1- Can I raise and lower the top with the windscreen remaining in place? Yes.

2- How does the windscreen mount? Onto the rear side of the  roll hoops, onto the mount points

3- How thick is the windscreen? It’s 3/32 of an inch on  bottom; 3/8 of an inch on top

4- Can the windscreen break? BackBlade is the only  windscreen constructed of lexan; consequently, this  windscreen is much stronger than traditional windscreens made of lesser materials.   While no windscreen is indestructible, it certainly is very durable.  You  should encounter no problems with regular care and operation.

5- Is the windscreen difficult to install? No.  One  screwdriver and two minutes of effort.