(19)

(11)

EP 1 794 384 A1

(12)

(43) Date of publication: 13.06.2007 Bulletin 2007/24 (21) Application number: 05786706.1 (22) Date of filing: 29.09.2005

(51) International Patent Classification (IPC):  E04B 1/80(2006.01) (86) International application number: PCT/DK2005/000618 (87) International publication number: WO 2006/034715 (06.04.2006 Gazette 2006/14)

(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 Designated Extension States: AL BA HR MK YU (30) Priority: 29.09.2004 EP 04388066 (71) Applicant: Rockwool International A/S 2640 Hedehusene (DK)	(72) Inventors: RIIS, Preben DK-4000 Roskilde (DK) JARTVED, Ebbe DK-2100 Copenhagen Ø (DK) (74) Representative: Sundien, Thomas et al Zacco Denmark A/S, Hans Bekkevolds Allé 7 2900 Hellerup 2900 Hellerup (DK)