1. arco Vinyl Octagon Window Installation Instructions TAFCO Vinyl Octagon Windows are designed to install as you Would install any vinyl window NEW CONSTRUCTION Useinstattation Fin or New Construction Fig 11 Step Prepare opening with 45 degree wood pieces at corners Make sure you have at least VA extra room over the size of your window Fig 2 Step 2 Drop window into opening Make sure ween slots are to the OUTSIDE and BOTTOM fig 3 Step 3 Secure window into opening with installation flange using pan head screws through pre drilled holes fig 1 Stepa Finish inside as desired REPLACEMENT Drill and fasten through sides of window for Replacement into an exisiting opening fig 4 Step 1 Prepare opening with 45 degree wood pieces at corners Make sure you have at least VA extra room over the size of your window Fig 2 Step 2 Drop window into opening Make sure weep slots are to the OUTSIDE and BOTTOM fig 3 Step 3 Secure window through the main frame on the side of the window with screws fig 4 Step 4 Finish inside as desired Taice Corporation