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Outdoor Mantle Support

 
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Old 05-31-2018, 10:50 PM   #1
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Outdoor Mantle Support


Anyone have a more permanent solution. Holding a 6x12x60 cedar mantle outdoor. Original is 2x2x4 pressure treated nailed together with 8" in the masonry and 4" in the mantle. Is there a better 4x4 solution? PVC other?
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Old 05-31-2018, 11:02 PM   #2
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Re: Outdoor Mantle Support


to clarify, you want to attach a mantel to the masonry wall?

i don't get the 4x4/pvc question.

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Old 05-31-2018, 11:08 PM   #3
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Re: Outdoor Mantle Support


I think he's looking to replace a 12" long 4x4 that is set into the masonry wall and was used to support the mantle.

I'm not sure if he's looking for alternative fastening ideas or just a better 4x4

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Old 05-31-2018, 11:11 PM   #4
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Re: Outdoor Mantle Support


Quote:
Originally Posted by rblakes1 View Post
I think he's looking to replace a 12" long 4x4 that is set into the masonry wall and was used to support the mantle

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if so have some nice steel corbels made up.

try drilling steel rods into the masonry and set them with epoxy.
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Old 05-31-2018, 11:55 PM   #5
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Re: Outdoor Mantle Support


I hate mantles, because veneer fireplaces are weak, compared to the two or three adult/teenaged drunks can apply to an oversized mantle.

masonry korbels with a steel L bracket, 3/8" X 4" wide with ~8" horizontal leg and 12" plus turned with structural wood screws into 2 x 12" blocking install behind the drywall.

The steel bracket hidden by the wood/ stone lintel..

A few french "hooks" as formerly used to hang cabinets might an answer.

A chunk of oven or kiln dried cedar or redwood could be used to replace the fire damaged old "wood" brick, the mounts cut with reverse wedge/dovetails, and maybe a counter sunk lag screw to increase the load capacity.
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Old 06-01-2018, 10:05 AM   #6
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Re: Outdoor Mantle Support


If you want to reuse the 4x4 setup, you could wrap it in blueskin, that's thin enough it shouldn't have an effect on it fitting back in and would add to longevity

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Old 06-01-2018, 11:02 AM   #7
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Re: Outdoor Mantle Support


whats wrong with steel square tubing set 12" in and set with mortar?
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Old 06-01-2018, 02:28 PM   #8
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Re: Outdoor Mantle Support


Thanks for the responses.

Need to reuse the mantle (custom, matching other wood work, weighs 50lb)

Like the L bracket concept but not sure a 6" bracket would support the load long-term.

Likely will go a replacement pressure treated option (unless I can find some accoya)

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