Weatherproofing Your Windows

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Enjoy energy savings by weatherproofing your windows

Weatherproofing Your Windows

Windows can be the single largest source of energy loss in your home. This guide will teach you a few simple steps to eliminate drafts from the most common areas of a typical single- or double-hung window.

WHAT YOU NEED FOR THIS PROJECT

TOOLS

• Tack hammer
• Caulk gun
• Stapler

MATERIALS

• Weth-R-Strip
• Weatherstrip Tape
• Metal tension strips
• Reinforced Felt
• Tubular gasket
• Clear silicone caulk

1
Cut weth-r-strips to fit in the sash channels
Cut Weth-R-Strips fit sash channels - Weatherproofing Windows

• Cut the Weth-R-Strips long enough to extend at least 1 inch beyond the sash ends when the window is closed.
• Cut vinyl with scissors.

2
stick the vinyl in place
Remove adhesive backing stick vinyl place  - Weatherproofing Windows

• Flare out the open ends of the Weth-R-Strip with a putty knife to create a tight seal with the sash.
• Remove the adhesive backing and stick the vinyl in place.

3
Wipe down the underside of the sash
Wipe down underside sash - Weatherproofing Windows

Tip: The surface must be at least 50 degrees for self-adhesive strips to stick.

• Flare out the open ends of the Weth-R-Strip with a putty knife to create a tight seal with the sash.
• Remove the adhesive backing and stick the vinyl in place.

4
Seal the gap
Seal gap where top sash meets - Weatherproofing Windows

• For double-hung windows, raise the bottom sash completely to the top, and then lower the upper sash a couple of inches.
• This reveals the lower rail, which is normally hidden. 
• Seal with Weath-R-Strip weather stripping.
• If the top sash is stationary, tack tubular gasket to the outside of the lower sash so that it compresses slightly against the top sash when the window is locked shut.

5
Apply paintable caulk
Apply paintable caulk - Weatherproofing Windows

• Apply caulk around both the interior and exterior trim.
• Smooth with a gloved finger or wet knife.