(19)

(11)

EP 1 922 453 A1

(12)

(43) Date of publication: 21.05.2008 Bulletin 2008/21 (21) Application number: 06780359.3 (22) Date of filing: 06.09.2006

(51) International Patent Classification (IPC):  E04D 3/35(2006.01) E04D 11/00(2006.01) E04B 7/22(2006.01) (86) International application number: PCT/IE2006/000094 (87) International publication number: WO 2007/029220 (15.03.2007 Gazette 2007/11)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 06.09.2005 IE 20050582 (71) Applicant: Kingspan Research and Developments Limited Kingscourt, County Cavan (IE)	(72) Inventors: CAROLAN, James County Cavan (IE) FLYNN, Gregory County Louth (IE) (74) Representative: O'Brien, John Augustine et al John A. O'Brien & Associates, Third Floor, Duncairn House, 14 Carysfort Avenue Blackrock, County Dublin Blackrock, County Dublin (IE)