![]() Upson began its decline in the 1970's and closed in 1984, opening later that year as Niagara Fiberboard.īeaverboard and other paper or fiberboard products were used for exterior wall sheathing, as we show in this photograph at left. Upson purchased the Beaver Board plant from CertainTeed in 1955. Beaver Board and Upson Board were produced by the Beaver Wood Fibre Company Limited, in Thorold, Ontario.īeaver board's competition was from Upson Processed board (John Upson, Upson Company, Lockport, NY) which was produced beginning in 1910.Īs late as the 1950's Upson Board was used in prefabricated houses and exterior building sheathing and in recreational vehicles. and the Beaver Board Companies that produced this product until that firm was purchased by Certain Teed Prod cuts in 1928. Still later in the life of many buildings where Beaver Board was installed it was later covered with drywall to provide a more fire-resistant surface.īeaverboard takes its name from the Beaver N.Y. In some applications Beaverboard or UpsonBoard was covered with wallpaper. ![]() On the exposed side this wood fiberboard product was usually painted and its joints covered with wood lath or other trim. Our photographs (below) show this product from it's back or wall cavity side. Lewis in Beaver Falls, NY, to the 1950s, with its near-twin product Upson Board continuing in use into at least the 1980's. ![]() History of Beaver Board & Upson Board Wall Coverings in North Americaīeaver-board and Upson Board are a wood fiber product used as an inexpensive interior wall covering and draft blocker from about 1903 when Beaver Board was invented by J.P. See CEMENT ASBESTOS SHEET PRODUCTS for the age, history of and details about cement-asbestos fireproof panels used in and on buildings. Asbestos Cement & Fiber Cement Fireproof Ceiling & Wall PanelsĪsbestos-cement panels and later non-asbestos-containing fiber-cement panels were widely used as fireproof coverings for walls, ceilings, even floors in various applications such as in boiler rooms as well as in chemical laboratories and other areas where an inert, durable, fire-resistant surface was needed. We name and illustrate these and discuss their periods of use below as anĪid in finding out how old a building is and tracing its history. The age of a building can be determined quite accurately by documentation, but when documents are not readilyĪvailable, visual clues such as those available during a professional home inspection can still determine when a house was built by examining its components, building materials, even nails, fasteners, and types of saw cuts on lumber. History of Types Interior Plaster: split wood lath, sawn wood lath, expanded metal lath, "rock lath" or plasterboard, drywall, & tainted Chinese drywall There are several generations of plaster and lath, plaster board, and drywall which have been used SHEATHING, GYPSUM BOARD - gypsum panels used for exterior sheathing, water-resistant, were also used in some interior construction such as kitchens and bathroomsĪbove we show a photograph of hand-split wood lath and plaster wall, from the wall-cavity side.MASONITE & HARDBOARD CEILING & WALL COVERINGS.GYPSUM BOARD PLASTER LATH SYSTEMS - rock lath.FIBERBOARD SHEATHING - separate article, Beaverboard, Nu-Wood, Insulite, and many others on building exteriors & interiors.DRYWALL TYPE IDENTIFICATION STAMPS - separate article.DRYWALL & GYPSUM BOARD - separate article.COATING TYPE CEILING & WALL SURFACES: CATALOG OF.UPSON BOARD - MDF used as interior sheathing and in many other applications from puzzles to oil paintings.Guide to Plaster & Drywall & Other Interior Wall Coverings as Indicators of Building Age Article Series Contents We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Our page top photo shows hand-split wooden lath backing for a plaster interior wall. This article discusses the identification and history of older interior building surface materials such plaster and lath, Beaverboard, and Drywall - materials that were used to form the (usually) non-structural surface of building interior ceilings and walls. Guide to beaverboard, drywall, plaster & paneling on interior walls:Īges & types of finish materials used for interior walls & ceilings: here we provide a photo guide to identifying types of plaster, lath, Beaver board, Upson Board, and Drywall to help identify these interior building wall and ceiling coverings and as an aid in determining the age of a building. ![]() We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest. ![]()
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