Drive screws into holes through to the shims. • Remove shipping blocks and related staples prior to installation. Here’s an overview of the steps covered in the video for how to install a new construction window: Put down the sill pan (FlexWrap is recommended if you can spare the extra cash). New construction windows are typically installed during the early stages of construction for a new home, or for a built-from-scratch addition to a home. Drive screws into holes through to the shims. Learn what it takes to install windows in block construction and the tools needed for this job. Check to make sure the window is operational, and then secure the window to the opening by driving nails into the brick mold or casing. Angle-cut the corners. A window or door is installed in concrete or masonry wall with wood buck. Slope the sill with siding. Unlike replacement windows, new construction windows need to be installed on the framing directly, with the use of a nail fin frame. Instead, cut a top tab that covers the window’s top flange after the window is installed. Clean the opening. Step 1. Close and lock the sash. Remove window sash: Before you can install a replacement window you must properly remove your existing window and prepare a surface for the new window. To estimate costs for your project: 1. Installing a new-construction window in a good wall will create more damage and work for you than installing a replacement window. When framing for a new window, you have three main options. (do not angle or over tighten the screws). When to Use Replacement Windows. In this video, This Old House general contractor Tom Silva explains how to install a window. Step 2. PVC windows; Door sealant; Long screws (6-8” / 15-20 cm) Polyurethane foam; Paper tape . Installing and Flashing Windows – Your DIY Guide Overview. Apply adhesive-backed waterproof membrane over the felt; cut the corners and fold the excess membrane over the rough sill. Set Project Zip Code Enter the Zip Code for the location where labor is … Follow the steps to install the new window. Measure your windows correctly: Download step-by-step measuring instructions for Viwinco’s new construction and replacement windows. For typical Wood FraMe construction: • These instructions were developed and tested for use with typical wood frame wall construction in a wall system designed to manage water, with a weather resistant barrier applied prior to the window installation. How to Install New Windows Placing a New Window. Unscrew the window from the jamb and remove it. Instructions. Push the window inside until the band of flashing around the window is flush to the framing around the window opening.