Documents in our library describe Calsilite Insulation Cement (GAF) as “a combination of chrysotile asbestos fiber, ground calsilite* pipe covering or block, and portland and other cements; believed made with vermont-produced asbestos”.1 They give it as sold 1960.1,2 3 formulas with amounts give asbestos as 45% to 55% of the product.1 The asbestos named is chrysotile. Where the documents differ, each is listed below with its source.
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Pictures
How Calsilite Insulation Cement (GAF) looked: a label, photograph or catalog page from our library. Each picture has its own page and library number, so it can be cited on its own.
Asbestos claims
If you or a family member worked with or around Calsilite Insulation Cement (GAF) and later developed mesothelioma or another asbestos disease, a claim may be paid by the G-I Holdings (GAF) asbestos trust. Free case review.
The formulas
The 3 formulas documents give for Calsilite Insulation Cement (GAF), each with its ingredients and amounts exactly as printed. Amounts are by weight unless the document says otherwise; a total that doesn't come to 100 is the document's own.
Calsilite Insulation Cement
“Calsilite* Insulation Cement was a combination of chrysotile asbestos fiber, ground Calsilite* pipe covering or block, and Portland and other cements. The basic formula of this cement product was as follows:”
Basic formula.
| Constituent | Amount |
|---|---|
| ground Calsilite* pipe-covering or block | 36.8 |
| chrysotile | 45.0 |
| Lumnite cement, an aluminum silicate cement (approximate formula: 60% calcium aluminate, 12% calcium silicate, 13% ferrite, 15% ferrous oxide) | 13.6 |
| Portland cement | 4.6 |
Source: GAF Asbestos Information Act Submission (1989), p. 311
Calsilite Insulation Cement · Prior to 1954
“Prior to 1954, Calsilite* Insulation Cement of the following formulations may have been sold:”
Prior-to-1954 formulation, first of two (before "and").
| Constituent | Amount |
|---|---|
| ground Calsilite* pipe-covering or block | 41.0 |
| Vermont 7k chrysotile | 49.0 |
| calcined gypsum | 10.0 |
Source: GAF Asbestos Information Act Submission (1989), p. 311
Calsilite Insulation Cement · Prior to 1954
“Prior to 1954, Calsilite* Insulation Cement of the following formulations may have been sold:”
Prior-to-1954 formulation, second of two (after "and").
| Constituent | Amount |
|---|---|
| ground Calsilite* pipe-covering or block | 45.0 |
| Vermont 7k chrysotile | 55.0 |
Source: GAF Asbestos Information Act Submission (1989), p. 311
What each document says
Every statement about Calsilite Insulation Cement (GAF) in the documents, in each document's own words.
GAF Asbestos Information Act Submission (1989)
Asbestos; Publication of Identifying Information (1990)
- Sold until: “they ceased completely in or around 1960”, said by GAF Building Materials Corporation, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 92
- Ingredient: “chrysotile asbestos fiber, ground Calsilite pipe covering or block, and portland and other cements”, said by GAF Building Materials Corporation, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 92
- Asbestos fiber: “chrysotile asbestos fiber”, said by GAF Building Materials Corporation, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 92
Related products
- Part of Calsilite (GAF)
Kind of product
We list Calsilite Insulation Cement (GAF) with pipe covering and block insulation, from how the documents describe it. That page explains how such products exposed workers.
Trades that worked with products like it: Insulators and Insulation Workers, Pipefitters and Plumbers.
Pipe covering and block insulation by other makers (270)
Thermobestos · Superex (Johns-Manville) · Careytemp (Philip Carey) · Kaylo (Owens-Corning) · Unibestos (Union Asbestos & Rubber Co.) · Atlasite (Atlas Asbestos) · Best Felt (Armstrong Cork) · Best Felt (Keasbey & Mattison) · Bestfelt (Nicolet) · Cal Temp (Pabco Products) · Calcium Silicate (Unarco) · Calsilite (Ruberoid) · Calsilite-H1 (Ruberoid) · Caltemp (Fibreboard) · Caltemp Cement (Fibreboard) · Caltherm (Fibreboard) · Caposil 1400 (Cape Asbestos) · Caposite (Holmes Foundry) · Caposite Plus (Cape Insulation) · Carey Cal-silicate (Philip Carey) · and 250 more: all pipe covering and block insulation
See also
- GAF: the company's history, documents, people, products and plants
- GAF on our products page: what the documents say about the company's asbestos products, with sources
References
- GAF Asbestos Information Act Submission (October 6, 1989), p. 31.
- Asbestos; Publication of Identifying Information (February 13, 1990), p. 9.
Cite this page
“Calsilite Insulation Cement (GAF).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/gaf-calsilite-insulation-cement.
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