Tagged: ST submission This topic contains 0 replies, has 1 voice, and was last updated by astonwong 4 months, 2 weeks ago. Author Posts June 3, 2018 at 6:34 am #1691 astonwong Participant Any one has the latest requirement for ST submission to share here? Heard that any facade above 2m height needs ST submission. What about roofings? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.