1. Visual Inspection: Nyatsoongorora fiberboard kuti uone yunifomu ukobvu uye density. Tarisa zvakare kukanganisa kwakadai sekukuvara, delamination, bulges, kana carbonization kumacheto nemakona.
2. Kunyudzwa Kwemvura Muedzo: Kana zvichibvira, cheka chidimbu chidiki chefiberboard uye uinyudze mumvura ine madhigirii makumi maviri kwemaawa makumi maviri nemana. Tarisa kushanduka kwehukobvu uye kutaridzika kwemabhuru madiki panguva yekunyudzwa kuti uone kumira kwayo kwemvura.
3. Muedzo Wekunhuhwirira: Tongai kunhuwa kwefiberboard nekunhuwa. Kunhuhwirira kwakasimba kunowanzoratidza kuburitswa kwepamusoro kwe formaldehyde, zvichikanganisa kuita kwebhodhi.