Browse Forums Windows & Doors External Shading and low-e or film coating 2Feb 16, 2018 4:15 pm As I understand it, Low-e allows or reduces transmission of solar heat, so if the window is already shaded the only benefit might be to hold infra-red heat inside. http://www.yourhome.gov.au/passive-design/glazing 4 6168 If you can calculate the reasonable charged head from let's say 100mm below the gutter to the top of where the vertical riser's horizontal discharge pipe will be, that… 11 17516 Those span tables can be pushed a little for a low deck if you dont mind a little flex. Last deck I did, I pushed it a little and it was still rock solid - no noticeable… 6 13707 |