You can do it by yourself. + S, }! w9 L* ]/ H# h9 E6 ^ $ h8 Z. N# N# b3 }they have a special tool to force in, just right beside the screen, or simply jsut buy a package with tool and screen.! y5 v0 @- S7 A L2 v
: d9 q$ |* o9 @2 Qjust be careful the size and the length, there are 2-3 different size, for patio door or for window.