| BROWN, Sarah Rose ACTIVE | Director | 30 Aug 2022 | | United Kingdom | January 1989 | Tremco Cpg Uk Limited, Coupland Road, Hindley Green, Wigan, WN2 4HT, England |
| JOHNSON, Daniel Matthew ACTIVE | Director | 11 Jan 2018 | | United Kingdom | October 1980 | Tremco, Coupland Road, Hindley Industrial Estate, Hindley Green, Wigan, Lancashire, WN2 4HT, United Kingdom |
| CRAWFORD, Peter RESIGNED | Secretary | 01 Oct 1993 | 31 Aug 2006 | | | Flintwall Cottage, Ashmansworth, Newbury, Berkshire, RG20 9SS |
| GILROY, Anita Shirley RESIGNED | Secretary | 23 Mar 2007 | 02 Oct 2007 | | | 9 Whinberry Way, Moorside, Oldham, Lancashire, OL4 2NN |
| MACMILLAN, Kenneth Wilson RESIGNED | Secretary | 23 Oct 2006 | 23 Mar 2007 | | | 4 Woodlands Close, Curridge, Thatcham, Berkshire, RG18 9EQ |
| MARTIN, Robert RESIGNED | Secretary | 02 Oct 2007 | 13 Dec 2012 | | | 1 Chalbury 34 The Avenue, Branksome Park, Poole, Dorset, BH13 6EH |
| ROZARIO, Adrian Philip RESIGNED | Secretary | | 30 Sep 1993 | | | The Old Corner House, Church Lane, Wexham, Berkshire, SL3 6LB |
| ALTENA, Bernd Jurgen RESIGNED | Director | 01 Feb 2011 | 11 Jan 2018 | Germany | February 1960 | Coupland Road, Hindley Green, Wigan, WN2 4HT, England |
| ARENDS, Ronald George RESIGNED | Director | | 01 Feb 1994 | | March 1945 | 2426 Farmstead Road, Bath, Ohio Summit 44210-0187, FOREIGN, Usa |
| CROSS, Anthony RESIGNED | Director | | 31 May 2006 | | April 1955 | 33 Beechfields, Eccleston, Chorley, Lancashire, PR7 5RF |
| EARLEY, Ronald Arthur RESIGNED | Director | 31 Mar 1994 | 05 Jun 1998 | | May 1936 | Tingay, Clamp Hill, Stanmore, Middlesex, HA7 3JL |
| EISENHUT, Reiner Hans RESIGNED | Director | 01 Feb 2011 | 29 Nov 2018 | Germany | March 1964 | Coupland Road, Hindley Green, Wigan, Lancashire, WN2 4HT, England |
| GORDON, John William RESIGNED | Director | 30 Apr 2009 | 02 Feb 2026 | England | December 1971 | Tremco Cpg Uk Limited, Coupland Road, Hindley Green, Wigan, WN2 4HT, England |
| HILL, Richard Murray RESIGNED | Director | 09 Apr 2015 | 30 Aug 2022 | United Kingdom | September 1960 | 1, Chamberlain Square Cs, Birmingham, B3 3AX, United Kingdom |
| HILLRINGHAUS, Klaus Dieter RESIGNED | Director | 23 Oct 2006 | 28 Nov 2006 | | February 1945 | Erbericher Kirchweg 2, Odenthal, Odenthal 51519, Germany |
| HOLLOWAY, David John RESIGNED | Director | 01 Feb 1994 | 30 Jun 1997 | England | April 1950 | 25 Edgar Road, St Cross, Winchester, Hampshire, SO23 9TN |
| JONES, Ian Thomas Nisbet RESIGNED | Director | 01 Jun 1998 | 31 May 1999 | | July 1946 | Danescroft Mount Avenue, Brentwood, Essex, CM13 2PB |
| MOORE, Edward Winslow RESIGNED | Director | 01 May 2010 | 11 Jan 2018 | United States | July 1957 | 37, St. Margarets Street, Canterbury, Kent, CT1 2TU, United Kingdom |
| MUNDAY, John RESIGNED | Director | 01 Jul 1992 | 31 Mar 1994 | | November 1950 | 30 Saxon Way, Old Windsor, Windsor, Berkshire, SL4 2PU |
| NEWENS, John Bruce RESIGNED | Director | | 19 Jun 2006 | United Kingdom | September 1946 | Amersham House, 25 Compton Way, Farnham, Surrey, GU10 1QT |
| RICE, Ronald Albert RESIGNED | Director | 01 May 2010 | 11 Jan 2018 | United States | November 1962 | 37, St. Margarets Street, Canterbury, Kent, CT1 2TU, United Kingdom |
| ROGALLA, Arno, Dr RESIGNED | Director | 01 Jan 2008 | 03 Jun 2009 | | August 1964 | Ruhmels 70, Bad Bramstedt, 24576, Germany |
| ROZARIO, Adrian Philip RESIGNED | Director | 01 Jul 1992 | 30 Sep 1993 | United Kingdom | April 1959 | The Old Corner House, Church Lane, Wexham, Berkshire, SL3 6LB |
| SHEARMAN, Keith RESIGNED | Director | 31 Mar 1994 | 14 Aug 2006 | | September 1952 | 7 Cookham Close, Sandhurst, Camberley, Surrey, GU17 8RT |
| SNIDER, George RESIGNED | Director | | 01 Jul 1992 | | August 1934 | 88 Carriage Stone Drive, Chagrin Falls, Ohio 44023, FOREIGN, Usa |
| TOMPKINS, Paul Kelly RESIGNED | Director | 31 Jul 2000 | 30 Apr 2010 | Usa | September 1956 | 1560 Barclay Blvd, Westlake, Ohio 44145, Usa |
| VALADAO, Paul RESIGNED | Director | 28 Nov 2006 | 31 Jan 2009 | | June 1963 | 1814 Rockwood Drive, Pickering, Ontario L1v7g8, Canada |
| WARREN, Harold David RESIGNED | Director | | 01 Oct 1994 | | November 1937 | 2204 Olde Farm Lane, Hudson, Ohio 44236, FOREIGN, Usa |
| WHITE, Paul RESIGNED | Director | 30 Apr 2009 | 30 Jun 2010 | United Kingdom | April 1968 | 109, Woodlands Drive, Chester, Cheshire, CH2 3QJ |