1. Kaihanga, kaiwhakarato otinga rānei, kia matatau, kia whakamahi hoki i te paerewa o te ao ASTM BS EN40 i roto i te hoahoa me te whakaputa.
2. He whakarewa tika, kāore he whakarewa turuturu, kāore he ngau taha, he mata maeneene kāore he poke.
3. Te tukanga rehu paura, he pumau te paninga paura kirihou polyester parakore, he piri kaha, he ātete ki te hihi UV. He matotoru te kiriata neke atu i te 10um, he piri kaha.
4. Hangarau whakapūmau wera, he 75 maikorone te matotoru o ngā mata o roto, o waho hoki, ā, he paninga konutea wera te mea e ārai ana i te waikura.
5. Ratonga kotahi-mutu mō ngā kaupapa kāwanatanga: hoahoa tuatahi, tuhinga wā-poto, kaupapa whakaputa mana kounga, aratohu miihini mō te tāutanga
6. He tohunga mō ngā hua maitai o waho, he ātete kaha ki te hau, he ātete ki te waikura, he roa te ora tae atu ki te 50 tau.