(19)

(11)

EP 2 870 305 A1

(12)

(43) Date of publication: 13.05.2015 Bulletin 2015/20 (21) Application number: 13733451.2 (22) Date of filing: 01.07.2013

(51) International Patent Classification (IPC):  E04D 1/30(2006.01) E04D 1/20(2006.01) (86) International application number: PCT/GB2013/051739 (87) International publication number: WO 2014/009694 (16.01.2014 Gazette 2014/03)

(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 (30) Priority: 09.07.2012 GB 201212142 (71) Applicant: Solar Seller Limited Hertfordshire HP1 1LF (GB)	(72) Inventor: COLLISON, Clive Hemel Hempstead Hertfordshire HP3 8PU (GB) (74) Representative: Vigars, Christopher Ian  Astrum ElementOne Limited Tower House Fairfax Street Bristol BS1 3BN Bristol BS1 3BN (GB)