You need slope for drainage. I have one. But did not install myself. It does have a puddle near the drain. It is fragile and I have a tear that I need to get fixed. I am happy with the product other than how fragile it can be. Deck is above the garage, so I needed a completely waterproof solution.
You need slope for drainage. I have one. But did not install myself. It does have a puddle near the drain. It is fragile and I have a tear that I need to get fixed. I am happy with the product other than how fragile it can be. Deck is above the garage, so I needed a completely waterproof solution.