Vermiculite Products
Vermiculite Products for High-Temperature Insulation
K. Hoffmann GmbH is your trusted partner for premium vermiculite products.
We offer high-performance solutions such as fire boards, slabs, bagged goods, and custom CNC-milled parts. Our vermiculite products are designed to withstand temperatures up to 1150°C, making them ideal for thermal insulation, fire protection, and industrial applications worldwide.
We supply vermiculite fire boards in standard sizes such as 25mm, 30mm, and 40mm, cut to your exact specifications.
- PRODUCT VARIATIONS
- Vermiculite bagged goods | Vermiculite slabs | Vermiculite paper | Vermiculite pressed parts | Vermiculite CNC milled parts
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Our Vermiculite Product Range
We provide a complete range of vermiculite products, including:
Vermiculite Bagged Goods – Lightweight granules for filling cavities, cushioning, and absorbing liquids.
Vermiculite Fire Boards (VIREboard) – Heat-resistant panels ideal for pizza ovens, fireplaces, and industrial kilns.
Vermiculite Slabs – Customized insulation boards for construction and industrial thermal solutions.
Vermiculite Paper – Thin sheets used for gaskets, seals, and precision applications.
Vermiculite Pressed Parts – Molded components for specialized industrial uses.
CNC-Milled Vermiculite Parts – Precisely cut to meet customer-specific designs.
What is Vermiculite?
Vermiculite is a naturally occurring, lightweight, and porous mineral that expands when heated. Its unique properties make it highly suitable for high-temperature environments, thermal insulation, and fireproofing.
At K. Hoffmann GmbH, we process vermiculite into various forms to meet the specific needs of our customers in industries such as construction, furnace and oven manufacturing, fireplace production, and industrial insulation.Key Features and Benefits
- Heat resistant up to 1150°C
- Lightweight yet highly stable
- Nontoxic and fiber-free – safe for workers and end-users
- Acid resistant and chemically stable
- Odorless and environmentally friendly
- Cost-effective, technically advanced solutions
- Ideal for high-temperature and fireproof applications
Frequently Asked Questions (FAQ)
What vermiculite product variations does K. Hoffmann GmbH offer?
We supply vermiculite boards, loose-fill vermiculite (100 L bags / big bags), vermiculite paper, as well as pressed parts and CNC-milled custom parts. This covers both standard solutions and custom requirements for furnace construction and industrial applications.
What is the maximum operating temperature of vermiculite products?
Our vermiculite products are designed for high temperatures – boards reach a classification temperature of 1,150 °C and are suitable for continuous use even under thermal shock conditions.
Can boards and parts be manufactured in custom dimensions?
Yes. We offer custom-cut boards and CNC-manufactured parts exactly according to your drawings or specifications. This ensures precise solutions for combustion chamber linings, covers, and technical components.
Are vermiculite products safe and easy to process?
Vermiculite is fiber-free, non-toxic, odorless, and acid-resistant. The boards are lightweight and easy to saw, glue, and adapt — perfect for quick installation and clean edges.
What are the main applications for vermiculite?
Typical uses include combustion chamber and furnace linings, thermal insulation in construction and stove building, packaging and hazardous goods protection thanks to its cushioning and absorbent properties, as well as horticulture for improving water retention and root aeration.
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K. Hoffmann GmbH
For over 40 years, we have been manufacturing high-temperature-resistant boards, pressed, and milled molded parts from Vermiculite.
Due to its special properties, vermiculite is particularly suitable as a lightweight insulation material and is characterized by its temperature resistance up to 1100 °C.
If you are also looking for a sustainable insulation material without health concerns, then contact us.
