We use cutting edge materials brought in from my background in marine grade cover making.
If your existing roof is quite old, chances are it is made from PVC. We do not generally reproduce the covers with PVC as there are now far superior materials suitable for the job. The most popular as described by our suppliers are:
It is one of the most versatile fabrics ideally suited across a whole range of military end uses. It provides endurance and rugged durability for equipment exposed to extreme conditions and is resistant to cuts, tears and scuffs. a Great fabric but not ideal for all Canvases
Is a superb marine cover fabric designed for long lasting colour, super high strengths, abrasion resistance, breathability, virtually no stretching or shrinkage over time, mildew and ultra violet resistant and very water repellent.
(Only for pick up cover)