PVC Bathroom Shutter and Screen Roller Blind, Raheny, Dublin 5. This PVC bathroom shutter is the perfect solution for any bathroom window. Shutters allow you to let light in through the louvers without being exposed. You can also get a split tilt which is a free option. It enables you to have one part of the shutter open and another closed. Screen roller blinds are great for those with allergies. They also let you see what’s outside without people being able to see in