Amisiri amapereka zoyala labala la phula, ndi mapepala a polyurethane pamakina opera mumsewu.
Mapadi a rabala a asphalt paver amagawidwa m'mitundu iwiri: zophatikizika zamtundu wa rabala ndi zogawanika zamtundu wa rabala.Zopangira mphira zaluso zimapangidwa kuchokera ku mphira wachilengedwe wosakanikirana ndi mphira wamitundu yosiyanasiyana, zomwe zimabweretsa mphira yathu ya rabala zabwino zambiri monga kukana kuvala bwino, kusweka molimba, kukana kutentha kwambiri.