. The sliding roof of the pergola is made in three versions: PVC fabric (awning pergola); swivel lamellae, cambalkon quraşdırılması Cam Balkon Quraşdırılması, Cam Balkon Çatdırılması -... swivel - sliding lamellae. For additional protection from wind, snow and rain, you can buy vertical awnings or sliding or guillotine glazing. Differs in high wind resistance and aesthetic appeal.