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Wood Foundations

 
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Old 04-13-2019, 07:22 PM   #21
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Re: Wood Foundations


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Interesting..
I should look into that.

This is just one of several a good friend ,boat enthusiast and engineer shared with me.

https://www.boatus.com/seaworthy/mag...less-steel.asp
So, we need to look into comparisons between stainless and galvanized fasteners in low oxygen environments.
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Old 04-13-2019, 07:32 PM   #22
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Re: Wood Foundations


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So, we need to look into comparisons between stainless and galvanized fasteners in low oxygen environments.


The trouble with galvanized in both of our field is that all it takes is to nick the coating off one spot and Wham,there is the chink in the armor.

I often wondered at the logic of hitting the head of a galvanized nail with a hammer. The very spot closest to the weather now is left vulnerable.
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Old 04-13-2019, 08:08 PM   #23
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Re: Wood Foundations


Theoretically, the bigger concern on wood foundations may be the lumber treatment and how it reacts to the fasteners, being in a perfect world, the outer vapor barrier should be keeping fasteners dry.

Regarding galvanized fasteners being compromised during application, that is also similar to the damage on GRKs, and other coated screws when being driven.
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Old 04-13-2019, 11:47 PM   #24
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Re: Wood Foundations


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This is just one of several a good friend ,boat enthusiast and engineer shared with me.

https://www.boatus.com/seaworthy/mag...less-steel.asp
Wow, great article, very informative.
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Old 04-14-2019, 02:55 PM   #25
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Re: Wood Foundations


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Wow, great article, very informative.



You know Rio; I found that article very informative and also very scary ! In the masonry field,stainless steel has been kinda projected as the belt and suspender approach for masonry anchors. It looks like in reality,it could be one of the least viable materials to use.

As I previously stated,I would definitely classify an anchor embedded in mortar to be low oxygen.
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Old 04-14-2019, 03:38 PM   #26
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Re: Wood Foundations


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You know Rio; I found that article very informative and also very scary ! In the masonry field,stainless steel has been kinda projected as the belt and suspender approach for masonry anchors. It looks like in reality,it could be one of the least viable materials to use.

As I previously stated,I would definitely classify an anchor embedded in mortar to be low oxygen.
I know, it really came as a surprise to me and now I wonder what, if anything, would be a belt and suspenders fastener?
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Old 04-14-2019, 03:49 PM   #27
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Re: Wood Foundations


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I know, it really came as a surprise to me and now I wonder what, if anything, would be a belt and suspenders fastener?



Boy,you are not kidding.
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Old 04-14-2019, 04:21 PM   #28
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Re: Wood Foundations


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Boy,you are not kidding.
Thinking maybe back to hot dipped galvanized?
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Old 04-14-2019, 04:43 PM   #29
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Re: Wood Foundations


Kind of why we need to see some real world studies between the two, IMO.
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Old 04-16-2019, 12:41 AM   #30
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Re: Wood Foundations


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.... I found that article very informative and also very scary ! ....
Scary was the first thought I had too. I've been relying on stainless steel clamps and fasteners in underground (and other) locations for years. I'd hate to have to pull up a well because a clamp or foot valve failed (BTDT).
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Old 04-16-2019, 02:28 AM   #31
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Re: Wood Foundations


I always used copper nails on wooden boats.

Double hot dipped galvanized nails will take a smooth face hammer blow without compromising the zinc. This, however, does depend on the manufacturer.

Every single grip rite galvanized gun nail I have used has poor adhesion of the zinc to the nail. It will shear off easily. Any exposed heads are easily compromised, if they weren't compromised when driven.

I don't think titanium would corrode, but who wants to buy titanium hardware.
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Old 04-16-2019, 02:30 AM   #32
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Re: Wood Foundations


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Scary was the first thought I had too. I've been relying on stainless steel clamps and fasteners in underground (and other) locations for years. I'd hate to have to pull up a well because a clamp or foot valve failed (BTDT).
I ran into the stainless hose clamp, but the screw on it wasn't stainless issue. The screw rusted out in a year on a radiator hose.
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Old 04-16-2019, 05:44 AM   #33
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Re: Wood Foundations


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I ran into the stainless hose clamp, but the screw on it wasn't stainless issue. The screw rusted out in a year on a radiator hose.
yup. Seen that a bunch.
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Old 04-16-2019, 03:33 PM   #34
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Re: Wood Foundations


Stainless hose clamps below grade may or may not be a concern. Reason being,in other articles I read,the stainless will appear outwardly,to be intact,however,for lack of better description,it breaks down inwardly on let's call it a molecular level. That is the insidious reality the boating industry uncovered. The swivels for rigging along with the doohickeys ropes are wrapped around etc. look fine until.........they are not. From what I read regarding boats (I'm not a boater) years ago,bronze was the material of choice. Stainless displaced it because bronze needed polishing,stainless almost always "looked good ".
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Old 04-16-2019, 08:01 PM   #35
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Re: Wood Foundations


A local water system here had to dig up a lot of the lines because gear clamps failed, screws rusted out. Sad... I think it was just an oversight the 20 cents per clamp saved by not going "all stainless" wouldn't have mattered to the original contractor.

I've seen both types of clamps (stainless screw & regular screw) mixed together in the same bin, I check the labels.
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Old 04-17-2019, 12:50 PM   #36
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Re: Wood Foundations


I haven't seen a wood foundation before but I'm curious. How do you level it if it's sitting on gravel?
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Old 04-17-2019, 01:19 PM   #37
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Re: Wood Foundations


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I haven't seen a wood foundation before but I'm curious. How do you level it if it's sitting on gravel?
The gravel bed needs to be level, or foundation walls are istalled on footings.
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Old 04-17-2019, 04:52 PM   #38
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Re: Wood Foundations


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The gravel bed needs to be level, or foundation walls are istalled on footings.
How do you get a level gravel bed? We're talking +- 1/8" accuracy is what I like to see for height. It would be hard to do with a rake.
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Old 04-17-2019, 05:39 PM   #39
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Re: Wood Foundations


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How do you get a level gravel bed? We're talking +- 1/8" accuracy is what I like to see for height. It would be hard to do with a rake.


That is a good question,however,a gravel base is all you get with Superior Walls pre-cast concrete foundations also.
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Old 04-17-2019, 05:39 PM   #40
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Re: Wood Foundations


A Plate tamper/vibrator.... a shovel, the 2x8-10- 12" treated mud sill.

Tamp rock, set plate, check level, Similar to screeding concrete bases, Repeat as needed, Drive in rebar elevation pins, avoid drain tiles, screed to pins, don't molest pins, or recheck as needed.

I'd "tea bag" the rock in clayey soils to add decades of flow through the tile and rock and reduce earth movement/settlement.

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