Step 1: Wash with a strip applicator (Picture Window)

man scrubbing window with a strip applicator
Photo: Kenneth Chen
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Picture windows call for large tools. The long cloth head of a strip applicator soaks up a lot of soapy water and knocks dirt loose without scratching the glass. For a cleaning solution, Weingard uses just a squirt of dishwashing liquid in a bucket of warm water—the less suds, the better.
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    Tools List

    • Squeegee
      Squeegee
    • Strip applicator with cloth head
      Strip applicator
    • Chamois or lint-free rag
      Chamois, and a lint-free rag or two
      like a cloth diaper or old linen napkin
    • hacksaw
      Hacksaw
      to custom cut squeegee for multipane windows
    • utility knife
      Utility knife

    Shopping List

    1. Dishwashing liquid

    2. Super-fine (000) steel wool

    3. Mild abrasive cleaner, like Barkeeper's Friend

    4. 3-Star Barrier Glass Surface Protectant clear polymer coating

    5. Natural sponge (optional)