(19)

(11)

EP 2 795 015 A1

(12)

(43) Date of publication: 29.10.2014 Bulletin 2014/44 (21) Application number: 12806506.7 (22) Date of filing: 21.12.2012

(51) International Patent Classification (IPC):  E04D 13/16(2006.01) E04C 2/24(2006.01) E04D 3/35(2006.01) E04B 1/80(2006.01) (86) International application number: PCT/EP2012/076764 (87) International publication number: WO 2013/093057 (27.06.2013 Gazette 2013/26)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 22.12.2011 EP 11195148 (71) Applicant: Rockwool International A/S 2460 Hedehusene (DK)	(72) Inventors: NIELSEN, Dag DK-4000 Roskilde (DK) JOHANSSON, Dorte, Bartnik DK-4000 Roskilde (DK) ROSENBERG, Gorm DK-4621 Gadstrup (DK) (74) Representative: Samuels, Lucy Alice et al Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)