• Zonolite Insulation - Asbestos Risks, Lawsuits & Abatement

    Zonolite is the trademarked name of a vermiculite attic insulation product sold between the 1940s and 1990s. Most Zonolite is contaminated with highly-toxic asbestos. Jump to a topic Zonolite is a type of loose-fill insulation designed to be poured onto an attic floor. Though it is no longer made ...

  • Here Is Where You Can Find Vermiculite | Mel Bartholomew ...

    Here Is Where You Can Find Vermiculite 45. ... were those big familiar tan bags of coarse vermiculite, 2 cubic feet each, for a good price of around $20. I've seen it elsewhere at $24 and $26. So call your local H.D. store and ask for this product. Ask them to make sure it's the 2 cubic foot size and it's the coarse grade (sometimes they ...

  • Perlite or Vermiculite? (rocket stoves forum at permies)

    Exfoliated- Perlite or Vermiculite? They seem to perform rather equal with the exception being the hygroscopic properties. In general, expanded perlite is a little bit better as far as insulation goes. When you use exfoliated vermiculite in a dry state it would be fine as well.

  • Understanding the Dangers of Working with Vermiculite - SERS

    Mar 01, 2018· This makes it the perfect addition to construction materials such as concrete, where durability and resilience are obviously highly valued. Vermiculite is more or less impervious to fire and is very light in weight (compared to conventional concrete, at least), allowing builders to get more creative with their designs.

  • My $135 Wood Fired Pizza Oven!: 10 Steps (with Pictures)

    We also added some pavers for the oven to sit on. It seemed some opinions varied on the amount of space but you basically want at least 3" of concrete or insulation if you have it on a wooden platform. I have seen people use less and more but 3" seem to be the common number.

  • SPV Corp · Dicalite Management Group

    Vermiculite is thermal-resistant, slowing down the burning process for materials enhanced with it, like ceiling tiles and drywall. Construction and Concrete. Lightweight, fire-resistant, and insulating construction materials are produced when Vermiculite is used as an aggregate. Automotive

  • Vermiculite Building Insulation & Asbestos Hazards ...

    Vermiculite Building Insulation: properties, uses, asbestos content. This article permits visual identification of vermiculite insulation; we include our own as well as US EPA photographs of various forms of vermiculite insulation to assist in recognizing vermiculite in buildings.

  • Insulated Concrete - Vermiculite - Vermicrete - Portland ...

    Oct 31, 2015· This video shows you the basics of making Insulated Concrete out of Portland Cement and Vermiculite (or Perlite). The resulting mix is only 15% of the normal concrete weight but is heat/fireproof.

  • Vermiculite - Wikipedia

    Vermiculite is a hydrous phyllosilicate mineral.It undergoes significant expansion when heated. Exfoliation occurs when the mineral is heated sufficiently, and the effect is routinely produced in commercial furnaces. Vermiculite is formed by weathering or hydrothermal alteration of biotite or phlogopite. Large commercial vermiculite mines currently exist in Russia, South Africa, China, and …

  • Vermiculite vs Concrete Pool Bottom, What is Better?

    Jun 15, 2016· Vermiculite vs Concrete Pool Bottom, What is Better? Vermiculite came to be to fill a need. It was adapted to get away from a sand pool bottom and be used by those that couldn't or didn't want to pour concrete.

  • Vermiculite Spray | Cafco 300 ® Fire Spray for Beams and ...

    CAFCO® 300 is the most cost effective vermiculite spray product on the market. CAFCO® 300 is a lightweight coating that provides very efficient fire resistance with minimal thickness to structural steel, concrete frames, metal floor and roof decks. CAFCO® 300 can provide fire resistance of up to 4 hours to Australian Standards.

  • Shaping vermiculite concrete dome - Forno Bravo Forum: The ...

    Re: Shaping vermiculite concrete dome I find mixing 10 parts vermiculite to 1 part cement (by volume) dry, then adding 3 parts water and mixing it with my hands in a large (20 litre) bucket works pretty well. Replacing the vermiculite portion with 50% vermiculite and 50% perlite improves the workability of the mix.

  • Gardening With Vermiculite - Vermiculite Uses And Information

    Mix 3 cubic feet of vermiculite per 100 square feet, seed, then cover the entire area with ¼ inch of vermiculite. Water in with a fine spray. The vermiculite will hasten germination and increase the number of seeds that germinate while maintaining moisture and protecting from drying and heat. Lastly, vermiculite can be used when arranging flowers.

  • Insulation under the oven floor - Forno Bravo Forum: The ...

    I was thinking I may avoid the drying problems I have seen others having with the perlite/vermiculite concrete. Les I do have a box of blanket for the dome. I had gathered that 2" of Fiber Board was the normal amount of insulation that was being used these days. I was just trying to get in a bit more by setting it into the concrete slab and ...

  • The Pros and Cons of Vermiculite | Mel Bartholomew ...

