Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,374 pages of information and 230,039 images on early companies, their products and the people who designed and built them.


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1945. Expandite Products.
Jan 1945.
April 1945.
May 1945.
June 1945.
July 1945.
Jan 1946.
Jan 1947.
Feb 1947.


December 1955.
December 1956.
May 1957. The Handiseel Gun Kit.
November 1957. Seelastic, Mulseal, Plastijoint, Seel-a-strip, Maetagalv and Barra.
March 1958.
December 1960.
July 1961.
November 1961.
October 1963.
1965 Expandite Mastic gun.
1965 Expandite Mastic gun.
1965 Expandite Mastic gun instruction manual.
September 1958.
June 1961. Seelastik.

of Chase Road, London, NW10 of Bracknell of Trafford Park Road, Manchester (1965) of 3 William Street, South Gosforth, Newcastle-upon-Tyne (1965) of Greenhills Road, Walkinstown, Dublin 12 - Expandite (Ireland) Ltd

1934 Private company formed as Expandite Products Ltd.

1946 Name changed.

1955 Company made public.

1961 Engaged in the manufacture of building mastics, hot poured sealing compounds, rubber and plastic extrusions, extruded sealing strips, liquid waterproofing compounds and mechanical appliances. [1]

1965 Expandite Mastic gun.

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