Respond to these showcases www. ajplus. co. uk/ajdirect Readers may obtain information about these products by filling in the enquiry numbers on an AJ enquiry card. Advertisers wishing to promote their products on these pages should Lindab Rainline is now available in 'Aluzinc' - an aluminium-zinc coating - which gives a bright, silvery look. Not only is it more environmentally friendly but it is also twice as hard as standard galvanised coating and will retain its appearance for years.