Hi,I have over 20 windows in my house and few doors; I would like to purchase your roller shutters. What should I do to order?I have never installed shutters and don't know how should I measure their dimmensions.I don't want to order too narrow or too short shutters.Please send me some instruction how should I measure my windows/door to match the shutters?Also, wouldyou send to me all hardware required to install shutters or I have to get something locally?Sincerely,Piotr Show More