Tubular and Foam-Filled Gasket Weatherstripping
Generally, the only kind of weatherstripping that can be applied to metal windows is the pressure-sensitive type. Screws would go through the metal and impede movement of the window. To install, apply weatherstripping to top of upper sash (if it is movable) and to bottom of lower sash. These are usually the only spots where metal windows allow for air movement. If you find any other gaps, attach a vinyl tubular gasket to the area with a special adhesive formulated to hold vinyl to metal.
What You'll Need Here are the tools you'll want to have on hand to apply tubular and foam-filled gasket weatherstripping:
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Tubular gasket weatherstripping is made of extremely flexible vinyl. It is usually applied outside where it easily conforms to uneven places. Foam-filled tubular gasket weatherstripping includes a foam core in the tubular part of the gasket. The foam provides extra insulating qualities and extra strength. Both types should not be painted.
Tubular types of weatherstripping are unsightly. They are best used when installed on the outside of the window. If the window is easily accessible from outside the house, then tubular weatherstripping is worth considering. It can also be used to improve existing weatherstripping. Here's how to install tubular and foam-filled gasket weatherstripping:
Step 1: Begin by measuring strips and cutting them to size with scissors. Cutting all strips for window at one time will save you trips up and down ladder later on.Step 2: Position each strip carefully and drive nail into one end. Space nails every 2 to 3 inches, pulling weatherstripping tight before you drive each nail.
Most metal windows are grooved around the edges so the metal flanges will interlock and preclude the need for weatherstripping. Sometimes, though, gaps do exist, and you must apply weatherstripping in such instances.
On the next page, we'll discuss techniques for installing different types of weatherstripping onto doors and sliding windows.
