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Old 12-30-2010, 01:38 PM   #1
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anchoring PT 2x4 sole plates into concrete for a shed


hi, i am just about to set the frame for me 11x9 shed into its concrete foundation. i was gonna use 1/2x8 decking bolts ($2.79 each, ouch!). was wondering how many bolts i should use on each plate, i.e. how spread apart they should be. my gut feeling was about 4 on each side spaced evenly, will that be OK or should i use more?

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Old 12-30-2010, 01:55 PM   #2
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anchoring PT 2x4 sole plates into concrete for a shed


You don't need 8" long bolts for this. 6" is more then enough. Putting the number of bolts that you planned is fine.
Ron

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Old 12-30-2010, 02:01 PM   #3
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anchoring PT 2x4 sole plates into concrete for a shed


i think 8 and 10 was all they had at HD but i will look again more closely on my next trip in a couple hours.

thanks, Ron
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Old 12-30-2010, 02:14 PM   #4
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anchoring PT 2x4 sole plates into concrete for a shed


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i think 8 and 10 was all they had at HD but i will look again more closely on my next trip in a couple hours.

thanks, Ron
Go into the fastener aisle and look for wedge anchors.
Ron
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Old 12-30-2010, 03:00 PM   #5
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anchoring PT 2x4 sole plates into concrete for a shed


What is the code for spacing anchor bolts? I live in Ca. earthquack country, is the code different here?
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Old 12-31-2010, 12:45 PM   #6
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anchoring PT 2x4 sole plates into concrete for a shed


Ron - they are actually 1/2x6, my bad. Next question (see my other thread): which size SDS-plus drill bit should I use for the hole in concrete, 5/8 (snug) or 3/4 (les snug) or else, considering that I will be fastening them with anchoring epoxy ? I would experiment with different drill bits but they are really expensive ($25) and I just really wanna buy the one that's perfect for this application.

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Old 12-31-2010, 12:59 PM   #7
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anchoring PT 2x4 sole plates into concrete for a shed


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What is the code for spacing anchor bolts? I live in Ca. earthquack country, is the code different here?
The code will be different there. Contact the local office.
Ron
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Old 12-31-2010, 02:26 PM   #8
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anchoring PT 2x4 sole plates into concrete for a shed


hey Ron, did you see my last inquiry ? i'm sure it's a no brainer for you... thanks ...
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Old 12-31-2010, 03:17 PM   #9
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anchoring PT 2x4 sole plates into concrete for a shed


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hey Ron, did you see my last inquiry ? i'm sure it's a no brainer for you... thanks ...
I've never used an epoxy secured bolt. It's either been anchored in the foundation wall or a wedge anchor.
From a common sense approach it would seem the 5/8" hole wouldn't hold enough epoxy around the perimeter of the bolt shaft to secure it properly.
Ron
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Old 12-31-2010, 06:13 PM   #10
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anchoring PT 2x4 sole plates into concrete for a shed


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What is the code for spacing anchor bolts? I live in Ca. earthquack country, is the code different here?
Here is an older one, just search Google; http://docs.google.com/viewer?a=v&q=...h1W5lElSFXE4_w

Amak, if you live in Fl or the Gulf Coast, contact your local B.D., as the Codes are stricter for sheds due to winds.

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Old 12-31-2010, 07:05 PM   #11
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anchoring PT 2x4 sole plates into concrete for a shed


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Ron - they are actually 1/2x6, my bad. Next question (see my other thread): which size SDS-plus drill bit should I use for the hole in concrete, 5/8 (snug) or 3/4 (les snug) or else, considering that I will be fastening them with anchoring epoxy ?
NORMAL drill size for using epoxy with a 1/2" bold is 9/16" hole. Every epoxy manufacturer has there own requirements, so follow the directions. More and bigger aren't always better and stronger. You usually want the hole as small as possible

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