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Caulking and Sealing

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House Exterior Painting | Start to Finish

What happens here

After repairs, apply exterior caulk to seal any gaps, cracks, or openings in the trim, around windows, doors, and where different materials meet. This prevents moisture intrusion and provides a smooth, seamless surface for painting. Use a caulk gun to apply a bead of caulk and smooth it with a finger or damp sponge. Allow caulk to fully cure according to manufacturer instructions before painting.

Tools and materials

  • Caulk Gun — Applying caulk
  • Exterior Acrylic Latex Caulk Big Stretch — Sealing gaps in trim and siding