The epoxy was applied on the outside and was later covered by insulation. Here is a picture from the EVA where they cut away the insulation and located it: http

The epoxy was applied on the outside and was later covered by insulation. Here is a picture from the EVA where they cut away the insulation and located it: https://i.insider.com/5c112efc4a8213310205a17b https://i.insider.com/5c112efc4a8213310205a17b