    Jul 17, 2013· The Pros and Cons of Vermiculite 19. Mel Bartholomew July 17, 2013 Beginner's Guide, Products. I have always thought vermiculite was the most marvelous natural material. Besides, it's all organic and is a perfect addition to any good potting soil.

  • Home made rocket stove, vermiculite and cement Part 5 ...

    Dec 22, 2013· I made some rocket stoves and this shows the first one I made from 20% standard cement and 80% vermiculite. Both materials are available at your local home improvement store. Just mix them up with ...

  • Perlite vs Vermiculite: What's the Difference? | Epic ...

    Oct 20, 2016· Vermiculite is made from compressed dry flakes of a silicate material which is absorptive and spongy. The color of vermiculite is a golden brown to a dark brown and is a sometimes difficult to tell from the potting soil it's mixed with. When water is added to vermiculite, the flakes expand into a worm-like shape and act like an absorbing sponge.

  • Vermiculite Concrete Mix - swimmingpoolsteve.com

    Vermiculite Concrete Mix. This article contains information about swimming pool floors made from a vermiculite concrete mix. Vermiculite is a mineral with very specific properties that allow for a unique concrete application that is often used on the floors of some (vinyl liner) swimming pools.

  • Concrete or Vermiculite for Vinyl-Liner Pools? | Pool ...

    Mar 11, 2019· Concrete sets faster, necessitating that his crew trowel quicker. But this has an advantage: He can install a concrete bottom in about half a day, whereas vermiculite can take eight-plus hours to cure, provided there is no rain. Concrete is cheaper than vermiculite and more efficient.

  • Protect Your Family from Asbestos-Contaminated Vermiculite ...

    Sizes of vermiculite products range from very fine particles to large (coarse) pieces nearly an inch long. Top of Page. Concerns about Asbestos-contaminated Vermiculite Insulation. A mine near Libby, Montana, was the source of over 70 percent of all vermiculite sold in …

  • Vermiculite Insulating Concrete--The Schundler Company

    Insulating Concrete with Galvanized Steel Centering This system provides a maintenance free, economical roof system. It consists of high tensile galvanized steel centering, welded or attached with self tapping screws to the supporting steel framing together with either a 1-6 or 1-8 mix of vermiculite concrete.

  • Vermiculite Concrete

    Vermiculite Concrete Introduction Vermiculite concrete is a low density non-structural construction product. It is insulating (both thermally and acoustically) and intrinsically fire resistant. It is normally made simply by mixing exfoliated vermiculite as the aggregate, with cement and water, plus additives such as plasticisers if required.

  • Vermiculite based insulation - traditionaloven.com

    Most ideal is to pour it simply out of the bags in its simplest loose-fill form covering all around and above if the oven was boxed in among e.g. house brick walls or in some metal casing. For vermiculite mixes here is the page dealing with heat resistant insulation applications including how to make own vermiculite based light weight concrete.

  • Drum Mixing Vermiculite Concrete| Concrete Construction ...

    We have always seen vermiculite concrete mixed in a rotating-paddle mixer. Can it be mixed in a rotating drum truck mixer? It can. The water and cement are placed in the mixer first. Then the drum is rotated while adding vermiculite. Rotation continues for about a minute after all the aggregate has ...

  • Need help with DIY major vermiculite repair | Trouble Free ...

    Mar 15, 2019· Depending on how stable the earth is under u can either pack concrete in there kinda dry, u could use all vermiculite, u can use road base compacted, masons mix, anything that will hold the slope. U have a concrete collar around pool wall isn't going …

  • oven - AmazingRibs.com

    StEp 3 To support the thick oven floor, insert a sheet of 12mm compressed fibre cement onto the angle iron to form a well. You could also pour a suspended concrete slab but this would need formwork on the underside and reinforcing. Fill the hollows of the concrete blocks with concrete (with 5 or 10mm gravel

  • Curing Concrete With Vermiculite | DoItYourself.com

    Vermiculite mixed with concrete creates a lightweight concrete that will cure in a longer amount of time. A longer curing time equals stronger concrete. Here's what you need to know about using vermiculite. Vermiculite is a type of aggregate that is created when volcanic rock is heated to extreme ...

  • Where can you buy vermiculite concrete - answers.com

    What is the mix ratio of sand cement vermiculite and chips for vermiculite concrete? ask santa Read ... You can buy these at concrete supply stors or I have also seen them at the building stores. ...

  • Vermiculite.COM--a guide on how and where to purchase ...

    And if that fails, try to see if you can find some vermiculite concrete aggregate at your local lumberyard or masonry yard (not one of the box stores like Home Depot or Lowes since they don't carry perlite and vermiculite aggregates.) Or, you can try local garden centers and/or greenhouses and see if they can get some fine grade vermiculite for ...

  • R-Values for Insulating Concretes| Concrete Construction ...

    Question: How much good can I get out of perlite or vermiculite concrete as an insulating material under a slab on ground for my house? Can you give me an R-value? Answer: Before giving a specific answer we should point out that it is normally uneconomical to use insulation under the whole slab. As long ago as 1945, the National Bureau of Standards reported in its BMS Report 103 that the ...