Hiki ke hana ʻia kēia mau ʻāpana hana insulation mai nā ʻāpana insulation uila e like me G10 / G11 / FR4 / FR5 / EPGC308, UPGM203 (GPO-3), pepa EPGM a me nā ʻano ʻano insulation a pau i hana ʻia e ka pultrusion a i ʻole ka ʻenehana ʻenehana. Hoʻopili ʻia kēia mau ʻāpana i nā huahana ma muli o nā kaha kiʻi a nā mea hoʻohana a me nā koi ʻenehana.