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Celotex Thermax TM Insulating board  (C) InspectApedia.com JWCelotex® Products & History
Complete history of Celotex, insulating & wall board properties, asbestos

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Celotex insulating board & wall covering products & corporate history:

A review of the dates involved in the product history of Celotex Corporation can help identify which Celotex insulating board or wallboard or drylining product you may have found in a building.

This article series gives the history and properties of Celotex® Thermax and other foam board insulating products. Page top photo: Celotex® Thermax sheathing board insulation.



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Celotex™ Sheathing & Insulating Boards: Company History, Products, Dates

Celotex old insulating board (C) Daniel FriedmanOur photograph of brown, white-imprinted Celotex cellulose-based insulating board, possibly bagasse, used as an insulating sheathing board on both the exterior and interiors of buildings.

[Click to enlarge any image]

Celotex Corporation produced the first fiberboard made from bagasse in 1920. (Jester 2014). Other records indicate that the company was founded a year later, in 1921.

Celotex Insulating Lumber, the company's first product, was a cellulose fiber board made from bagasse or sugar cane fiber using a felting process, and produced in Celotex's New Orleans LA plant.

Celotex described their Celotex Insulating Lumber as an exterior sheathing product intended for use as a base beneath plaster or beneath a stucco building exterior as well as for roof insulation. Celotex insulating lumber was sold in 7/16" thicknesses (and possibly other thicknesses), in 4 foot width boards at lengths from 8 ft. to 12 ft. and weighing about 60 pounds per square (100 sq.ft.).

Celotex continues to operate in the present, producing various building sheathing and insulating products, having passed through various reorganizations and changes listed below in this article.

Dates & Events in the History of Celotex

Celotex product description from 1943, Architectural Record October 1943 p. 16 - InspectApedia.com Celotex was a Delaware corporation reincorporated in 1964, which manufactured and distributed roofing and building products for residential and commercial use.

Celotex polyisocyanurate insulation board (C) Daniel Friedman

Examples of Early Celotex fiberboard products:

Sources for History of Celotex Corporation & Its Products

Celotex gypsum board (C) Daniel Friedman

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Continue reading at CELOTEX ASBESTOS PRODUCTS, or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

Or see ASBESTOS MATERIAL REGULATIONS - history of asbestos bans, regulations, laws

Or see POLYISOCYANURATE FOAM and IAQ possible health hazards?

Or see these articles discussing

Celotex Products & Asbestos

CANEBOARD PANELS

CELOTEX ASBESTOS PRODUCTS

CELOTEX DRYWALL ASBESTOS

DRYWALL, FIBERBOARD, PLASTER INTERIORS

FIBERBOARD SHEATHING IDENTIFICATION

FIBERBOARD SHEATHING MOLD CONTAMINATION

FOAM BOARD INSULATION TYPES

ICYNENE FOAM SPRAY INSULATION

IDENTIFY Celotex® Insulating Board and Fiberboard Products

POLYISOCYANURATE FOAM BOARD

POLYISOCYANURATE FOAM BOARD - Celotex, Dow, & other polyisocyanurate foam board insulation products, properties, history

PROTECT FIBERBOARD from WATER

RIGID FOAM USE INDOORS

SHEATHING, FIBERBOARD - home

SHEATHING FIBERBOARD CONSTRUCTION

Suggested citation for this web page

CELOTEX HISTORY & PRODUCTS at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

INDEX to RELATED ARTICLES: ARTICLE INDEX to ASBESTOS HAZARDS

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