
– isherwood
May 3 at 12:44
4
@isherwood Wood isnt manufactured, but pressure treated boards certainly are manufactured, which is what we are discussing. Examples of manufactured products with liquid submersion as a step that dont work well long-term in water upon completion include any quenched metal blades, most electronics, and many foods.
– Matt
May 3 at 15:18
|
show 1 more comment
Pressure-treated lumber is pressure-treated by... wait for it... submersion. It was literally dunked in a vat of liquid. The vat was sealed and pressurized, forcing the liquid to enter the wood. It was then not kiln dried.
Your lumber is in roughly the same condition it was in when you purchased it. Also, it would have been just as wet even if there had been soil (or concrete) in the hole along with it.
answered May 2 at 19:30
isherwoodisherwood
58.9k5 gold badges70 silver badges155 bronze badges
7
No wonder it's so dang heavy!! :-)
– Kerry Thomas
May 2 at 19:31
21
I assume you are correct in your final verdict, but arguing that wood treatment involving submersion in some undisclosed liquid means submersion in water of the final product is fine is a bad argument. I can easily make things with submersion in any number of liquids as a part of the manufacturing process that cant handle submersion in water upon completion.
– Matt
May 3 at 3:26
@Matt True in principle, but "Usually, water solutions of preservative salts are employed with this process" (even though oils are possible).
– Peter A. Schneider
May 3 at 12:08
For example, Matt? Since wood isn't "manufactured" in a strict sense, that argument isn't worth much. Its properties are pretty well known.
– isherwood
May 3 at 12:44
4
@isherwood Wood isnt manufactured, but pressure treated boards certainly are manufactured, which is what we are discussing. Examples of manufactured products with liquid submersion as a step that dont work well long-term in water upon completion include any quenched metal blades, most electronics, and many foods.
– Matt
May 3 at 15:18
|
show 1 more comment
Pressure-treated lumber is pressure-treated by... wait for it... submersion. It was literally dunked in a vat of liquid. The vat was sealed and pressurized, forcing the liquid to enter the wood. It was then not kiln dried.
Your lumber is in roughly the same condition it was in when you purchased it. Also, it would have been just as wet even if there had been soil (or concrete) in the hole along with it.
answered May 2 at 19:30
isherwoodisherwood
58.9k5 gold badges70 silver badges155 bronze badges
Pressure-treated lumber is pressure-treated by... wait for it... submersion. It was literally dunked in a vat of liquid. The vat was sealed and pressurized, forcing the liquid to enter the wood. It was then not kiln dried.
Your lumber is in roughly the same condition it was in when you purchased it. Also, it would have been just as wet even if there had been soil (or concrete) in the hole along with it.
answered May 2 at 19:30
isherwoodisherwood
58.9k5 gold badges70 silver badges155 bronze badges
edited May 2 at 20:17
answered May 2 at 19:30
isherwoodisherwood
58.9k5 gold badges70 silver badges155 bronze badges
answered May 2 at 19:30
isherwoodisherwood
58.9k5 gold badges70 silver badges155 bronze badges
answered May 2 at 19:30
isherwoodisherwood
58.9k5 gold badges70 silver badges155 bronze badges
58.9k5 gold badges70 silver badges155 bronze badges
7
No wonder it's so dang heavy!! :-)
– Kerry Thomas
May 2 at 19:31
21
I assume you are correct in your final verdict, but arguing that wood treatment involving submersion in some undisclosed liquid means submersion in water of the final product is fine is a bad argument. I can easily make things with submersion in any number of liquids as a part of the manufacturing process that cant handle submersion in water upon completion.
– Matt
May 3 at 3:26
@Matt True in principle, but "Usually, water solutions of preservative salts are employed with this process" (even though oils are possible).
– Peter A. Schneider
May 3 at 12:08
For example, Matt? Since wood isn't "manufactured" in a strict sense, that argument isn't worth much. Its properties are pretty well known.
