(19)

(11)

EP 4 739 863 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24739470.3 (22) Date of filing: 02.07.2024

(51) International Patent Classification (IPC):  E04D 3/35(2006.01) F24S 25/40(2018.01) E04C 2/292(2006.01) H02S 20/23(2014.01) (52) Cooperative Patent Classification (CPC): E04D 3/352; H02S 20/23; F24S 25/40; E04D 3/358; E04D 3/355; E04C 2/292; Y02B 10/10; Y02E 10/50; Y02E 10/47 (86) International application number: PCT/EP2024/068625 (87) International publication number: WO 2025/008359 (09.01.2025 Gazette 2025/02)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 05.07.2023 GB 202310332 (71) Applicant: Kingspan Holdings (IRL) Limited Kingscourt County Cavan (IE)	(72) Inventors: MARTIN, Thomas Kingscourt (IE) CONNOLLY, Karen Kingscourt (IE) TAUCHMAN, Frantisek Kingscourt (IE) (74) Representative: Tomkins & Co  5 Dartmouth Road Dublin 6, D06 F9C7 Dublin 6, D06 F9C7 (IE)