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brianventura 05-09-2011 11:40 PM

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?

HeidiL2011 05-10-2011 08:14 AM

Re: Anchor Plate Sealant
Hi Brian,

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


brianventura 05-10-2011 10:11 AM

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,

tusr18a 05-10-2011 05:05 PM

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.

brianventura 05-10-2011 09:28 PM

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.

RTflorida 05-10-2011 11:08 PM

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.


brianventura 05-12-2011 11:20 AM

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.

tusr18a 05-12-2011 11:25 AM

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.

brianventura 05-12-2011 07:38 PM

Re: Anchor Plate Sealant
Looks like I will be testing out a few bricks to get it right.

Thanks Tusr18a

brianventura 05-29-2011 10:35 PM

Re: Anchor Plate Sealant
1 Attachment(s)
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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