(19)

(11)

EP 1 590 540 A1

(12)

(43) Date of publication: 02.11.2005 Bulletin 2005/44 (21) Application number: 04705762.5 (22) Date of filing: 28.01.2004

(51) International Patent Classification (IPC)7: E04F 13/08 (86) International application number: PCT/EP2004/000747 (87) International publication number: WO 2004/070133 (19.08.2004 Gazette 2004/34)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 03.02.2003 EP 03250673 (71) Applicant: Rockwool International A/S 2640 Hedehusene (DK)	(72) Inventor: HOLTSLAG, Jan, Antonie NL-6075 GH Herkenbusch (NL) (74) Representative: Samuels, Lucy Alice  Gill Jennings & Every Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)