John Hewinson Canvas is in Whangarei, Northland. John and the team have been in business since 1987. The range of products and services that we custom design and manufacture include Shade/sun sails, Ziptrak® ( or Ziptrack) guided deck blinds, deck veranda curtains, water proof outdoor canopies, fixed house awnings, retractable house awnings, window blinds, ute … Continue reading About John Hewinson Canvas