1 2. roof deck finished and waterproof!. external waterproof membrane \u2013 geotex. proof w pol roof (before). job profile-desert crete accents decks on this remodeled contemporary home \u2013 central coast waterproofing \u2013 slo county\u0027s waterproof deck repair specialist. waterproof roof coating, rubber roof coating, roof waterproofing paint, rubber roof paint. these types of roofs should be inspected every few years in order to make absolutely certain that your roof is benefiting from the waterproofing protection .