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Old 02-06-2011, 02:43 PM   #1
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deck surface layer fastening


is it OK to use a framing nailer with 2-3/8 hot-dipped galvanized nails to fasten 5/4" decking boards to joists?

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Old 02-06-2011, 06:49 PM   #2
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deck surface layer fastening


Nailing works but screwing is better.

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Old 02-07-2011, 03:12 AM   #3
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deck surface layer fastening


should i use Simpson screws with flat heads (as opposed to hex ones for the structural parts of the deck) ?
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Old 02-07-2011, 03:38 AM   #4
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should i use Simpson screws with flat heads (as opposed to hex ones for the structural parts of the deck) ?
deck screws should do the trick typically brown, green, or stainless. stainless obviously the longest lasting (and most expensive) option...
I often use trim heads, but depends on the type of decking.



there are fancier brand-name screws out there too like GRK, split-stop, etc..

Last edited by fungku; 02-07-2011 at 03:49 AM.
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Old 02-07-2011, 12:49 PM   #5
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should i use Simpson screws with flat heads (as opposed to hex ones for the structural parts of the deck) ?
For the structural parts of the deck you need to use 10d and 16d galvanized nails or hex head structural screws.
Do not use deck screws or structural screws to attach joist hangers use recommended nails.

And BTW, carriage bolts are not to be used to fasten ledger board to concrete, you need to use and alternate galvanized wedge anchors.

Good luck with your project.
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Old 02-07-2011, 01:23 PM   #6
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deck surface layer fastening


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And BTW, carriage bolts are not to be used to fasten ledger board to concrete, you need to use and alternate galvanized wedge anchors.
i realized that but it's too late know since i set them in already with anchoring epoxy. the good thing is that i don't rely on the ledger for structural support a whole lot because i have two double 2x8 girders between it and the shed ledger, over the 90" span. i set the bolts in over 3 months ago and there is no signs of rusting and weakening so, hopefully, it will last 10-15 years or more, what do you think?
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Old 02-07-2011, 02:07 PM   #7
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deck surface layer fastening


Let me guess Sika anchoring adhesive ?
Yeah thats fine you shouldnt have any problems for probably next 50 + years.
What is the girder resting on ?
Amakarevic is that your last name ?
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Old 02-07-2011, 03:07 PM   #8
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deck surface layer fastening


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Originally Posted by SteelToes View Post
Let me guess Sika anchoring adhesive ?
Yeah thats fine you shouldnt have any problems for probably next 50 + years.
What is the girder resting on ?
Amakarevic is that your last name ?
yesir, Sika... that stuff is ridiculously solid.

the two girders are both doubled up 2x8 and one rests on 4, the other on 3 3ft deep concrete piers that are all 12" in diameter. since they needed to be elevated some because of the overall deck height, i used 6x6 posts anchored into the piers with those very expensive decking connectors ($20 OMG).

i am using more than two piers/posts for the girders because they are 2x8 but span more than 8 ft (136"). so the load balancing is pretty darn solid. the one that uses 4 supports the stairs, hence the extra one.

thanks for all your help.

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Old 02-07-2011, 03:08 PM   #9
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Amakarevic is that your last name ?
Makarevic is my last name.
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Old 02-07-2011, 03:16 PM   #10
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deck surface layer fastening


12" piers wow , just make sure you have some type of landscaping fabric under to prevent weeds from growing under and it looks like you are all set , you are welcome and good luck with your project

Last edited by SteelToes; 02-07-2011 at 03:57 PM. Reason: .
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Old 02-07-2011, 05:32 PM   #11
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deck surface layer fastening


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Originally Posted by amakarevic View Post
i realized that but it's too late know since i set them in already with anchoring epoxy. the good thing is that i don't rely on the ledger for structural support a whole lot because i have two double 2x8 girders between it and the shed ledger, over the 90" span. i set the bolts in over 3 months ago and there is no signs of rusting and weakening so, hopefully, it will last 10-15 years or more, what do you think?
Actually, you installed one of the three correct types of anchors into concrete; 1/2" min. (1) adhesive, (2) epoxy, or (3) expansion anchor, with washers; fig #15, and footnotes of fig. #19 here; http://www.lancova.com/deckinfo.pdf

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Old 02-14-2011, 02:17 PM   #12
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deck surface layer fastening


I disagree.
Actually sika anchoring adhesive is approved for only short term load and it should not be used in sustained tensile loads.
Now he's using a carriage bolt that is smooth and with no "deformation" in other words he's using a smooth bar not a "deformed" bar or rebar.
What do you think it happens over time with expansion and contraction of concrete and smooth steel?
Rood loses bond from the anchoring adhesive and it results in a 0 tensile bond to the substrate.
Now in his situation deck is tied to the opposing shed and there is no worries.
But if he had used an anchoring adhesive on a 2 story porch that attaches to the concrete structure it would be a different story.
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Old 02-14-2011, 03:44 PM   #13
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deck surface layer fastening


Quote:
Originally Posted by SteelToes View Post
Let me guess Sika anchoring adhesive ?
Yeah thats fine you shouldnt have any problems for probably next 50 + years.

What is the girder resting on ?
Amakarevic is that your last name ?
Quote:
Originally Posted by SteelToes View Post
I disagree.
Actually sika anchoring adhesive is approved for only short term load and it should not be used in sustained tensile loads.

Now he's using a carriage bolt that is smooth and with no "deformation" in other words he's using a smooth bar not a "deformed" bar or rebar.
What do you think it happens over time with expansion and contraction of concrete and smooth steel?
Rood loses bond from the anchoring adhesive and it results in a 0 tensile bond to the substrate.
Now in his situation deck is tied to the opposing shed and there is no worries.
But if he had used an anchoring adhesive on a 2 story porch that attaches to the concrete structure it would be a different story.

maybe you should start a debate with yourself about this
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Old 02-14-2011, 03:48 PM   #14
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deck surface layer fastening


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maybe you should start a debate with yourself about this

Now in his situation deck is tied to the opposing shed and there is no worries.
But if he had used an anchoring adhesive on a 2 story porch that attaches to the concrete structure it would be a different story.
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Old 02-15-2011, 08:20 PM   #15
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deck surface layer fastening


i doubt it will detach in the next 100 yrs

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