(19)

(11)

EP 3 122 952 A1

(12)

(43) Date of publication: 01.02.2017 Bulletin 2017/05 (21) Application number: 15767757.6 (22) Date of filing: 25.03.2015

(51) International Patent Classification (IPC):  E04B 9/08(2006.01) E04B 9/22(2006.01) (86) International application number: PCT/IB2015/000396 (87) International publication number: WO 2015/145245 (01.10.2015 Gazette 2015/39)

(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 Designated Extension States: BA ME Designated Validation States: MA (30) Priority: 25.03.2014 EP 14161590 (71) Applicant: Rockwool International A/S 2460 Hedehusene (DK)	(72) Inventor: BORGERS, Stéphane B-2640 Antwerp (BE) (74) Representative: Gill Jennings & Every LLP  The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)