For many caravans, organizing walls for their awning or buying a full caravan annex typically means organizing a special tailor-made item. By adding walls, most caravans simply modified their roll out awnings into annexes. the traditional annexe with its own roof, walls, pegs, poles and ropes was largely a thing of the past. When most people talked about buying an annex, they really talked about installing walls under a roll out awning. For most people, the choice, came down to a choice between the types of walls: vinyl, canvas, or shade walls. CANVAS, VINYL OR SHADE When it comes to annexes and awnings, there is a long - standing debate as to whether the best material for the purpose is canvas, vinyl or shade walls. No matter what you chose, the annex or awning walls would need to be tailor - made because the size of Australian - made vans varied, as did the length, width and height that awnings were mounted.Vinyl was very popular but warned, "If you're