– isherwood
May 3 at 12:44
4
@isherwood Wood isnt manufactured, but pressure treated boards certainly are manufactured, which is what we are discussing. Examples of manufactured products with liquid submersion as a step that dont work well long-term in water upon completion include any quenched metal blades, most electronics, and many foods.
– Matt
May 3 at 15:18
|
show 1 more comment
7
No wonder it's so dang heavy!! :-)
– Kerry Thomas
May 2 at 19:31
21
I assume you are correct in your final verdict, but arguing that wood treatment involving submersion in some undisclosed liquid means submersion in water of the final product is fine is a bad argument. I can easily make things with submersion in any number of liquids as a part of the manufacturing process that cant handle submersion in water upon completion.
– Matt
May 3 at 3:26
@Matt True in principle, but "Usually, water solutions of preservative salts are employed with this process" (even though oils are possible).
– Peter A. Schneider
May 3 at 12:08
For example, Matt? Since wood isn't "manufactured" in a strict sense, that argument isn't worth much. Its properties are pretty well known.
– isherwood
May 3 at 12:44
4
@isherwood Wood isnt manufactured, but pressure treated boards certainly are manufactured, which is what we are discussing. Examples of manufactured products with liquid submersion as a step that dont work well long-term in water upon completion include any quenched metal blades, most electronics, and many foods.
– Matt
May 3 at 15:18
7
7
No wonder it's so dang heavy!! :-)
– Kerry Thomas
May 2 at 19:31
No wonder it's so dang heavy!! :-)
– Kerry Thomas
May 2 at 19:31
21
21
I assume you are correct in your final verdict, but arguing that wood treatment involving submersion in some undisclosed liquid means submersion in water of the final product is fine is a bad argument. I can easily make things with submersion in any number of liquids as a part of the manufacturing process that cant handle submersion in water upon completion.
– Matt
May 3 at 3:26
I assume you are correct in your final verdict, but arguing that wood treatment involving submersion in some undisclosed liquid means submersion in water of the final product is fine is a bad argument. I can easily make things with submersion in any number of liquids as a part of the manufacturing process that cant handle submersion in water upon completion.
– Matt
May 3 at 3:26
@Matt True in principle, but "Usually, water solutions of preservative salts are employed with this process" (even though oils are possible).
– Peter A. Schneider
May 3 at 12:08
@Matt True in principle, but "Usually, water solutions of preservative salts are employed with this process" (even though oils are possible).
– Peter A. Schneider
May 3 at 12:08
For example, Matt? Since wood isn't "manufactured" in a strict sense, that argument isn't worth much. Its properties are pretty well known.
– isherwood
May 3 at 12:44
For example, Matt? Since wood isn't "manufactured" in a strict sense, that argument isn't worth much. Its properties are pretty well known.
– isherwood
May 3 at 12:44
4
4
@isherwood Wood isnt manufactured, but pressure treated boards certainly are manufactured, which is what we are discussing. Examples of manufactured products with liquid submersion as a step that dont work well long-term in water upon completion include any quenched metal blades, most electronics, and many foods.
– Matt
May 3 at 15:18
@isherwood Wood isnt manufactured, but pressure treated boards certainly are manufactured, which is what we are discussing. Examples of manufactured products with liquid submersion as a step that dont work well long-term in water upon completion include any quenched metal blades, most electronics, and many foods.
– Matt
May 3 at 15:18
|
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What sort of pressure treatment? Above ground use only or ground contact?
– Kevin McKenzie
May 2 at 19:17
3
Doesn't really matter over a few days.
– isherwood
May 2 at 19:53
@KevinMcKenzie, ground contact
– Kerry Thomas
May 2 at 20:45
1
Unasked followon - all you need to do now is let the rainwater drain away, and make sure there's no muck dropped into the bottom of the hole, If you have room a trowel should be enough to get by the post without re-truing it. Then once its dried out enough get on with the concrete.
– Criggie
May 3 at 0:41
1
Concrete absorbs water too. Its presence won't protect wood from moisture over the long term. That's why the posts have to be treated to survive (or could be some species of naturally decay-resistant wood).
– DaveInCaz
May 3 at 17:44