Mugihe ukoresheje igihingwa cyo kuvanga Asfalt, mbere ya byose, bigomba kugira umutekano mwiza. Niba bidafite umutekano mwiza, uruganda ruvanga Asfalt ntirushobora kubahiriza ibisabwa numushinga mubisabwa cyangwa umusaruro mwinshi. Kubwubwubatsi bwumuhanda, ibyangombwa bipimisha bifatika biratangaje kandi birasobanutse. Gusa ubumenyi bwa Asfalt bwonyine burashobora gukora ireme ryubwubatsi bwumuhanda bujuje ibisabwa. Kubwibyo, ituze ryigihingwa cyo kuvanga Asfalt ni ngombwa cyane.

Icya kabiri, ibisabwa ku gihingwa cyo kuvanga Asfalt mugihe cyo gukoresha ni uko ibikoresho bigomba kuba byoroshye bishoboka hashingiwe ku mirimo yose isabwa, kandi ibikorwa rusange bigomba kugabanuka cyane bishoboka. Ibi birashobora kuzigama ibyinjijwe cyane mugihe cyo gukora no kuzigama ibiciro bihuye. Nubwo ari byoroshye, ntibisobanura ko ibintu byikoranabuhanga mu ruganda rwa Asfalt gikeneye kugabanuka.
Ibyavuzwe haruguru nibisabwa igihingwa cyo kuvanga Asfalt gikeneye guhura mugihe gikoreshwa, kuko niba buri bikoresho ushaka ko habaho ingaruka zayo zo kugera kubiteganijwe, ibikoresho ubwabyo bigomba kugira ibintu bihuye. Igomba kuba ibikoresho byujuje ibyangombwa kandi byoroshye kugirango imikorere myiza nubwiza bwakazi.