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(11)

EP 2 260 244 A1

(12)

(43) Date of publication: 15.12.2010 Bulletin 2010/50 (21) Application number: 09715815.8 (22) Date of filing: 26.02.2009

(51) International Patent Classification (IPC):  F24F 5/00(2006.01) E04B 1/74(2006.01) F24F 12/00(2006.01) (86) International application number: PCT/GB2009/050195 (87) International publication number: WO 2009/106891 (03.09.2009 Gazette 2009/36)

(84) Designated Contracting States: 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 SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 26.02.2008 GB 0803545 (71) Applicant: Enviromental Building Partnership Limited Aberdeen Aberdeenshire AB10 1FW (GB)	(72) Inventors: IMBABI, Mohammed Salah-Eldin Clackmannanshire FK10 2HU (GB) BROWN, Alexander Clackmannanshire FK10 2HU (GB) PEACOCK, Andrew Clackmannanshire FK10 2HU (GB) (74) Representative: Suèr, Steven Johannes et al Ablett & Stebbing Caparo House 101-103 Baker Street London W1U 6FQ London W1U 6FQ (GB)