Measurements Sq Ft. Location 16 mil Installed Cost Window Shield 271 ·Installation of Window Shield 16 Mil Security Film with attachment system for (33) window panels $5,179.00 Film Installed Cost: $5,179.00 Tax: $258.95 Attachment System: $3,012.00 Sub-Total: $8,449.95 Deposit Payment: $6,337.46 Balance Due Upon Completion: $2,112.49