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Mounting Outdoor TV to Concrete Block Walls

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Mounting Outdoor TV to Concrete Block Walls

Old 12-10-2018, 09:33 AM
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Another vote for Tapcons...if your concerned & want bullet proof, embed studs in epoxy!
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Old 12-10-2018, 04:29 PM
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I think a lot of people fail with tapcons because they don't blow the dust out of the hole. You want it clean before you start running the screw in.
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Old 12-11-2018, 05:30 AM
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Originally Posted by gfretwell View Post
I think a lot of people fail with tapcons because they don't blow the dust out of the hole. You want it clean before you start running the screw in.
This, and they wallow out the hole, or unscrew and reinstall the tapcon, or tighten it too tight.
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Old 12-11-2018, 06:11 PM
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Yup you need a good hammer drill and a steady hand to get a straight clean hole. Then just shoot them in and leave them alone. A power driver with the clutch set to let go before they strip is best. One steady shot not a start stop thing you get with hand driving.
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Old 12-13-2018, 05:23 AM
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Originally Posted by gfretwell View Post
Yup you need a good hammer drill and a steady hand to get a straight clean hole. Then just shoot them in and leave them alone. A power driver with the clutch set to let go before they strip is best. One steady shot not a start stop thing you get with hand driving.
I just don't like to put them in "non structural block" and I assumed that's what the OP has. Non structural just crumbles too often that's why I like toggles.
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Old 12-13-2018, 05:44 AM
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Originally Posted by xl883lo View Post
I just don't like to put them in "non structural block" and I assumed that's what the OP has. Non structural just crumbles too often that's why I like toggles.
In my 40 some years in commercial construction, I've never heard of a "non-structural" concrete block and we used to do our own masonry work at one time.

Can you tell me what the difference is? Aggregate perhaps? Maybe it's a regional thing..
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Old 12-14-2018, 03:35 AM
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Originally Posted by Boataholic View Post
In my 40 some years in commercial construction, I've never heard of a "non-structural" concrete block and we used to do our own masonry work at one time.

Can you tell me what the difference is? Aggregate perhaps? Maybe it's a regional thing..
ASTM C90 load bearing block versus ASTM C129 non-load bearing block (partition wall block).
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Last edited by xl883lo; 12-14-2018 at 03:42 AM.
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Old 12-14-2018, 08:13 AM
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Originally Posted by xl883lo View Post
ASTM C90 load bearing block versus ASTM C129 non-load bearing block (partition wall block).
I imagine its about the same difference in a rate vs non rated hollow metal frame, the rated one has a tag that says its rated....
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Old 12-14-2018, 08:37 AM
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If solid concrete tapcons fine. If cinderblock, use lead anchors
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Old 12-14-2018, 09:19 AM
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I don't think I have ever seen anything but C90 block here. Is C-129 what we used to call cinder block?
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Old 12-14-2018, 09:28 AM
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Originally Posted by MercuryMan200 View Post
I would have the wall knocked down and rebuilt. Have lag boltsadded to the block as it is being formed at the plant. Then when they put the block up have them pour the wall with concrete for added strength.
Don't forget the rebar grouted in the cells and Durawall in the horizontal joints
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