Install the top piece last miter-cutting the corners. Tack each strip at the ends to align it and stretch it flat against the jamb before nailing along its length. Some manufacturers provide a strip to fit behind the strike plate. You can also trim a piece to fit When all the strips have been installed, run an awl or a screwdriver along the outside edge to spring the metal spring into position. Now that we're ready to weatherstrip the windows, it is best to begin by discussing the different types of windows, in relation to the types of weatherstripping.
Manufacturers require different fastening techniques.
But the plastic V-types run a very close second. A double-hung window is probably the most complicated to weatherstrip. But once you've done one, you can handle the others easily. Application of V-seal or spring metal As with any weatherstripping job, begin by cleaning the surfaces well of dirt, grease, and loose paint. Measure from the base of the inner channel to 2 inches above the top rail of the upper sash.