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Thermal Ceramics - Tri Mor Monolithics Thermlite - Forno Bravo Forum: The Wood-Fired Oven Community



I'm Peter Reinhart! Ask Me Anything! Monday, February 15, 2016 7:00-8:00 pm EST

To kick off our AMA feature, we have invited author, chef and master bread maker and host of Pizza Quest, Peter Reinhart, to be our first host! Peter will be in the Forum on Monday, February 15th, from 7:00 - 8:00 pm EST. If you are unable to be online during the live session, you can post your questions in the sticky post. Peter will answer those questions during the live session on February 15th. You can view Peter's answers to your questions as well as what happened during the live session in the session thread.

Ask Me Anything New Forum Feature

You will notice a new forum at the top of the main page called, "Ask Me Anything". This forum will be used for live one hour "Ask Me Anything" (AMA) sessions hosted by people who are knowledgeable in different areas pertaining to wood fired ovens. How it works:
- Each AMA will have a "sticky" thread where the community can post questions they would like answered during the live session. This will allow everyone to participate even if you can't be online for the live session. These questions will not be answered by the host until the live AMA; if you need an answer quickly, you should post it in the appropriate Forum area for the community to respond.
- Another thread will be posted for the live AMA. Registered users who are logged in during the live session can interact with the host by asking questions and receiving responses.
- The live thread will remain in the AMA forum to view after the session.

We hope you enjoy this new feature! Please let us know if there is a topic that you'd like to have as an AMA and we'll look for a host!

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Thermal Ceramics - Tri Mor Monolithics Thermlite

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  • Thermal Ceramics - Tri Mor Monolithics Thermlite

    I've been given 75 kilos of this stuff.

    Here's some info on it.

    These grades are used for the containment of heat within high temperature operating structure. They can be used for either hot face working linings or as backing linings behind higher density working linings


    A versatile 1370C insulating material with low thermal conductivity. Can be installed by casting, gunning or trowelling.


    Bond Type: Hydraulic
    Raw Material Base: Calcined Fireclay/Perlite
    Maximum Service Temperature: 1370C
    Refractoriness (Seger Cone): 1460C (16)
    Bulk Density Dried to 110C: 1440kg/m3
    Net Material Required Cast (Gunned): 1350kg/m3 (1440)

    Dried to 110C: 1440kg/m3
    Net Material Required Cast (Gunned): 1350kg/m3 (1440)


    Looks ideal for using underneath my hearth bricks, even if I do have to sieve out some of the bigger particles.

    I guess my question is, does anyone think that this isn't suaitable for building my dome (between the firebricks)? It looks ready mixed, so not a lot of scope for bulking out with more sand, but maybe will add 1 to 2/3 of sand?

    Should I test it first to see what it dries like between a couple of fire bricks?

    Maybe I should just stick with the plan and go and buy a some fireclay and lime and make a homebrew?

    Have just found it's components

    Alumino Silicate 30 - 65%
    Calcium Aluminium silicate < 35%
    Cement > 20%
    Clay 2 -15%

    Is the cement content maxed out here. or will I get away with adding more sand?

    What to do????

  • #2
    Re: Thermal Ceramics - Tri Mor Monolithics Thermlite

    This material is an insulating castable not suitable as amortar. However seeing you got it free you could try sieving out the courser aggregate and replacing the equivalent volume removed with fine silica sand. The active cement will be calcium aluminate which is fireproof, but be careful as it will have a shorter working time. Mix smaller quantities.
    Kindled with zeal and fired with passion.


    • #3
      Re: Thermal Ceramics - Tri Mor Monolithics Thermlite

      Hi Jon, Just saw your layout picture and your problems with base size. Have a look at fxpose build where he cut the bottom rings to 3" to maximize his base area. In your case you would only have to cut the the bricks on the left and right of your dome. Good luck with the build.