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Old 05-10-2011, 12:40 AM
brianventura's Avatar
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Default Anchor Plate Sealant

I have a Duratech anchor plate for an eight inch vent pipe that I need to attach to my oven. The instructions note that I need to use a "high temperature sealant (1000 degrees)" but I am having a hard time finding what I should use.
Has anyone used a sealant for this type of installation and if so what is the name of it?
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Old 05-10-2011, 09:14 AM
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Default Re: Anchor Plate Sealant

Hi Brian,

How are you? You can you the mortar to seal it.

Heidi
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Old 05-10-2011, 11:11 AM
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Default Re: Anchor Plate Sealant

Hi Heidi,
I'm well thank you. I will use the Forno Bravo mortar that I have to seal it with. Thanks for the tip.
Have a great day,
Brian
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Old 05-10-2011, 06:05 PM
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Default Re: Anchor Plate Sealant

If you are using Tapcon screws or the equivalent to secure the plate to the bricks, take special care to follow the instructions. I failed to do this and managed to crack several of the bricks that I was trying to fasten the plate to. The step that I failed to follow was to properly blow out the dust from the drilled holes. Apparently, the dust was enough to cause the expansion that cracked the bricks.
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Old 05-10-2011, 10:28 PM
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Default Re: Anchor Plate Sealant

Thanks tusr18a,

I was planning on using Tapcon screws and I have never used them before. I most likely would of done the same thing.
Brian
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Old 05-11-2011, 12:08 AM
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Default Re: Anchor Plate Sealant

Don't over tighten them or you may have a couple of problems (the heads will snap off or the brick will split, and you force out any sealant (mortar) that you have put in. I thought of them more as hold down pins and not anchoring screws. I let them about 1/8" from being drawn tight - leaving 1/8" mortar under the plate to seal it.

RT
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Old 05-12-2011, 12:20 PM
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Default Re: Anchor Plate Sealant

Thanks RT

I wonder if there is hardware to use that will not snap or break bricks when applying or is it that all anchoring systems need care when installing.
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Old 05-12-2011, 12:25 PM
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Default Re: Anchor Plate Sealant

Like most tasks, there is skill involved. Using Tapcon screws properly simply takes experience. One thought would be to test your skills on a brick that has not bee mortared into the oven. This will allow you to make mistakes without having to redo any completed brick work. I wish that I had done that.
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Old 05-12-2011, 08:38 PM
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Default Re: Anchor Plate Sealant

Looks like I will be testing out a few bricks to get it right.

Thanks Tusr18a
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Old 05-29-2011, 11:35 PM
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Default Re: Anchor Plate Sealant

I ended up finding a product that worked well for me. It went on easy and set up during the curing process. I used DAP HIGH HEAT MORTAR. It can withstand temperatures up to 2000 degrees F.

The Tapcon screws went in without a problem. I ended up buying the tools recommended to install them.
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