Iifestile ze-awning, ezixhomekeke phezulu kunye nokuvula ngaphantsi, zibonelela ngokuphuma komoya obalaseleyo kuyo nayiphi na imeko yemozulu. Uyilo lwabo lwesitayile se-casement luqinisekisa ukuhamba komoya okuphuculweyo, kubenza balungele onke amagumbi ekhayeni lakho kubandakanya igumbi lokuhlambela, indawo yokuhlamba impahla, kunye nekhitshi.