(19)

(11)

EP 4 798 803 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 25701026.4 (22) Date of filing: 21.01.2025

(51) International Patent Classification (IPC):  E04C 2/288(2006.01) E04C 2/38(2006.01) B28B 19/00(2006.01) E04C 2/00(2006.01) (52) Cooperative Patent Classification (CPC): E04C 2/288; B28B 19/003; E04C 2/382; E04C 2002/004 (86) International application number: PCT/GB2025/050092 (87) International publication number: WO 2025/163286 (07.08.2025 Gazette 2025/32)

(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: 31.01.2024 GB 202401274 (71) Applicant: Tectonic Facades Limited Newcastle under Lyme, Staffordshire ST5 6BN (GB)	(72) Inventor: THORP, Harvey Richard Newcastle under Lyme, Staffordshire ST5 6BN (GB) (74) Representative: Swindell & Pearson Limited  48 Friar Gate Derby DE1 1GY Derby DE1 1GY (GB)