1. Ibikoresho bitumizwa mu mahanga bya EPDM, birambuye hejuru yubuso, ubworoherane bwiza no guhindagurika
2. Kurwanya ubushyuhe buhebuje no kurwanya ikirere, kurwanya ozone, imbaraga nyinshi zingana, elastique nziza, ubushyuhe no kurwanya gusaza
3. Gukoresha microwave yo gukiza uburyo bwo gukora, kugaragara neza, nta kimenyetso gihuriweho